how to include comments in sql statements? : Sql dba

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If we declare constraints Unique and Not null on a single column then it will act as a Primary key, so what is the use of primary key??

3 Answers  

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How to display Row Number with Records in Oracle SQL Plus?

0 Answers   MCN Solutions,

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what are the advantages of cursors than procedures?

2 Answers  

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Why stored procedure is faster than query?

0 Answers  

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SELECT ROUND(TRUNC(MOD(1600,10),-1),2) FROM dual;

10 Answers  

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Which query operators in sql is used for pattern matching?

0 Answers  

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How much ram can sql express use?

0 Answers  

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what is global variable in package

3 Answers   Polaris,

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What are the commands used in sql?

0 Answers  

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what is bdb (berkeleydb)? : Sql dba

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What is the difference between partitioning and sharding?

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