Answer / sethuraja

constraints are set of conditions which is ensure the field
data satisfy the conditions

Answer / sravanthi

Constaints are used to limit the data that can go into
table.

Basically, conditions are kept on columns in the table so
that data will insert based on those conditions.

Answer / prabhu

It is used to limit the data that going in to the table.

Answer / guest

the way of accessing data by doing some rules

Answer / yaseen

to maintain the data .

wt is mean by acid property? i know it is atomocity,consistency,isolation and durabulaty but wt is these mean and wt actions it's perform

1 Answers   Idea,

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0 Answers  

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what is the out put of below queries? a. select * from Emp where null = null; b. select * from Emp where 1=1;

13 Answers   Patni,

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Why is there a performance difference between two similar queries where one uses union and the other uses union all?

0 Answers  

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Do you know what are the reporting services components?

0 Answers  

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What happens if time-only values are provided as date and time literals?

0 Answers  

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0 Answers  

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What is a database table?

0 Answers  

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List few advantages of stored procedure.

0 Answers  

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What is extended stored procedures?

0 Answers  

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1 Answers  

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How do I create an extended event in sql server?

0 Answers  

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