大约有 40,000 项符合查询结果(耗时:0.0521秒) [XML]

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Are Stored Procedures more efficient, in general, than inline statements on modern RDBMS's? [duplica

...d procedures are always faster. So, since they're always faster, use them ALL THE TIME . 20 Answers ...
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Push origin master error on new repository

... not mention the "git commit -m 'first commit'" command. Once I used that, all was fine! – Pascal Lindelauf Sep 1 '09 at 13:55 3 ...
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How to return only the Date from a SQL Server DateTime datatype

...art using your method too. Thankyou @aku – Jim Birchall Sep 24 '08 at 8:25 38 @pilavdzice Settin...
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Return Boolean Value on SQL Select Statement

... What you have there will return no row at all if the user doesn't exist. Here's what you need: SELECT CASE WHEN EXISTS ( SELECT * FROM [User] WHERE UserID = 20070022 ) THEN CAST(1 AS BIT) ELSE CAST(0 AS BIT) END ...
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Why should casting be avoided? [closed]

I generally avoid casting types as much as possible since I am under the impression that it's poor coding practice and may incur a performance penalty. ...
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What are the most common SQL anti-patterns? [closed]

All of us who work with relational databases have learned (or are learning) that SQL is different. Eliciting the desired results, and doing so efficiently, involves a tedious process partly characterized by learning unfamiliar paradigms, and finding out that some of our most familiar programming p...
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How do you connect to multiple MySQL databases on a single webpage?

I have information spread out across a few databases and want to put all the information onto one webpage using PHP. I was wondering how I can connect to multiple databases on a single PHP webpage. ...
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How may I reference the script tag that loaded the currently-executing script?

...synchronous scripts (defer & async) Works with scripts inserted dynamically Problems Will not work in older browsers and IE. Does not work with modules <script type="module"> 2. Select script by id Giving the script an id attribute will let you easily select it by id from within usi...
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Significant new inventions in computing since 1980

... +1 for the most obvious but also the most easily forgotten because we all take it for granted :) – PolyThinker Jan 11 '09 at 15:22 20 ...
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Error on renaming database in SQL Server 2008 R2

... is WITH ROLLBACK IMMEDIATE necessary. If I don't use it at all, will it cause problems? – user13892 Sep 6 '19 at 17:53 1 ...