what is a database? : Sql dba

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how to convert numeric values to character strings? : Sql dba

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IN A TABLE HAVE ONE COLUMN PRIMARY KEY..IT WILL NOT ALLOWS NULL VALUES AND DUPLICATE VALUES..INSTEAD OF PRIMARY KEY WHY CANT WE USE UNIQUE AND NOT NULL.THESE TWO ALSO DOESNT ACCEPT NULL VALUES IN NOT NULL AND UNIQUE DOESNT ACCEPT DUPLICATE VALUES? SO WHAT IS THE DIFEERENCE BETWEEN(UNIQUE,NOT NULL) AND PRIMARY KEY??????

8 Answers   rsystems,

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Explain the two type of Cursors ?

8 Answers   Hi Caliber IT,

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how to see the oracle 9i/10g table in pc? or In my pc where the table is saved and how to see?

1 Answers  

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Explain table and field in sql?

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Is oracel sql developer written in java?

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how does a local variable is defined using t-sql? : Transact sql

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how would concatenate strings in mysql? : Sql dba

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What is sql used for?

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What is a trigger ?

11 Answers   Accenture, BirlaSoft,

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What is microsoft t sql?

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