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mysql> SELECT goods_id,goods_name FROM tdb_goods GROUP BY goods_name;

ERROR 1055 (42000): Expression #1 of SELECT list is not in GROUP BY clause and c

ontains nonaggregated column 'imooc.tdb_goods.goods_id' which is not functionall

y dependent on columns in GROUP BY clause; this is incompatible with sql_mode=on

ly_full_group_by

qq_慕丝5068290

2018-12-12

源自：与MySQL的零距离接触 5-14

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慕码人1374312
2018-12-15

SET sql_mode=(SELECT REPLACE(@@sql_mode,'ONLY_FULL_GROUP_BY',''));

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mysql> SELECT goods_id,goods_name FROM tdb_goods GROUP BY goods_name;

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mysql> SELECT goods_id,goods_name FROM tdb_goods GROUP BY goods_name;

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mysql> SELECT goods_id,goods_name FROM tdb_goods GROUP BY goods_name;