How write primary and foreign key relationship between two tables without using constraints? u can use any of procedure/function/trigger and any sql?

1 Answers   Parexel,

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What are the different types of a subquery?

0 Answers  

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How to recompile a already made trigger?

2 Answers  

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there is A table and B table in A table there 5 rows and in b table there are 2 rows i am firing query select * from a,b what will be the output?

7 Answers   Cognizant,

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Write a query to genarate target column.Please answer me. Advance Thanks. Src Tgt Q10 Quarter to 2010 Q90 Quarter to 1990 Q80 Quarter to 1980 Q74 Quarter to 1974

5 Answers   Infosys,

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I want to display the employees who have joined in last two months. (It should be executed randomly means If I execute the query in March it should display Jan and Feb joined employees. Same query if i execute in Feb, 2007 it should display dec, 2006 and jan 2007 joined employees.

15 Answers   Wipro,

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What is a procedure in pl sql?

0 Answers  

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Is primary key an index?

0 Answers  

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How many types of cursors are available in pl/sql?

0 Answers  

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What is a self join ?

6 Answers   BirlaSoft,

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Does postgresql run on the cloud?

0 Answers  

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What is cold data?

0 Answers  

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