摘要:
select from 表名 where name is null; delete from 表名 where name is null; 阅读全文
posted @ 2019-12-10 10:16
Abduhelel
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摘要:
DELETE FROM 表名 WHERE id IN ( SELECT FROM ( SELECT id FROM 表名 WHERE (name_add,address) IN ( SELECT name_add,address FROM 表名 GROUP BY name_add,address H 阅读全文
posted @ 2019-12-10 09:54
Abduhelel
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摘要:
SELECT FROM 表名 WHERE (name_add,address) IN ( SELECT name_add,address FROM 表名 GROUP BY name_add,address HAVING COUNT(1) 1); 阅读全文
posted @ 2019-12-10 09:53
Abduhelel
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摘要:
表2的数据导入表1 INSERT INTO 表1 (name_add, longitude, latitude, province, town, types, address, area, province_code, time_tamp, town_code, area_code, locatio 阅读全文
posted @ 2019-12-10 09:51
Abduhelel
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摘要:
INSERT into 表1 SELECT from 表2 阅读全文
posted @ 2019-12-10 09:49
Abduhelel
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摘要:
update 表名 set 列名 = 0 or 1 阅读全文
posted @ 2019-12-10 09:46
Abduhelel
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