Relational Database Rules and Concepts Quiz

Which SQL sublanguage is used to manage database access?

Which SQL sublanguage is used to roll back database changes?

Which format is used by the TIME data type in MySQL?

Which MySQL operator is the last in the order of operator precedence?

Which operator is used to compare columns from the left and right tables in MySQL?

Which type of join combines two tables without comparing columns?

Which type of join compares columns using only the = operator?

Which type of join is demonstrated by the following query? SELECT Dog.Nickname, Kennel.Address FROM Dog, Kennel WHERE Dog.KennelID = Kennel.ID

What is another name for a subquery?

Which operator is used to compare against a list of values when determining a match in a WHERE clause?

Which wildcard character is used to represent zero or more characters when searching for a specified pattern using a LIKE operator?

Which function is considered an aggregating function in SQL?

Which clause or function is used with aggregate functions to produce summary rows?

Which type of join returns only the matching values when selecting rows from two or more tables?

Which join type selects only matching left and right table rows?

Which phrase refers to the view in which data is persisted and is automatically changed as the underlying data is changed?

Which SQL command uses the correct syntax to update the salary of an employee in the Employee table?

What describes elements such as column name and data type?

Which term identifies an ordered collection of elements enclosed in parenthesis in a tablespace?

Which SQL command uses the correct syntax to select the name and salary columns from the Employee table where the salary is greater than 50000, and sort the results by salary in descending order?

Which INSERT statement demonstrates valid syntax in SQL?

Which UPDATE statement uses valid syntax in SQL?

Which statement is used to remove data from temporary tables?

Which keyword is a DDL (data definition language) keyword in SQL?

Which property is enforced by a primary key field?

Which property or function allows SQL to insert a field value?

Which property specifies an expression on one or more columns of a table?

Which type of key is a single column in a table used to identify a row?

Which type of key is often represented by parentheses to show multiple columns?

Which primary key characteristic means it includes information that is easy to type and store?

Which part of a junction table in a relational database establishes a many-to-many relationship between two tables?

Which type of relationship is established by a foreign key in a relational database?

Which statements may be rejected when a foreign key constraint is specified?

Which key describes the unique columns in a table that do not contain a primary key?

Which index stores column values and row pointers in a hierarchy?

Which type of index refers to entries that are assigned to buckets?

Which type of index is a grid of bits where each index row corresponds to a unique row in a table?

Which type of development activity is used to convert an entity-relationship model (ERM) into tables, columns, and keys?

Which term addresses columns of A being a subset of the columns of B, with A always depending on B?

Which term describes the process of denormalization?

A database designer is working with a table that has a primary key and no duplicate rows. What can be concluded about the table?

Which process eliminates redundancy by decomposing a table into two or more tables in a higher normal form?

Which term describes the optimal normal form for frequent inserts, updates, and deletes of data?

Which relationship is depicted in the following entity-relationship (ER) diagram?

Which relationship or association exists between a supertype entity and its subtype entities?

Which symbol is used in an entity-relationship (ER) diagram for an entity?

Which symbol is used in an entity-relationship (ER) diagram to indicate an attribute?

What must be done before creating supertype and subtype entities?

Which real-world object can be distinctly identified and grouped, such as all employees in a company?

Which item in an entity-relationship (ER) diagram follows the attribute name and is placed outside of parentheses?

Which strategy can be used to identify primary keys when investigating data relationships?

How should an entity relationship phrase be read to correctly understand how one entity relates to another entity in an entity-relationship diagram (ER diagram)?

%1 Relational Database Rules and Concepts Quiz %2%3 This set of practice questions is designed to test your understanding of the fundamental rules and concepts of relational databases. Each question is followed by a corresponding answer to help reinforce your learning. %4Q1: What characterizes the rules of relational databases?A1: They are logical constraints that ensure the data is valid.Q2: Which requirement within large, complex databases ensures users have limited access to the database?A2: AuthorizationQ3: Which design type specifies database requirements without regard to a specific database system?A3: Conceptual designQ4: Which event will result in an error code and error description when using MySQL Server?A4: When an SQL statement is syntactically incorrectQ5: Which data type should be used to store whole integer values, such as age?A5: INTQ6: Which text-based interface is included in the MySQL Server Download?A6: MySQL Command-Line ClientQ7: Which database system includes the World database during its installation?A7: MySQLQ8: What is the standardized language of relational database systems?A8: Structured Query LanguageQ9: Which SQL sublanguage is used to manage database access?A9: Data Control Language (DCL)Q10: Which SQL sublanguage is used to roll back database changes?A10: Data Transaction Language (DTL)Q11: Which format is used by the TIME data type in MySQL?A11: hh:mm:ssQ12: Which MySQL operator is the last in the order of operator precedence?A12: ORQ13: Which operator is used to compare columns from the left and right tables in MySQL?A13: =Q14: Which type of join combines two tables without comparing columns?A14: CROSSQ15: Which type of join compares columns using only the = operator?A15: EquijoinQ16: Which type of join is demonstrated by the following query? SELECT Dog.Nickname, Kennel.Address FROM Dog, Kennel WHERE Dog.KennelID = Kennel.IDA16: EQUIJOINQ17: What is another name for a subquery?A17: Nested queryQ18: Which operator is used to compare against a list of values when determining a match in a WHERE clause?A18: INQ19: Which wildcard character is used to represent zero or more characters when searching for a specified pattern using a LIKE operator?A19: %Q20: Which function is considered an aggregating function in SQL?A20: MINQ21: Which clause or function is used with aggregate functions to produce summary rows?A21: GROUP BYQ22: Which type of join returns only the matching values when selecting rows from two or more tables?A22: Inner JoinQ23: Which join type selects only matching left and right table rows?A23: Inner JoinQ24: Which phrase refers to the view in which data is persisted and is automatically changed as the underlying data is changed?A24: Materialized ViewQ25: Which SQL command uses the correct syntax to update the salary of an employee in the Employee table?A25: UPDATE Employee SET Salary = 50000 WHERE ID = 1;Q26: What describes elements such as column name and data type?A26: MetadataQ27: Which term identifies an ordered collection of elements enclosed in parenthesis in a tablespace?A27: TupleQ28: Which SQL command uses the correct syntax to select the name and salary columns from the Employee table where the salary is greater than 50000, and sort the results by salary in descending order?A28: SELECT name, salary FROM Employee WHERE salary > 50000 ORDER BY salary DESC;Q29: Which INSERT statement demonstrates valid syntax in SQL?A29: INSERT INTO table_name (column1, column2) VALUES (value1, value2);Q30: Which UPDATE statement uses valid syntax in SQL?A30: UPDATE table_name SET column1 = value1, column2 = value2 WHERE condition;Q31: Which statement is used to remove data from temporary tables?A31: TRUNCATEQ32: Which keyword is a DDL (data definition language) keyword in SQL?A32: CREATEQ33: Which property is enforced by a primary key field?A33: Not NullQ34: Which property or function allows SQL to insert a field value?A34: Auto-incrementQ35: Which property specifies an expression on one or more columns of a table?A35: CHECKQ36: Which type of key is a single column in a table used to identify a row?A36: Simple primary keyQ37: Which type of key is often represented by parentheses to show multiple columns?A37: CompositeQ38: Which primary key characteristic means it includes information that is easy to type and store?A38: SimpleQ39: Which part of a junction table in a relational database establishes a many-to-many relationship between two tables?A39: Foreign keyQ40: Which type of relationship is established by a foreign key in a relational database?A40: One-to-manyQ41: Which statements may be rejected when a foreign key constraint is specified?A41: INSERTQ42: Which key describes the unique columns in a table that do not contain a primary key?A42: Candidate keyQ43: Which index stores column values and row pointers in a hierarchy?A43: Multi-level indexQ44: Which type of index refers to entries that are assigned to buckets?A44: Hash indexQ45: Which type of index is a grid of bits where each index row corresponds to a unique row in a table?A45: Bitmap indexQ46: Which type of development activity is used to convert an entity-relationship model (ERM) into tables, columns, and keys?A46: Logical designQ47: Which term addresses columns of A being a subset of the columns of B, with A always depending on B?A47: Trivial dependencyQ48: Which term describes the process of denormalization?A48: Merging tablesQ49: A database designer is working with a table that has a primary key and no duplicate rows. What can be concluded about the table?A49: It is a first normal form table.Q50: Which process eliminates redundancy by decomposing a table into two or more tables in a higher normal form?A50: NormalizationQ51: Which term describes the optimal normal form for frequent inserts, updates, and deletes of data?A51: Boyce-Codd normal formQ52: Which relationship is depicted in the following entity-relationship (ER) diagram?A52: One-to-manyQ53: Which relationship or association exists between a supertype entity and its subtype entities?A53: IsA relationshipQ54: Which symbol is used in an entity-relationship (ER) diagram for an entity?A54: SquareQ55: Which symbol is used in an entity-relationship (ER) diagram to indicate an attribute?A55: CircleQ56: What must be done before creating supertype and subtype entities?A56: Identify entities.Q57: Which real-world object can be distinctly identified and grouped, such as all employees in a company?A57: EntityQ58: Which item in an entity-relationship (ER) diagram follows the attribute name and is placed outside of parentheses?A58: Attribute maximumQ59: Which strategy can be used to identify primary keys when investigating data relationships?A59: Unique identifier analysisQ60: How should an entity relationship phrase be read to correctly understand how one entity relates to another entity in an entity-relationship diagram (ER diagram)?A60: In the direction the relationship verb is facing

%1 Relational Database Rules and Concepts Quiz %2%3 This set of practice questions is designed to test your understanding of the fundamental rules and concepts of relational databases. Each question is followed by a corresponding answer to help reinforce your learning. %4Q1: What characterizes the rules of relational databases?A1: They are logical constraints that ensure the data is valid.Q2: Which requirement within large, complex databases ensures users have limited access to the database?A2: AuthorizationQ3: Which design type specifies database requirements without regard to a specific database system?A3: Conceptual designQ4: Which event will result in an error code and error description when using MySQL Server?A4: When an SQL statement is syntactically incorrectQ5: Which data type should be used to store whole integer values, such as age?A5: INTQ6: Which text-based interface is included in the MySQL Server Download?A6: MySQL Command-Line ClientQ7: Which database system includes the World database during its installation?A7: MySQLQ8: What is the standardized language of relational database systems?A8: Structured Query LanguageQ9: Which SQL sublanguage is used to manage database access?A9: Data Control Language (DCL)Q10: Which SQL sublanguage is used to roll back database changes?A10: Data Transaction Language (DTL)Q11: Which format is used by the TIME data type in MySQL?A11: hh:mm:ssQ12: Which MySQL operator is the last in the order of operator precedence?A12: ORQ13: Which operator is used to compare columns from the left and right tables in MySQL?A13: =Q14: Which type of join combines two tables without comparing columns?A14: CROSSQ15: Which type of join compares columns using only the = operator?A15: EquijoinQ16: Which type of join is demonstrated by the following query? SELECT Dog.Nickname, Kennel.Address FROM Dog, Kennel WHERE Dog.KennelID = Kennel.IDA16: EQUIJOINQ17: What is another name for a subquery?A17: Nested queryQ18: Which operator is used to compare against a list of values when determining a match in a WHERE clause?A18: INQ19: Which wildcard character is used to represent zero or more characters when searching for a specified pattern using a LIKE operator?A19: %Q20: Which function is considered an aggregating function in SQL?A20: MINQ21: Which clause or function is used with aggregate functions to produce summary rows?A21: GROUP BYQ22: Which type of join returns only the matching values when selecting rows from two or more tables?A22: Inner JoinQ23: Which join type selects only matching left and right table rows?A23: Inner JoinQ24: Which phrase refers to the view in which data is persisted and is automatically changed as the underlying data is changed?A24: Materialized ViewQ25: Which SQL command uses the correct syntax to update the salary of an employee in the Employee table?A25: UPDATE Employee SET Salary = 50000 WHERE ID = 1;Q26: What describes elements such as column name and data type?A26: MetadataQ27: Which term identifies an ordered collection of elements enclosed in parenthesis in a tablespace?A27: TupleQ28: Which SQL command uses the correct syntax to select the name and salary columns from the Employee table where the salary is greater than 50000, and sort the results by salary in descending order?A28: SELECT name, salary FROM Employee WHERE salary > 50000 ORDER BY salary DESC;Q29: Which INSERT statement demonstrates valid syntax in SQL?A29: INSERT INTO table_name (column1, column2) VALUES (value1, value2);Q30: Which UPDATE statement uses valid syntax in SQL?A30: UPDATE table_name SET column1 = value1, column2 = value2 WHERE condition;Q31: Which statement is used to remove data from temporary tables?A31: TRUNCATEQ32: Which keyword is a DDL (data definition language) keyword in SQL?A32: CREATEQ33: Which property is enforced by a primary key field?A33: Not NullQ34: Which property or function allows SQL to insert a field value?A34: Auto-incrementQ35: Which property specifies an expression on one or more columns of a table?A35: CHECKQ36: Which type of key is a single column in a table used to identify a row?A36: Simple primary keyQ37: Which type of key is often represented by parentheses to show multiple columns?A37: CompositeQ38: Which primary key characteristic means it includes information that is easy to type and store?A38: SimpleQ39: Which part of a junction table in a relational database establishes a many-to-many relationship between two tables?A39: Foreign keyQ40: Which type of relationship is established by a foreign key in a relational database?A40: One-to-manyQ41: Which statements may be rejected when a foreign key constraint is specified?A41: INSERTQ42: Which key describes the unique columns in a table that do not contain a primary key?A42: Candidate keyQ43: Which index stores column values and row pointers in a hierarchy?A43: Multi-level indexQ44: Which type of index refers to entries that are assigned to buckets?A44: Hash indexQ45: Which type of index is a grid of bits where each index row corresponds to a unique row in a table?A45: Bitmap indexQ46: Which type of development activity is used to convert an entity-relationship model (ERM) into tables, columns, and keys?A46: Logical designQ47: Which term addresses columns of A being a subset of the columns of B, with A always depending on B?A47: Trivial dependencyQ48: Which term describes the process of denormalization?A48: Merging tablesQ49: A database designer is working with a table that has a primary key and no duplicate rows. What can be concluded about the table?A49: It is a first normal form table.Q50: Which process eliminates redundancy by decomposing a table into two or more tables in a higher normal form?A50: NormalizationQ51: Which term describes the optimal normal form for frequent inserts, updates, and deletes of data?A51: Boyce-Codd normal formQ52: Which relationship is depicted in the following entity-relationship (ER) diagram?A52: One-to-manyQ53: Which relationship or association exists between a supertype entity and its subtype entities?A53: IsA relationshipQ54: Which symbol is used in an entity-relationship (ER) diagram for an entity?A54: SquareQ55: Which symbol is used in an entity-relationship (ER) diagram to indicate an attribute?A55: CircleQ56: What must be done before creating supertype and subtype entities?A56: Identify entities.Q57: Which real-world object can be distinctly identified and grouped, such as all employees in a company?A57: EntityQ58: Which item in an entity-relationship (ER) diagram follows the attribute name and is placed outside of parentheses?A58: Attribute maximumQ59: Which strategy can be used to identify primary keys when investigating data relationships?A59: Unique identifier analysisQ60: How should an entity relationship phrase be read to correctly understand how one entity relates to another entity in an entity-relationship diagram (ER diagram)?A60: In the direction the relationship verb is facing

%1 Relational Database Rules and Concepts Quiz %2%3 This set of practice questions is designed to test your understanding of the fundamental rules and concepts of relational databases. Each question is followed by a corresponding answer to help reinforce your learning. %4Q1: What characterizes the rules of relational databases?A1: They are logical constraints that ensure the data is valid.Q2: Which requirement within large, complex databases ensures users have limited access to the database?A2: AuthorizationQ3: Which design type specifies database requirements without regard to a specific database system?A3: Conceptual designQ4: Which event will result in an error code and error description when using MySQL Server?A4: When an SQL statement is syntactically incorrectQ5: Which data type should be used to store whole integer values, such as age?A5: INTQ6: Which text-based interface is included in the MySQL Server Download?A6: MySQL Command-Line ClientQ7: Which database system includes the World database during its installation?A7: MySQLQ8: What is the standardized language of relational database systems?A8: Structured Query LanguageQ9: Which SQL sublanguage is used to manage database access?A9: Data Control Language (DCL)Q10: Which SQL sublanguage is used to roll back database changes?A10: Data Transaction Language (DTL)Q11: Which format is used by the TIME data type in MySQL?A11: hh:mm:ssQ12: Which MySQL operator is the last in the order of operator precedence?A12: ORQ13: Which operator is used to compare columns from the left and right tables in MySQL?A13: =Q14: Which type of join combines two tables without comparing columns?A14: CROSSQ15: Which type of join compares columns using only the = operator?A15: EquijoinQ16: Which type of join is demonstrated by the following query? SELECT Dog.Nickname, Kennel.Address FROM Dog, Kennel WHERE Dog.KennelID = Kennel.IDA16: EQUIJOINQ17: What is another name for a subquery?A17: Nested queryQ18: Which operator is used to compare against a list of values when determining a match in a WHERE clause?A18: INQ19: Which wildcard character is used to represent zero or more characters when searching for a specified pattern using a LIKE operator?A19: %Q20: Which function is considered an aggregating function in SQL?A20: MINQ21: Which clause or function is used with aggregate functions to produce summary rows?A21: GROUP BYQ22: Which type of join returns only the matching values when selecting rows from two or more tables?A22: Inner JoinQ23: Which join type selects only matching left and right table rows?A23: Inner JoinQ24: Which phrase refers to the view in which data is persisted and is automatically changed as the underlying data is changed?A24: Materialized ViewQ25: Which SQL command uses the correct syntax to update the salary of an employee in the Employee table?A25: UPDATE Employee SET Salary = 50000 WHERE ID = 1;Q26: What describes elements such as column name and data type?A26: MetadataQ27: Which term identifies an ordered collection of elements enclosed in parenthesis in a tablespace?A27: TupleQ28: Which SQL command uses the correct syntax to select the name and salary columns from the Employee table where the salary is greater than 50000, and sort the results by salary in descending order?A28: SELECT name, salary FROM Employee WHERE salary > 50000 ORDER BY salary DESC;Q29: Which INSERT statement demonstrates valid syntax in SQL?A29: INSERT INTO table_name (column1, column2) VALUES (value1, value2);Q30: Which UPDATE statement uses valid syntax in SQL?A30: UPDATE table_name SET column1 = value1, column2 = value2 WHERE condition;Q31: Which statement is used to remove data from temporary tables?A31: TRUNCATEQ32: Which keyword is a DDL (data definition language) keyword in SQL?A32: CREATEQ33: Which property is enforced by a primary key field?A33: Not NullQ34: Which property or function allows SQL to insert a field value?A34: Auto-incrementQ35: Which property specifies an expression on one or more columns of a table?A35: CHECKQ36: Which type of key is a single column in a table used to identify a row?A36: Simple primary keyQ37: Which type of key is often represented by parentheses to show multiple columns?A37: CompositeQ38: Which primary key characteristic means it includes information that is easy to type and store?A38: SimpleQ39: Which part of a junction table in a relational database establishes a many-to-many relationship between two tables?A39: Foreign keyQ40: Which type of relationship is established by a foreign key in a relational database?A40: One-to-manyQ41: Which statements may be rejected when a foreign key constraint is specified?A41: INSERTQ42: Which key describes the unique columns in a table that do not contain a primary key?A42: Candidate keyQ43: Which index stores column values and row pointers in a hierarchy?A43: Multi-level indexQ44: Which type of index refers to entries that are assigned to buckets?A44: Hash indexQ45: Which type of index is a grid of bits where each index row corresponds to a unique row in a table?A45: Bitmap indexQ46: Which type of development activity is used to convert an entity-relationship model (ERM) into tables, columns, and keys?A46: Logical designQ47: Which term addresses columns of A being a subset of the columns of B, with A always depending on B?A47: Trivial dependencyQ48: Which term describes the process of denormalization?A48: Merging tablesQ49: A database designer is working with a table that has a primary key and no duplicate rows. What can be concluded about the table?A49: It is a first normal form table.Q50: Which process eliminates redundancy by decomposing a table into two or more tables in a higher normal form?A50: NormalizationQ51: Which term describes the optimal normal form for frequent inserts, updates, and deletes of data?A51: Boyce-Codd normal formQ52: Which relationship is depicted in the following entity-relationship (ER) diagram?A52: One-to-manyQ53: Which relationship or association exists between a supertype entity and its subtype entities?A53: IsA relationshipQ54: Which symbol is used in an entity-relationship (ER) diagram for an entity?A54: SquareQ55: Which symbol is used in an entity-relationship (ER) diagram to indicate an attribute?A55: CircleQ56: What must be done before creating supertype and subtype entities?A56: Identify entities.Q57: Which real-world object can be distinctly identified and grouped, such as all employees in a company?A57: EntityQ58: Which item in an entity-relationship (ER) diagram follows the attribute name and is placed outside of parentheses?A58: Attribute maximumQ59: Which strategy can be used to identify primary keys when investigating data relationships?A59: Unique identifier analysisQ60: How should an entity relationship phrase be read to correctly understand how one entity relates to another entity in an entity-relationship diagram (ER diagram)?A60: In the direction the relationship verb is facing

%1 Relational Database Rules and Concepts Quiz %2%3 This set of practice questions is designed to test your understanding of the fundamental rules and concepts of relational databases. Each question is followed by a corresponding answer to help reinforce your learning. %4Q1: What characterizes the rules of relational databases?A1: They are logical constraints that ensure the data is valid.Q2: Which requirement within large, complex databases ensures users have limited access to the database?A2: AuthorizationQ3: Which design type specifies database requirements without regard to a specific database system?A3: Conceptual designQ4: Which event will result in an error code and error description when using MySQL Server?A4: When an SQL statement is syntactically incorrectQ5: Which data type should be used to store whole integer values, such as age?A5: INTQ6: Which text-based interface is included in the MySQL Server Download?A6: MySQL Command-Line ClientQ7: Which database system includes the World database during its installation?A7: MySQLQ8: What is the standardized language of relational database systems?A8: Structured Query LanguageQ9: Which SQL sublanguage is used to manage database access?A9: Data Control Language (DCL)Q10: Which SQL sublanguage is used to roll back database changes?A10: Data Transaction Language (DTL)Q11: Which format is used by the TIME data type in MySQL?A11: hh:mm:ssQ12: Which MySQL operator is the last in the order of operator precedence?A12: ORQ13: Which operator is used to compare columns from the left and right tables in MySQL?A13: =Q14: Which type of join combines two tables without comparing columns?A14: CROSSQ15: Which type of join compares columns using only the = operator?A15: EquijoinQ16: Which type of join is demonstrated by the following query? SELECT Dog.Nickname, Kennel.Address FROM Dog, Kennel WHERE Dog.KennelID = Kennel.IDA16: EQUIJOINQ17: What is another name for a subquery?A17: Nested queryQ18: Which operator is used to compare against a list of values when determining a match in a WHERE clause?A18: INQ19: Which wildcard character is used to represent zero or more characters when searching for a specified pattern using a LIKE operator?A19: %Q20: Which function is considered an aggregating function in SQL?A20: MINQ21: Which clause or function is used with aggregate functions to produce summary rows?A21: GROUP BYQ22: Which type of join returns only the matching values when selecting rows from two or more tables?A22: Inner JoinQ23: Which join type selects only matching left and right table rows?A23: Inner JoinQ24: Which phrase refers to the view in which data is persisted and is automatically changed as the underlying data is changed?A24: Materialized ViewQ25: Which SQL command uses the correct syntax to update the salary of an employee in the Employee table?A25: UPDATE Employee SET Salary = 50000 WHERE ID = 1;Q26: What describes elements such as column name and data type?A26: MetadataQ27: Which term identifies an ordered collection of elements enclosed in parenthesis in a tablespace?A27: TupleQ28: Which SQL command uses the correct syntax to select the name and salary columns from the Employee table where the salary is greater than 50000, and sort the results by salary in descending order?A28: SELECT name, salary FROM Employee WHERE salary > 50000 ORDER BY salary DESC;Q29: Which INSERT statement demonstrates valid syntax in SQL?A29: INSERT INTO table_name (column1, column2) VALUES (value1, value2);Q30: Which UPDATE statement uses valid syntax in SQL?A30: UPDATE table_name SET column1 = value1, column2 = value2 WHERE condition;Q31: Which statement is used to remove data from temporary tables?A31: TRUNCATEQ32: Which keyword is a DDL (data definition language) keyword in SQL?A32: CREATEQ33: Which property is enforced by a primary key field?A33: Not NullQ34: Which property or function allows SQL to insert a field value?A34: Auto-incrementQ35: Which property specifies an expression on one or more columns of a table?A35: CHECKQ36: Which type of key is a single column in a table used to identify a row?A36: Simple primary keyQ37: Which type of key is often represented by parentheses to show multiple columns?A37: CompositeQ38: Which primary key characteristic means it includes information that is easy to type and store?A38: SimpleQ39: Which part of a junction table in a relational database establishes a many-to-many relationship between two tables?A39: Foreign keyQ40: Which type of relationship is established by a foreign key in a relational database?A40: One-to-manyQ41: Which statements may be rejected when a foreign key constraint is specified?A41: INSERTQ42: Which key describes the unique columns in a table that do not contain a primary key?A42: Candidate keyQ43: Which index stores column values and row pointers in a hierarchy?A43: Multi-level indexQ44: Which type of index refers to entries that are assigned to buckets?A44: Hash indexQ45: Which type of index is a grid of bits where each index row corresponds to a unique row in a table?A45: Bitmap indexQ46: Which type of development activity is used to convert an entity-relationship model (ERM) into tables, columns, and keys?A46: Logical designQ47: Which term addresses columns of A being a subset of the columns of B, with A always depending on B?A47: Trivial dependencyQ48: Which term describes the process of denormalization?A48: Merging tablesQ49: A database designer is working with a table that has a primary key and no duplicate rows. What can be concluded about the table?A49: It is a first normal form table.Q50: Which process eliminates redundancy by decomposing a table into two or more tables in a higher normal form?A50: NormalizationQ51: Which term describes the optimal normal form for frequent inserts, updates, and deletes of data?A51: Boyce-Codd normal formQ52: Which relationship is depicted in the following entity-relationship (ER) diagram?A52: One-to-manyQ53: Which relationship or association exists between a supertype entity and its subtype entities?A53: IsA relationshipQ54: Which symbol is used in an entity-relationship (ER) diagram for an entity?A54: SquareQ55: Which symbol is used in an entity-relationship (ER) diagram to indicate an attribute?A55: CircleQ56: What must be done before creating supertype and subtype entities?A56: Identify entities.Q57: Which real-world object can be distinctly identified and grouped, such as all employees in a company?A57: EntityQ58: Which item in an entity-relationship (ER) diagram follows the attribute name and is placed outside of parentheses?A58: Attribute maximumQ59: Which strategy can be used to identify primary keys when investigating data relationships?A59: Unique identifier analysisQ60: How should an entity relationship phrase be read to correctly understand how one entity relates to another entity in an entity-relationship diagram (ER diagram)?A60: In the direction the relationship verb is facing