what is not null constraint? : Sql dba
What is pivot in sql?
What is null in pl/sql?
If we have n no of columns in a table, can we add new column in that table with not null constraint?
How many joins in sql?
what is the difference between $message and $$message? : Sql dba
What is output spooling in sql*plus?
Can primary key be changed?
What is NOCOPY?
what is the difernece between named and anonymous pl/sql blocks??
Is sql open source?
How to get second highest salary from a table
does sql support programming? : Sql dba