What is difference between rank () row_number () and dense_rank () in sql?
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What are the different schemas objects that can be created using pl/sql?
How to pipe multiline string to isql?
What is procedure and function?
I have a Employee table with columns ename,eid,salary,deptno. How to retrieve sum of salary for each deptno?
Delete duplicate records in the emp table.
Describe types of sql statements?
If we update a complex view, is base table will get update ?
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difference between SQL and C
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What are sql queries used for?
How delete all data from table in sql?
How to fetch values from testtable1 that are not in testtable2 without using not keyword?
Why do we use triggers?