What is scalar function in sql?
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What is sqlca in db2?
What is #table in sql?
i have table T!. A B C D NULL 1 2 3 4 NULL 5 6 7 8 NULL 9 10 11 12 NULL. I WANT COUNT OF NULL VALUES IN TABLE. WRITE A QUERY.
Is truncate ddl or dml?
How to execute OS(operating system) command from pl/sql?
Is sql low level language?
Enlist the data types that can be used in pl/sql?
Is full outer join same as cross join?
Is it important to partition hard disk?
What is sql query optimization?
When would you denormalize?
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What are the basic techniques of indexing?