语句http://www.test.com/AA. php?id=1 and and( )=(select upper ( XMLType (chr ( ) || chr( )||chr( )||(select replace( ),chr( )) from sys.v_$version where rownum= 1 )||chr( ))) from dual)- 是测试mysql数据库的时候使用的一条语句。( )
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1.语句http://www.test.com/AA. php?
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2.语句http://www.test.com/AA. php?
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3.语句http://www.tset.cn/AA.php?
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4.下面语句用于创建一个_______对象?
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5.有:'1234'.join([chr(65), chr(32), chr(97)])[1:8:2]请问输出是
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6.有:'1234'.join([chr(65), chr(32), chr(97)])[1:8:2]请问输出是
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7.语句Print chr(65)的输出结果是()A.aB.AC.65D.chr(65)
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8.关于下面语句select zi from la_a where id=1;描述有误的是
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9.在Oracle中,执行下面的语句,返回值是()
select count(1),count(x),sum(x) from (select null x from dual union all select
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10.SELECT 1 AS id, 'John' AS first_name, NULL AS commission FROM DUAL
UNION
SELECT 1, 'John' ,NULL FROM