大约有 40,000 项符合查询结果(耗时:0.0212秒) [XML]

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Create a date from day month and year with T-SQL

...are @Year Integer Set @Year = 2006 -- ------------------------------------ Select DateAdd(day, @DayOfMonth - 1, DateAdd(month, @Month - 1, DateAdd(Year, @Year-1900, 0))) It works as well, has added benefit of not doing any string conversions, so it's pure arithmetic proce...
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How to see indexes for a database or table in MySQL?

...pecific schema you can use the STATISTICS table from INFORMATION_SCHEMA: SELECT DISTINCT TABLE_NAME, INDEX_NAME FROM INFORMATION_SCHEMA.STATISTICS WHERE TABLE_SCHEMA = 'your_schema'; Removing the where clause will show you all indexes in all schemas. ...
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Where can I get Google developer key

...velopers Console interface was overhauled again. For the new interface: Select your project from the toolbar. Open the "Gallery" using hamburger menu icon on the left side of the toolbar and select 'API Manager'. Click 'Credentials' in the left-hand navigation. Alternatively, you can click 'Sw...
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How to drop all user tables?

... BEGIN FOR cur_rec IN (SELECT object_name, object_type FROM user_objects WHERE object_type IN ('TABLE', 'VIEW', 'MATERIAL...
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Finding duplicate values in MySQL

... Do a SELECT with a GROUP BY clause. Let's say name is the column you want to find duplicates in: SELECT name, COUNT(*) c FROM table GROUP BY name HAVING c > 1; This will return a result with the name value in the first colum...
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Sql Server string to date conversion

...what you're looking for. It wont be hard to adapt: Declare @d datetime select @d = getdate() select @d as OriginalDate, convert(varchar,@d,100) as ConvertedDate, 100 as FormatValue, 'mon dd yyyy hh:miAM (or PM)' as OutputFormat union all select @d,convert(varchar,@d,101),101,'mm/dd/yy' union al...
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LINQ: Select an object and change some properties without creating a new object

.... But here is the expanded LINQ expression example. var query = someList.Select(x => { x.SomeProp = "foo"; return x; }) What this does is use an anonymous method vs and expression. This allows you to use several statements in one lambda. So you can combine the two operations of setting the ...
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How to get value of selected radio button?

I want to get the selected value from a group of radio buttons. 28 Answers 28 ...
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How do you determine what SQL Tables have an identity column programmatically

...ct to change, version to version) is to use the INFORMATION_SCHEMA views: select COLUMN_NAME, TABLE_NAME from INFORMATION_SCHEMA.COLUMNS where COLUMNPROPERTY(object_id(TABLE_SCHEMA+'.'+TABLE_NAME), COLUMN_NAME, 'IsIdentity') = 1 order by TABLE_NAME ...
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using href links inside tag

... <select name="forma" onchange="location = this.value;"> <option value="Home.php">Home</option> <option value="Contact.php">Contact</option> <option value="Sitemap.php">Sitemap</option>...