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help to make sql query [message #647239]

Sun, 24 January 2016 02:17

deepak416
Messages: 63
Registered: January 2013
Location: Pune

Member

i have a table employee and manager table like below.

EmpId--Name--ManagerId
----------------------
1----- Deep----2 (Employee Id 2 is the manger of employee Deep)
2------Ram-----2
3------Shym----2
4-----Sum------3 (Employee Id 3 is the manger of employee Sum)

I want a result like...

Name------ManagerName
----------------------
Deep------Ram
Ram-------Ram
Shym------Ram
Sum------Shym

when i using below query is showing annoying results. Can you please help.
SELECT name as EmployeeName,(select name from employeerec where `mid`=`empid`) as managerName FROM `employeerec`

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Re: help to make sql query [message #647240 is a reply to message #647239]

Sun, 24 January 2016 02:26

John Watson
Messages: 9002
Registered: January 2010
Location: Global Village

Senior Member

You have been asked (many times) to follow forum etiquette.

Please read our OraFAQ Forum Guide and How to use [code] tags and make your code easier to read

In the mean time, you may want to research the meaning of the term "scalar query", and consider the difference between a literal and a column name.

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Re: help to make sql query [message #647244 is a reply to message #647239]

Sun, 24 January 2016 03:15

pablolee
Messages: 2882
Registered: May 2007
Location: Scotland

Senior Member

deepak416 wrote on Sun, 24 January 2016 08:17

when i using below query is showing annoying results

Strange, when I click on your username and click to view all messages, I also get annoying results.

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Re: help to make sql query [message #647255 is a reply to message #647239]

Sun, 24 January 2016 07:54

Solomon Yakobson
Messages: 3310
Registered: January 2010
Location: Connecticut, USA

Senior Member

Meditate over name resolution in your query. A hint - what table non-qualified column name will be resolved if column with such name exists in multiple tables.

SY.

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