大约有 40,000 项符合查询结果(耗时:0.0243秒) [XML]

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Split function equivalent in T-SQL?

...AR(2048) = 'Mike/John/Miko/Matt'; DECLARE CaracString NVARCHAR(1) = '/'; SELECT * FROM dbo.FnSplitString (VarString, CaracString) – fernando yevenes Feb 8 '19 at 15:57 ad...
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Getting only Month and Year from SQL DATE

...o 'discard' the Days, Hours, etc - Leaving a year/month only date field SELECT DATEADD(MONTH, DATEDIFF(MONTH, 0, <dateField>), 0) AS [year_month_date_field] FROM <your_table> This gets the number of whole months from a base date (0) and then adds them to that base date. Thus ...
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Clear Text Selection with JavaScript

... if (window.getSelection) { if (window.getSelection().empty) { // Chrome window.getSelection().empty(); } else if (window.getSelection().removeAllRanges) { // Firefox window.getSelection().removeAllRanges(); } } else if (doc...
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How to have a default option in Angular.js select box

... You can simply use ng-init like this <select ng-init="somethingHere = options[0]" ng-model="somethingHere" ng-options="option.name for option in options"> </select> ...
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Fastest way to determine if record exists

... SELECT TOP 1 products.id FROM products WHERE products.id = ?; will outperform all of your suggestions as it will terminate execution after it finds the first record. ...
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MySQL INNER JOIN select only one row from second table

...have multiple associated payments in the payments table. I would like to select all users who have payments, but only select their latest payment. I'm trying this SQL but i've never tried nested SQL statements before so I want to know what i'm doing wrong. Appreciate the help ...
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MySQL “NOT IN” query

... To use IN, you must have a set, use this syntax instead: SELECT * FROM Table1 WHERE Table1.principal NOT IN (SELECT principal FROM table2) share | improve this answer | ...
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Select top 10 records for each category

... If you are using SQL 2005 you can do something like this... SELECT rs.Field1,rs.Field2 FROM ( SELECT Field1,Field2, Rank() over (Partition BY Section ORDER BY RankCriteria DESC ) AS Rank FROM table ) rs WHERE Rank <= 10 If y...
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How to get sp_executesql result into a variable?

... DECLARE @ParmDefinition nvarchar(500); DECLARE @tablename nvarchar(50) SELECT @tablename = N'products' SELECT @sSQL = N'SELECT @retvalOUT = MAX(ID) FROM ' + @tablename; SET @ParmDefinition = N'@retvalOUT int OUTPUT'; EXEC sp_executesql @sSQL, @ParmDefinition, @retvalOUT=@retval OUTPUT; SE...
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Datatype for storing ip address in SQL Server

...VARCHAR(15)) RETURNS BINARY(4) AS BEGIN DECLARE @bin AS BINARY(4) SELECT @bin = CAST( CAST( PARSENAME( @ip, 4 ) AS INTEGER) AS BINARY(1)) + CAST( CAST( PARSENAME( @ip, 3 ) AS INTEGER) AS BINARY(1)) + CAST( CAST( PARSENAME( @ip, 2 ) AS INTEGER) AS BINARY(1)) ...