What is referential integrity in a relational database?
Which of the following operations can violate referential in…
Which of the following operations can violate referential integrity?
What is the role of NULL values in relational databases?
What is the role of NULL values in relational databases?
Which of the following SQL clauses is used to limit the numb…
Which of the following SQL clauses is used to limit the number of rows returned?
In MySQL, which of the following statements about NULL valu…
In MySQL, which of the following statements about NULL values is true?
What is the role of the INFORMATION_SCHEMA in a database cat…
What is the role of the INFORMATION_SCHEMA in a database catalog?
How did SQL standardization improve interoperability between…
How did SQL standardization improve interoperability between relational database management systems (RDBMSs)?
An entity can participate in multiple relationships in an ER…
An entity can participate in multiple relationships in an ER diagram.
Which of the following is an advantage of MySQL being open-s…
Which of the following is an advantage of MySQL being open-source?
Which type of attribute cannot be divided further?
Which type of attribute cannot be divided further?