CODEWITHSUNDEEP
sqlpostgresql
user3823859
user3823859

Reputation: 469

select from table using sql query

Table

   id | name       | type          |    x          | y           | z                | refer
 -----+------------+---------------+---------------+-------------+------------------+-----------------
 1001 | A          |          4    |               |             |                  |           0
 2000 | B          |          2    |   -1062731776 |             |           -65536 |        1001
 2001 | C          |          2    |     167772160 |             |        -16777216 |        1001
 2002 | D          |          2    |   -1408237568 |             |         -1048576 |        1001

I need to select columns name,x,y,z if in refer column it refers to id column and name must be of that id's name. Is it possible with a single query? can anyone please help here, output should be: 

name| x               |     y       | z
----+-----------------+-------------+-----------------
 A  |   -1062731776   |             |           -65536
 A  |     167772160   |             |        -16777216 
 A  |   -1408237568   |             |         -1048576

Upvotes: 0

Views: 51

Answers (1)

Andrey Davydenko
Andrey Davydenko

Reputation: 350

SELECT t1.name, t2.x, t2.y, t2.z FROM TABLENAME t1
JOIN TABLENAME t2 on t1.id = t2.refer

Upvotes: 1

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