how would you enter characters as hex numbers? : Sql dba

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what is an index? : Sql dba

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what are the differences between get and post methods in form submitting. Give the case where we can use get and we can use post methods? : Sql dba

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what is a composite key ? : Sql dba

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Define overloaded procedure?

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What are stored procedures in mysql?

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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 what is a field in a database and record in a database?

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How to avoid using cursors?

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what is the purpose of update command in oracle?

7 Answers   MBT,

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How to connect a sql*plus session to an oracle server?

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How can you create Cursor with parametres ?

3 Answers  

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