What is the purpose of primary key?
Why is there a need for sqlcode and sqlerrm variables?
Does a join table need a primary key?
how to analyze tables with 'mysqlcheck'? : Sql dba
Where do we use pl sql?
How to get help at the sql prompt?
Why we use join in sql?
What are % type and % rowtype?
What is procedure function?
What is benefit of creating memory optimized table?
Explain unique key in sql.
What is the Query to print out the individual total number of duplicate row in sql.
what is the difernece between named and anonymous pl/sql blocks??