What are aggregate functions in sql?
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What is correlated sub-query?
What is trigger and types?
I have one table,in that table (1)i have java1.1 version books are 2 and java1.5 version books are 4. (2).Net2.0 books are 3, .Net3.5 books are 2 (3)ABC1.6 books are 4, ABC2.0 books are 3. Now i want output is like Book Count Java 6 .Net 5 ABC 7 For this i need sql query, please help me if anyone how to get this result. Thanks, Seenu
query to retrive the employees whose sal is greater than avg sal
What is sql performance tuning?
How to change the order of columns in Oracle SQL Plus ?
i have a table eno dno sal 1 10 200 2 10 150 3 10 100 4 20 75 5 20 100 i want to get sal which is less than the avg sal of thri dept. eno dno sal 2 10 150 3 10 100 4 20 75
How do I delete a trigger?
Is pl sql a scripting language?
Is null operator in sql?
How subquery works in sql?
how to retrieve the top 2 salaried persons from a database?