what is column? : Sql dba

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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.

14 Answers   iGate, Wipro,

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What is the difference between jpql and sql?

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What is difference between sql and mysql?

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How can you create Cursor with parametres ?

3 Answers  

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What are the types of queries in sql?

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What are the usage of SAVEPOINTS?

5 Answers  

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ERROR:Insert or update on table"accnt" violates foreign key constraints "acct_to_curr_symbol" DETAILS:KEY(accnt_curr_id)(-2)is not present in the table "curr_symbol" ......solve The Problem..

0 Answers   Wipro,

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What is sql injection owasp?

0 Answers  

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How do I count rows in sql?

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Can you rollback after commit?

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What is application trigger?

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