using subquery how can i calculate working days in a month?

3 Answers   Spice Telecom,

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How bulk collect improves performance?

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What is null in pl/sql?

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Can we relate two different tables from two different users in ORACLE,PL/SQL?

4 Answers  

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what are different types of keys in sql?

0 Answers  

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How do you assign Construct the where clause without concatenating Field,value pairs?

1 Answers   Microsoft,

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how to find the First and Last Observation from the table: Ex: OBS Name Sal Ans like: OBS Name Sal 105 E 5000--> 105 E 5000 102 B 2000 104 D 4000 103 C 3000 101 A 1000--> 104 D 4000

4 Answers  

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What is the use of procedures?

0 Answers  

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what is rdbms? : Sql dba

0 Answers  

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HOW TO ADD PRIMARY KEY TO TABLE BY PL/SQL PROGRAM

3 Answers  

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How can we optimize a sql query?

0 Answers  

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What is union and union all keyword in sql and what are their differences?

0 Answers  

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