大约有 44,000 项符合查询结果(耗时:0.0275秒) [XML]

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What's the difference between RANK() and DENSE_RANK() functions in oracle?

...s a simple test script you can play with to see what happens: with q as ( select 10 deptno, 'rrr' empname, 10000.00 sal from dual union all select 11, 'nnn', 20000.00 from dual union all select 11, 'mmm', 5000.00 from dual union all select 12, 'kkk', 30000 from dual union all select 10, 'fff', 4000...
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Javascript/jQuery: Set Values (Selection) in a multiple Select

I have a multiple select: 8 Answers 8 ...
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how to use ng-option to set default value of select element

I've seen the documentation of the Angular select directive here: http://docs.angularjs.org/api/ng.directive:select . I can't figure how to set the default value. This is confusing: ...
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Get selected value of a dropdown's item using jQuery

How can I get the selected value of a dropdown box using jQuery? I tried using 30 Answers ...
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MySQL SELECT only not null values

Is it possible to do a select statement that takes only NOT NULL values? 9 Answers 9 ...
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Why are Where and Select outperforming just Select?

... Select iterates once over the entire set and, for each item, performs a conditional branch (checking for validity) and a + operation. Where+Select creates an iterator that skips invalid elements (doesn't yield them), perform...
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Using union and order by clause in mysql

...criteria from a table based on distance for a search on my site. The first select query returns data related to the exact place search . The 2nd select query returns data related to distance within 5 kms from the place searched. The 3rd select query returns data related to distance within 5-15 kms f...
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How do you use the “WITH” clause in MySQL?

...s mentioned, you provided a poor example - there's no need to perform a subselect if you aren't altering the output of the columns in any way: SELECT * FROM ARTICLE t JOIN USERINFO ui ON ui.user_userid = t.article_ownerid JOIN CATEGORY c ON c.catid = t.article_categoryid WHERE t....
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How to declare variable and use it in the same Oracle SQL script?

...; exec :name := 'SALES' PL/SQL procedure successfully completed. SQL> select * from dept 2 where dname = :name 3 / DEPTNO DNAME LOC ---------- -------------- ------------- 30 SALES CHICAGO SQL> A VAR is particularly useful when we want to call a stored...
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Selecting text in an element (akin to highlighting with your mouse)

I would like to have users click a link, then it selects the HTML text in another element ( not an input). 16 Answers ...