What is sql profiler in oracle?
Can we use more than one null value for unique key?
31 Answers A1 Technology, Wipro,
what are the nonstandard string types? : Sql dba
If the application is running very slow? At what points you need to go about the database in order to improve the performance?
what is subquery? : Sql dba
What is varchar example?
what is a foreign key ? : Sql dba
Why do we use set serveroutput on?
Is it possible to Restore a Dropped Table using Rollback Command in Oracle SQL Plus ?
What is a join query?
How will you delete a particular row from a Table?
What are the advantages of indexing?
How do you modify a column in sql?