what are the advantages of primary key over unique+notnull

7 Answers   Consultancy, LGS, Oracle,

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what is datawarehouse? : Sql dba

0 Answers  

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What is foreign key in sql with example?

0 Answers  

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How to sort the rows in sql.

0 Answers  

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How can we optimize a sql query?

0 Answers  

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column A column b | output 10 7 | 10 5 8 | 8 7 -9 | 7 3 5 | 5 0 6 | 6 Write a sql query to print such output.

4 Answers  

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take one table is t1 and in that column name is f1 f1 column values are 200 5000 3000 7000 300 600 100 400 800 400 i want display the values asc and desc in a single output. sample output is f1.a 100 200 300 400 500 600 etc...... and f1.d is 5000 4000 3000 2000 1000 etc...

9 Answers   Zensar,

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what is an index? : Sql dba

0 Answers  

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Are stored procedures faster than queries?

0 Answers  

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Write a sql select query that only returns each name only once from a table?

0 Answers  

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What is before trigger?

0 Answers  

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What does stand for in sql?

0 Answers  

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