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Devendra Kumar
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record not delete if id use another table in sql query
Jun 13 2016 5:59 AM
i friend how to prevents delete operation if one table id use another table
like i have one table city and there value ajmer, jaiupr, etc
and another table district and in this table use city id and when i will delete city then if city id use in district table that not delete else delete
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Getting Data from two tables
Difference between IN and EXISTS