This page covers Agniveer (All) Database Basics (SQL) with complete concept notes, 15 graded practice MCQs, key points and exam-specific tips. Free to study.
15graded MCQs · easy to hard · full solution & trap analysis
Which SQL command is used to retrieve data from a database table?
What does SQL stand for?
Which SQL keyword is used to add new records to a table?
What is the primary key in a database table?
Which SQL command is used to modify existing data in a table?
What does a WHERE clause do in an SQL query?
What does PRIMARY KEY constraint ensure in a database table?
Which SQL keyword is used to filter records based on specific conditions?
What is the purpose of the FOREIGN KEY constraint in SQL?
Which SQL command is used to add new records into a table?
What does the SQL JOIN operation do?
Which SQL clause is used to sort the result set in ascending or descending order?
Which SQL command is used to add a new record into an existing table in a database?
What is the primary purpose of using the WHERE clause in an SQL SELECT statement?