How does a self join work?
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What is an ndf file?
what are all the different normalizations? : Sql dba
How subquery works in sql?
trans_id trans_date trans_amt debit_credit_indicator 001 01-JAN-13 1099 cr 001 12-JAN-13 500 db 002 24-FEB-13 400 db 002 23-MAR-13 345 cr 001 18-APR-13 800 cr 002 15-MAR-13 600 db 001 12-FEB-13 200 cr i want like this output trans_id trans_date trans_amt debit_credit_indicator 001 JAN 1599 cr no.of trans 2 i want trans_id and trans_date like 'JAN' or 'FEB' etc, trans_amt i want all credit amount - debit amount per each trans_id. and debit_credit_indicator and no.of transactions in a month.
What is the first action to perform a query? Suppose I have four tables and five joins and my query is getting slow day by day.
What are different types of functions in sql?
how to check myisam tables for errors? : Sql dba
tell us something about heap tables. : Sql dba
What is pl/sql language case sensitive?
Is pl sql different from sql?
what is global temporary tables and how use that tables in pl/sql packages
What is procedure and function in sql?
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