What are packages in pl sql and also explain its advantages?
Can sql developer connect to db2?
Can unique keys be null?
What is the difference between alter trigger and drop trigger statements?
What is mutating error in pl sql?
What is data control language?
what is the difference between where clause and having clause? : Sql dba
Use The Implicit cursor to Query The Department table information Where Deptno is 30.check,if no record was found then print "Record Was Not Found".Else Print Deptname And Ename.Dept table Have Dname Varchar2(20),Deptno Number,EnameVarchar2(20).Please Answer In 2 mins,with in Maximum 15 lines.
will function return more than one value how
What has stored procedures in sql?
How to call DDL statements from pl/sql?
What is a mutating table and a constraining table?
What are user defined functions?