Do we need to create index on primary key?
What are the benefits of pl sql?
i have doubt that any one tell ref cursor comes in sql pl/sql? pls clarify?
can i give user defined exception in a package
Is primary key an index?
What is difference between my sql and sql?
How to avoid using cursors? What to use instead of cursor and in what cases to do so?
Delete the emps whose salaries are lowest sals of their own dept.
In a package if we have 10 procedures or functions,How to know which will execute first?
how can we transpose a table using sql (changing rows to column or vice-versa) ? : Sql dba
How to get employee name from employee table which is the fiveth highest salary of the table
Explain the working of foreign key?
When should I use nosql database?