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        Mysql基礎教程 mysql進階

        MySQL語句的規范



        規范


        1.關鍵字與函數名稱全部大寫


        2.數據庫名稱、表名稱、字段名稱等全部小寫


        3.SQL語句必須以分隔符結尾(分號“;”和“\g”)


        4.SQL語句支持折行操作,只要不把單詞、標記或引號字符串分割為兩部分,可以在下一行繼續寫


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        5.數據庫名稱、表名稱、字段名稱等盡量不要使用MySQL的保留字,如果需要使用的時候需要使用反引號(``)將名稱括起來。


        1)\c不執行這個語句


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        2)DELIMITER改變默認分割符


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        3)DELIMITER改回分隔符


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        4)在登錄時用delimiter改變登陸分隔符


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        5)可以用鍵盤的上下鍵調用已寫的命令


        6)如何開啟每天的mysql數據日志,把命令輸出成文本文件用“\T”來表現


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        7)用“\t”來結束日志


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        8)查看寫入的日志


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