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                SQL關鍵詞語大寫(SELECT,INSERT,UPDATE,ALTER,DELETE,CREATE,TABLE,INDEX,COUNT,MAX,MIN,FROM,WHERE,AS,LEFT JOIN,RIGHT JOIN,ON,AND,ORDER BY,DESC,ASC,GROUP BY,LIMIT等等),按照邏輯分行,比如SELECT/INSERT/UPDATE/DELETE在一行,FROM在一行,LEFT JOIN …ON/RIGHT JOIN…ON在一行,WHERE在一行,ORDER BY在一行,GROUP BY在一行,LIMIT在一行。WHERE條件里面多個條件請使用括號來區分優先級。 數據表名稱請使用名詞單數形式,一律使用英文小寫字母。如果需要對名稱作描述/分類,請在名詞前/后加描述/分類關鍵詞語,使用下劃線間隔。 例如: SELECT field1 AS something, field2, field3 FROM table a, table b WHERE (this=that) AND (this2=that2)
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