In a distributed database system, can we execute two queries simultaneously?

0 Answers  

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What is an emotional trigger?

0 Answers  

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Write one update command to update seqno field of a table on the basis of row number.

4 Answers   HCL,

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Which constraints we can use while creating database in sql?

0 Answers  

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Write a query to find the name of employees those who have joined on Monday.(based on column hire_date)

15 Answers   Satyam,

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what are numeric data types? : Sql dba

0 Answers  

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what is a relationship and what are they? : Sql dba

0 Answers  

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Is stored procedure faster than query?

0 Answers  

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Why is pl sql needed?

0 Answers  

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i have a table like this. i want to output like this c1 c2 c1 c2 1 10 1 10 2 20 2 30 3 30 3 60 4 40 4 100 5 5 5 105 c1 and c2 are columns in a table .i want output like this c2 values are 10,10+20,10+20+30,10+20+30+40.10+20+30+40+5. write a sql query.pls help this i want urgent.

2 Answers   IBM, Loginworks, OFSS,

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

0 Answers  

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Hi, Can anybody please explain me the flow of the below query. I am not able to understand how this query works. This query is for finding the Nth highest salary.. SELECT DISTINCT (a.sal) FROM EMP A WHERE &N = (SELECT COUNT (DISTINCT (b.sal)) FROM EMP B WHERE a.sal<=b.sal); If N = 2 then second highest salary will be the o/p. If N = 3 then third highest salary will be the o/p. and so on.. Thanks, Nitin

5 Answers   Deloitte, Ness Technologies,

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