counting the no.of characters occurs in a string by using pl/sql function

1 Answers   TCS,

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What is the difference between drop and truncate commands?

0 Answers  

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What is optimistic concurrency control? : Transact sql

0 Answers  

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What are the 3 modes of parameter?

0 Answers  

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How to call a javascript function from pl sql?

0 Answers  

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What does a pl/sql package consist of?

0 Answers  

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Can you join views in sql?

0 Answers  

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What are the various levels of constraints?

0 Answers  

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How do I run a program in pl sql?

0 Answers  

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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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Types of locks in database ?

8 Answers   HCL, TCS, Tieto,

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what is 'force view'?

3 Answers   Cap Gemini, SPIC,

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