How to select data from a key value pair table

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Table A

id,parentID, key, value
1, 2, name, name1
2, 2, age, 20
3, 2, place, place1

50, 7, name, namex
51, 7, age, 20
52, 7, place, place1
........
101, 5, name, namez
102, 5, age, 23
103, 5, place, place2

I need to get all the date having plave = place1 and age = 20 in the bellow format

parentid, name, age, place
2, name1, 20, place1
7, namex, 20, place1

How to write the Mysql SQL query please help me

4 Answers
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