What is user defined functions?
1. how to use the check option constraints in sql query..? 2.how to add data in a complex query ? 3.is it possible to use commit or rollback or savepoint in triggers...if not why please explain with examples...? 4.what is the difference between meterialized view and normal view..how to create materialized view and how to use it..? 5.what is varray...? what is the advantage of the varray ? please expalin with a simpel example..i want to load into a table (student no and name and his marks..) please give example.. 6.what are the bulk bind exceptions...how to use bulk bind and how to use bulk collect..please explain with example... 7.what is for update of and where current of ...? 8 what is the use of nowait ? 9.please give an example for nocopy in a simple plsql query 10.create an index in a table...tellme how to use the index in a where clause to do performance tunning...
Do we need to create index on primary key?
What is sql partition function?
what is the difference between delete and truncate commands? : Sql dba
There are 5 records in a table and we have implemented two triggers that are :pre_query and post_query how many times these triggers will fire.
how to get a list of all tables in a database? : Sql dba
How do I create a sql script?
How to recompile a already made trigger?
How to use boolean type in select statement?
What is the best strategy to use COMMIT in a pl/sql loop?
Can we create table in function?
How to improve the performance of a pl/sq stored procedures or functions or triggers and packages ?
12 Answers IBM, TCS, UHD,