1. UPDATE table SET field = !field WHERE …
2. UPDATE table SET field = ABS(field-1) WHERE …
需要注意的是 filed 属性需要为 not null
avenger::Life()
Some Words. Explain My Life.
1. UPDATE table SET field = !field WHERE …
2. UPDATE table SET field = ABS(field-1) WHERE …
需要注意的是 filed 属性需要为 not null
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