What does select * from mean in sql?

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How many null values can be inserted in a coulmn whihc is unique constraint

8 Answers   Flextronics,

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Which command is used to call a stored procedure?

0 Answers  

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i have a table t1 a math 20 b phy 30 cchemisty 10 a math 40 b phy 23 c che 21 a math15 bphy 33 c che 56 write a quire to find out the max markr of each subject

8 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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there are .......different types of serializability

1 Answers   Wipro,

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Will truncate release space?

0 Answers  

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how to install mysql? : Sql dba

0 Answers  

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How do I audit the sql sent to the server?

0 Answers  

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Explain the update statement in sql

0 Answers  

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how to do backup entire database? : Transact sql

0 Answers  

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What are conditional predicates?

0 Answers  

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