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How to see the values of a table variable at debug time in T-SQL?

... DECLARE @v XML = (SELECT * FROM <tablename> FOR XML AUTO) Insert the above statement at the point where you want to view the table's contents. The table's contents will be rendered as XML in the locals window, or you can add @v to the...
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mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc… expects parameter 1 to

I am trying to select data from a MySQL table, but I get one of the following error messages: 31 Answers ...
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Which are more performant, CTE or temporary tables?

...(A INT IDENTITY PRIMARY KEY, B INT , F CHAR(8000) NULL); INSERT INTO T(B) SELECT TOP (1000000) 0 + CAST(NEWID() AS BINARY(4)) FROM master..spt_values v1, master..spt_values v2; Example 1 WITH CTE1 AS ( SELECT A, ABS(B) AS Abs_B, F FROM T ) SELECT * FROM CTE1 WHERE A = 780 ...
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Generate random int value from 3 to 6

... This generates a random number between 0-9 SELECT ABS(CHECKSUM(NEWID()) % 10) 1 through 6 SELECT ABS(CHECKSUM(NEWID()) % 6) + 1 3 through 6 SELECT ABS(CHECKSUM(NEWID()) % 4) + 3 Dynamic (Based on Eilert Hjelmeseths Comment) SELECT ABS(CHECKSUM(NEWID()) % (@ma...
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How to delete duplicate rows in SQL Server?

... are deleted (or updated), therefore just change the DELETE FROM CTE... to SELECT * FROM CTE: WITH CTE AS( SELECT [col1], [col2], [col3], [col4], [col5], [col6], [col7], RN = ROW_NUMBER()OVER(PARTITION BY col1 ORDER BY col1) FROM dbo.Table1 ) DELETE FROM CTE WHERE RN > 1 DEMO (re...
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How to import a jar in Eclipse

...o this folder all the jar files you need. Refresh your project in eclipse. Select all the jar files, then right click on one of them and select Build Path -> Add to Build Path share | improve th...
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How do I wrap a selection with an HTML tag in Visual Studio?

...Studio 2015 comes with a new shortcut, Shift+Alt+W, that wraps the current selection with a div. This shortcut leaves the text "div" selected, making it seamlessly changeable to any desired tag. This coupled with the automatic end tag replacement makes for a quick solution. UPDATE This shortcut is a...
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Can we have multiple “WITH AS” in single sql - Oracle SQL

... You can do this as: WITH abc AS( select FROM ...) , XYZ AS(select From abc ....) /*This one uses "abc" multiple times*/ Select From XYZ.... /*using abc, XYZ multiple times*/ ...
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With MySQL, how can I generate a column containing the record index in a table?

... You may want to try the following: SELECT l.position, l.username, l.score, @curRow := @curRow + 1 AS row_number FROM league_girl l JOIN (SELECT @curRow := 0) r; The JOIN (SELECT @curRow := 0) part allows the variable initiali...
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ng-options with simple array init

... You actually had it correct in your third attempt. <select ng-model="myselect" ng-options="o as o for o in options"></select> See a working example here: http://plnkr.co/edit/xEERH2zDQ5mPXt9qCl6k?p=preview The trick is that AngularJS writes the keys as numbers from...