Podcast
Questions and Answers
What is the purpose of the INSERT statement in SQL?
What is the purpose of the INSERT statement in SQL?
- To remove rows from a table
- To insert data into a table (correct)
- To grant access privileges to a database user
- To update the values of a column in a table
When using DML commands in SQL, what does the COMMIT command do?
When using DML commands in SQL, what does the COMMIT command do?
- Save all the transactions to the database (correct)
- Revoke permissions from users
- Undo transactions that have not been saved
- Update the values of columns
Which SQL command is used to remove rows from a table?
Which SQL command is used to remove rows from a table?
- REVOKE
- UPDATE
- DELETE (correct)
- SELECT
What is the purpose of the DCL command 'Revoke' in SQL?
What is the purpose of the DCL command 'Revoke' in SQL?
In SQL, what type of commands can be controlled by TCL commands?
In SQL, what type of commands can be controlled by TCL commands?
What is the purpose of the SAVEPOINT command in SQL?
What is the purpose of the SAVEPOINT command in SQL?
'Grant' and 'Revoke' are examples of commands in which category of SQL commands?
'Grant' and 'Revoke' are examples of commands in which category of SQL commands?
'SELECT' command in SQL is used for which purpose?
'SELECT' command in SQL is used for which purpose?
'Rollback' command in SQL is used for what purpose?
'Rollback' command in SQL is used for what purpose?
What does an entity represent in a database management system?
What does an entity represent in a database management system?
How are attributes typically represented in an ER diagram?
How are attributes typically represented in an ER diagram?
In an ER diagram, how are relationships between entities depicted?
In an ER diagram, how are relationships between entities depicted?
What is the primary function of a primary key in an ER diagram?
What is the primary function of a primary key in an ER diagram?
How does an ER diagram help in database management?
How does an ER diagram help in database management?
Which symbol is typically used to represent an attribute in an ER diagram?
Which symbol is typically used to represent an attribute in an ER diagram?
What is the main purpose of an ER diagram in database design?
What is the main purpose of an ER diagram in database design?
Which component of an ER Diagram represents a real-world object or concept?
Which component of an ER Diagram represents a real-world object or concept?
What does a Primary Key serve as in an ER diagram?
What does a Primary Key serve as in an ER diagram?
In an ER diagram, how are relationships between entities usually depicted?
In an ER diagram, how are relationships between entities usually depicted?
