What is the function of a cursor in PL/SQL?
A cursor is a pointer used to retrieve multiple rows of data from a SQL query.
Which PL/SQL block is used to handle exceptions?
PL/SQL allows handling runtime errors through the EXCEPTION block.
Which SQL clause is used to filter results based on specific conditions?
The WHERE clause is used in SQL queries to filter records based on given conditions.
What is the purpose of a trigger in PL/SQL?
A trigger automatically executes a specified action when certain events occur in a database.
Which command is used to exit from SQL*Plus?
The EXIT command is used to terminate the SQL*Plus session.
What is the use of the SQL IN operator?
The IN operator is used to filter the result set to only include values that are present in a list.
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What is the difference between a LEFT JOIN and a RIGHT JOIN in SQL?
A LEFT JOIN returns all records from the left table and the matching records from the right table. A RIGHT JOIN returns all records from the right table and the matching records from the left table.
What is a sequence in SQL?
A sequence is a database object that generates a unique number, often used for auto-incrementing primary keys.
What does the PL/SQL keyword 'EXCEPTION' handle?
The EXCEPTION section of a PL/SQL block is used to handle errors that occur during the execution of a block.