What are sql commands?
Why is there a need for sqlcode and sqlerrm variables?
What is record in pl sql?
What is magic table?
Can we use ddl statements in stored procedure?
Define a temp table?
what is self join and why is it required? : Sql dba
What makes a good primary key?
What are types of indexes in sql?
What is a boolean in sql?
Why is theta join required?
What is the basic structure of PL/SQL ?
what are the nonstandard string types? : Sql dba