What is pl sql block in dbms?
What is the purpose of a sql?
How insert into statements in sql?
Main diff between varray and nested tablea
How many LONG columns are allowed in a table?
Where not exists in sql?
how to use 'mysql' to run sql statements? : Sql dba
Explain some predefined exceptions.
what are null values? : Sql dba
What is rank function in sql?
What problem one might face while writing log information to a data-base table in pl/sql?
what is the difference between nested subquery and correlated subquery?
What are reports usually used for?