大约有 46,000 项符合查询结果(耗时:0.0328秒) [XML]

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How to write a foreach in SQL Server?

... the lines of a for-each, where I would like to take the Ids of a returned select statement and use each of them. 10 Answer...
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Working with select using AngularJS's ng-options

...o work... note the ng-model="blah" which is saying "set $scope.blah to the selected value". Try this: <select ng-model="blah" ng-options="item.ID as item.Title for item in items"></select> Here's more from AngularJS's documentation (if you haven't seen it): for array data sources...
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When to use Common Table Expression (CTE)

...ing well? Can someone give me a simple example of limitations with regular select, derived or temp table queries to make the case of CTE? Any simple examples would be highly appreciated. ...
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How to disable text selection highlighting

...S standard way to disable the highlighting effect if the user accidentally selects the text? 48 Answers ...
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Get selected text from a drop-down list (select box) using jQuery

How can I get the selected text (not the selected value) from a drop-down list in jQuery? 34 Answers ...
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WHERE vs HAVING

Why do you need to place columns you create yourself (for example select 1 as "number" ) after HAVING and not WHERE in MySQL? ...
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Select first row in each GROUP BY group?

As the title suggests, I'd like to select the first row of each set of rows grouped with a GROUP BY . 17 Answers ...
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Simple way to calculate median with MySQL

... In MariaDB / MySQL: SELECT AVG(dd.val) as median_val FROM ( SELECT d.val, @rownum:=@rownum+1 as `row_number`, @total_rows:=@rownum FROM data d, (SELECT @rownum:=0) r WHERE d.val is NOT NULL -- put some where clause here ORDER BY d.val ) ...
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SQL Server 2008: How to query all databases sizes?

... with fs as ( select database_id, type, size * 8.0 / 1024 size from sys.master_files ) select name, (select sum(size) from fs where type = 0 and fs.database_id = db.database_id) DataFileSizeMB, (select sum(size) from fs wh...
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How to add extra info to copied web text

...cument.location.href}`; event.clipboardData.setData('text', document.getSelection() + pagelink); event.preventDefault(); }); Lorem ipsum dolor sit amet, consectetur adipiscing elit.<br/> <textarea name="textarea" rows="7" cols="50" placeholder="paste your copied text here"></...