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How to get first and last day of previous month (with timestamp) in SQL Server

... select DATEADD(MONTH, DATEDIFF(MONTH, 0, GETDATE())-1, 0) --First day of previous month select DATEADD(MONTH, DATEDIFF(MONTH, -1, GETDATE())-1, -1) --Last Day of previous month ...
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How to do INSERT into a table records extracted from another table

...UES", no parenthesis: INSERT INTO Table2(LongIntColumn2, CurrencyColumn2) SELECT LongIntColumn1, Avg(CurrencyColumn) as CurrencyColumn1 FROM Table1 GROUP BY LongIntColumn1; share | improve this an...
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How to use GROUP_CONCAT in a CONCAT in MySQL

... select id, group_concat(`Name` separator ',') as `ColumnName` from ( select id, concat(`Name`, ':', group_concat(`Value` separator ',')) as `Name` from mytbl group by id, `Name` ) tbl group by id; ...
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Linq Syntax - Selecting multiple columns

... .Where(x => x.EMAIL == givenInfo || x.USER_NAME == givenInfo) .Select(x => new { x.EMAIL, x.ID }); AFAIK, the declarative LINQ syntax is converted to a method call chain similar to this when it is compiled. UPDATE If you want the entire object, then you just have to omit the call ...
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How to automatically select all text on focus in WPF TextBox?

If I call SelectAll from a GotFocus event handler, it doesn't work with the mouse - the selection disappears as soon as mouse is released. ...
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Cannot truncate table because it is being referenced by a FOREIGN KEY constraint?

... IF OBJECT_ID('tempdb..#FKs') IS NOT NULL DROP TABLE #FKs -- GET FKs SELECT ROW_NUMBER() OVER (ORDER BY OBJECT_NAME(parent_object_id), clm1.name) as ID, OBJECT_NAME(constraint_object_id) as ConstraintName, OBJECT_NAME(parent_object_id) as TableName, clm1.name as ColumnName...
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How to remove leading and trailing whitespace in a MySQL field?

...d the use case before using this solution: trim does not work while doing select query This works select replace(name , ' ','') from test; While this doesn't select trim(name) from test; share | ...
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How to implement LIMIT with SQL Server?

...05, you can do this... USE AdventureWorks; GO WITH OrderedOrders AS ( SELECT SalesOrderID, OrderDate, ROW_NUMBER() OVER (ORDER BY OrderDate) AS 'RowNumber' FROM Sales.SalesOrderHeader ) SELECT * FROM OrderedOrders WHERE RowNumber BETWEEN 10 AND 20; or something like this for 2000 ...
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How to avoid the “divide by zero” error in SQL?

...rder to avoid a "Division by zero" error we have programmed it like this: Select Case when divisor=0 then null Else dividend / divisor End ,,, But here is a much nicer way of doing it: Select dividend / NULLIF(divisor, 0) ... Now the only problem is to remember the NullIf bit, if I use the "/"...
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Allow user to select camera or gallery for image

... How to launch a single Intent to select images from either the Gallery or the Camera, or any application registered to browse the filesystem. Rather than creating a Dialog with a list of Intent options, it is much better to use Intent.createChooser in order...