What is server name sql?

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Can we insert data in view?

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In a Distributed Database System Can we execute two queries simultaneously ? Justify ?

3 Answers  

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What is spool?

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What is the difference between UNIQUE CONSTRAINT and PRIMARY KEY? 1. There is no difference. 2. A PRIMARY KEY cannot be declared on multiple columns. 3. A UNIQUE CONSTRAINT cannot be declared on multiple columns. 4. A table can have multiple PRIMARY KEYS but only one UNIQUE CONSTRAINT. 5. A table can have multiple UNIQUE CONSTRAINTs but only one PRIMARY KEY.

7 Answers   Satyam,

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If I have a table T with 4 rows & 2 columns A & B. A has values 1,2,3,4. and B has 10,20,30,40. Write an Update SQL query which can Swap the values of A & B for all records. (Do not use a sub-query)

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what are string data types? : Sql dba

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Mention what problem one might face while writing log information to a data-base table in pl/sql?

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What is difference between cursor and ref cursor?

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What is difference between stored function and application function?

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How to return more than one value from a function?

11 Answers   Satyam,

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why sql is used as interpreter frequently rather than a compile?

1 Answers  

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