MySQL数据库基本命令十三

[[{"txt": "MySQL\u6570\u636e\u5e93\u4e2d\u7684\u89c6\u56fe\u7684\u521b\u5efa\u3001\u67e5\u770b\u3002"}, {"img": ["https://exp-picture.cdn.bcebos.com/2e223d85e036e2914a389d55b2723d03baea5b65.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}], [{"txt": ["\u5de5\u5177/\u539f\u6599"]}, {"txt": "\u7535\u8111"}, {"txt": "MySQL\u6570\u636e\u5e93\u73af\u5883"}], [{"txt": ["\u65b9\u6cd5/\u6b65\u9aa4"]}, {"txt": "\u521b\u5efa\u89c6\u56fe\u4e00\uff1acreate view \u89c6\u56fe\u540d as select * from \u8868\u540d1\uff0c\u8868\u540d2\uff1b"}, {"img": ["https://exp-picture.cdn.bcebos.com/22c4fe36e29147e83d3097c7b603bbea3f865865.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u521b\u5efa\u89c6\u56fe\u4e8c\uff1acreate view \u89c6\u56fe\u540d as select * from \u8868\u540d1 where \u6761\u4ef6\uff1b"}, {"img": ["https://exp-picture.cdn.bcebos.com/e177fc9147e833e036a293b630ea3e8631485965.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u521b\u5efa\u89c6\u56fe\u4e09\uff1acreate view \u89c6\u56fe\u540d\uff08\u5b57\u6bb51\uff0c\u5b57\u6bb52\uff09 as select \u5b57\u6bb51\uff0c\u5b57\u6bb52 from \u8868\u540d1\uff0c\u8868\u540d2 \u00a0where \u6761\u4ef6\uff1b\uff08\u518d\u591a\u4e2a\u8868\u4e0a\u5efa\u7acb\u89c6\u56fe\uff09"}, {"img": ["https://exp-picture.cdn.bcebos.com/e3d059e833e039722dd3155fb586304860435665.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u521b\u5efa\u89c6\u56fe\u56db\uff1acreate view \u89c6\u56fe\u540d\uff08\u5b57\u6bb51\uff0c\u5b57\u6bb52\uff09 as select \u5b57\u6bb51\uff0c\u8868\u8fbe\u5f0f \u00a0 from \u8868\u540d\uff1b\uff08\u5e26\u8868\u8fbe\u5f0f\u521b\u5efa\u89c6\u56fe\uff09"}, {"img": ["https://exp-picture.cdn.bcebos.com/46a92de039723d03aa3a9033bb486143d6d45765.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u67e5\u770b\u89c6\u56fe\u4e00\uff1aselect * from \u89c6\u56fe\u540d\uff1b"}, {"img": ["https://exp-picture.cdn.bcebos.com/32a127723d03bbea2c569efdea43d7d449315465.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}, {"txt": "\u67e5\u770b\u89c6\u56fe\u4e8c\uff1ashow create view \u89c6\u56fe\u540d\uff1b"}, {"img": ["https://exp-picture.cdn.bcebos.com/38332303bbea3e862398cff65cd4483105eb5565.m2m?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_500%2Climit_1"]}], [{"txt": ["\u6ce8\u610f\u4e8b\u9879"]}, {"txt": "\u521b\u5efa\u8868\u8be6\u60c5\u5728MySQL\u6570\u636e\u5e93\u57fa\u672c\u547d\u4ee4\u4e09\u4e2d"}]]