如何理解法无授权不可为

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select * from tbl_Articles WHERE ArticleID=357121 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=357121 LIMIT 0,1
select * from tbl_Articles_sphinx where id=357121 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1050395,344737,1080235,471656,193468,1541510,635945,1528187,259518,1500032,1468177,1086095,1064271,1045085,2673893,238677,266967,1497734,115486,740318,320202,1466146,318098,1420007,524275,153288,1098967,685212,147074,371678) ORDER BY field (ArticleID,1050395,344737,1080235,471656,193468,1541510,635945,1528187,259518,1500032,1468177,1086095,1064271,1045085,2673893,238677,266967,1497734,115486,740318,320202,1466146,318098,1420007,524275,153288,1098967,685212,147074,371678)