代碼錯誤在哪
mysql>?ALTER?TALBE?tb1?MODIFY?age?UNSIGNED?NOT?NULL 我的表有age這個列,而且屬性只有tinyint,輸入上一句后提示錯誤1064;check?the manual?that?corresponds?to?you?MySQL?server?version?for?the?right?syntax?to?use?near?"not?null"; 這怎么解決,求
mysql>?ALTER?TALBE?tb1?MODIFY?age?UNSIGNED?NOT?NULL 我的表有age這個列,而且屬性只有tinyint,輸入上一句后提示錯誤1064;check?the manual?that?corresponds?to?you?MySQL?server?version?for?the?right?syntax?to?use?near?"not?null"; 這怎么解決,求
2017-02-13
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2017-02-13
還沒指定數據類型吧,加上再試試呢