大约有 40,000 项符合查询结果(耗时:0.0362秒) [XML]

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How to write UPDATE SQL with Table alias in SQL Server 2008?

... Mark Byers - Great Answer!! This syntax allows me to add a commented out Select statement, which allows me to test the update by doing the select first (highlight from the select down and execute): SET Q.TITLE = 'TEST' -- SELECT * – user1636464 Aug 30 '12 at ...
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Oracle PL/SQL - How to create a simple array variable?

... INDEX BY PLS_INTEGER; employee_array employee_arraytype; BEGIN SELECT * BULK COLLECT INTO employee_array FROM employee WHERE department = 10; -- FOR i IN employee_array.FIRST .. employee_array.LAST LOOP -- Do something END LOOP; END; The associative arra...
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Max return value if empty query

...oeSize = Workers.Where(x => x.CompanyId == 8) .Select(x => x.ShoeSize) .DefaultIfEmpty(0) .Max(); The zero in DefaultIfEmpty is not necessary. ...
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How to select all instances of a variable and edit variable name in Sublime

If I select a variable (not just any string) in my code, all other instances of that variable get a stroke (white outline) around them: ...
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How do I set the selected item in a comboBox to match my string using C#?

..." and my comboBox contains test1 , test2 , and test3 . How do I set the selected item to "test1"? That is, how do I match my string to one of the comboBox items? ...
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What is Func, how and when is it used

...ied to any particular functionality. For example, consider the Enumerable.Select extension method. The pattern is: for every item in a sequence, select some value from that item (e.g., a property) and create a new sequence consisting of these values. The placeholder is: some selector function tha...
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configure: error: C compiler cannot create executables

...'ve installed Xcode 4.3.x, you need to launch it, go into its preferences, select the Downloads tab, and click "Install" next to the Command Line Tools package. share | improve this answer ...
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How do I temporarily disable triggers in PostgreSQL?

...ct = 'disable'; else act = 'enable'; end if; for r in select c.relname from pg_namespace n join pg_class c on c.relnamespace = n.oid and c.relhastriggers = true where n.nspname = nsp loop execute format('alter table %I %s trigger all', r.relname, act)...
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Oracle “(+)” Operator

...dize OUTER joins. The query would be re-written in ANSI-92 syntax as: SELECT ... FROM a LEFT JOIN b ON b.id = a.id This link is pretty good at explaining the difference between JOINs. It should also be noted that even though the (+) works, Oracle recommends not using it: Oracle re...
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How do I get my solution in Visual Studio back online in TFS?

...t-click on the solution name right at the top of the Solution Explorer and select the Go Online option. Clicking this allowed me to select the files that had been changed when I was offline and make the solution online again. After finding the solution, I found the following msdn forum thread which...