sqlite更新
sqlite更新字段
UPDATE tab1
SET field1 = field1 || '-',
field2 = field2 + 1
WHERE ID < 10
或
UPDATE tab1 SET (field1, field2) = (field1 || '-', field2 + 1) WHERE ID < 10
表关联更新
UPDATE tab1 SET field1 = (SELECT tab2.field3 FROM tab2 WHERE tab2.FID = tab1.ID), WHERE EXISTS (SELECT * FROM tab2 WHERE tab2.FID = tab1.ID)
或
UPDATE tab1 SET (field1, field2) = (SELECT tab2.field3, tab2.field4 FROM tab2 WHERE tab2.FID = tab1.ID) WHERE EXISTS (SELECT * FROM tab2 WHERE tab2.FID = tab1.ID)
原文地址：https://blog.csdn.net/qtvb1987/article/details/143672307
免责声明：本站文章内容转载自网络资源，如本站内容侵犯了原著者的合法权益，可联系本站删除。更多内容请关注自学内容网（zxcms.com）！