[Mysql] SQL statement group query encountered error: this is incompatible with sql_mode = only_full_group_by, compatibility solving
tags: Database related SQL statement mysql database java
This problem occurs above Mysql5.7 because the default SQL configuration is: SQL_MODE = "Only_Full_Group_by".
If it is developed directly on 5.7, it is recommended to use the Any_Value () function.
select
t.category_no, any_value(t.game_name)
from
t_game t
group
t.category_no
Change configuration method
- First method, temporary, restart failure
set @@GLOBAL.sql_mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
- The second method, modify the configuration file, permanent
Open my.cnf Profile
Add this paragraph below [MySQLD] and [MySQL]
sql_mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
Restart the database service
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