What are types of exception?
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Why is there a need for sqlcode and sqlerrm variables?
Why do we use joins in sql?
Write a pl/sql script to display the following series of numbers: 99,96,93……9,6,3?
What are aggregate and scalar functions?
Is a foreign key always unique?
What is set serveroutput on?
How many types of literals are available in pl sql?
What is a design view?
What is the criteria while applying index to any column on any table.
Why we use triggers in mysql?
How do you copy a table in sql?
What are field types?
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