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Insert Update trigger how to determine if insert or update

... track "before" and "after" data. So you can use something like IF EXISTS (SELECT * FROM DELETED) to detect an update. You only have rows in DELETED on update, but there are always rows in INSERTED. Look for "inserted" in CREATE TRIGGER. Edit, 23 Nov 2011 After comment, this answer is only for INSER...
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How to report an error from a SQL Server user-defined function

... For an inline-table-valued-function where the RETURN is a simple select, this alone doesn't work because nothing is returned - not even null, and in my case I wanted to throw an error when nothing was found. I didn't want to break down the inline function into a multi-statment one for obv...
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Drop all the tables, stored procedures, triggers, constraints and all the dependencies in one sql st

...stem stored procs */ DECLARE @name VARCHAR(128) DECLARE @SQL VARCHAR(254) SELECT @name = (SELECT TOP 1 [name] FROM sysobjects WHERE [type] = 'P' AND category = 0 ORDER BY [name]) WHILE @name is not null BEGIN SELECT @SQL = 'DROP PROCEDURE [dbo].[' + RTRIM(@name) +']' EXEC (@SQL) PRINT ...
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Counting Chars in EditText Changed Listener

...t: This is the index of where the new text will be inserted. If a range is selected, then it is the beginning index of the range. count: This is the length of selected text that is going to be replaced. If nothing is selected then count will be 0. after: this is the length of the text to be inserted...
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Select SQL Server database size

... Try this one - Query: SELECT database_name = DB_NAME(database_id) , log_size_mb = CAST(SUM(CASE WHEN type_desc = 'LOG' THEN size END) * 8. / 1024 AS DECIMAL(8,2)) , row_size_mb = CAST(SUM(CASE WHEN type_desc = 'ROWS' THEN size END) ...
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Hidden Features of MySQL

...that has an integer type, you can also refer to the column as "_rowid" in SELECT statements. In MySQL, the name of a PRIMARY KEY is PRIMARY Currently, only InnoDB (v5.1?) tables support foreign keys. Usually, you create all the indexes you need when you are creating tables. Any column declared...
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Replace duplicate spaces with a single space in T-SQL

... Even tidier: select string = replace(replace(replace(' select single spaces',' ','<>'),'><',''),'<>',' ') Output: select single spaces ...
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How can I split and trim a string into parts all on one line?

... Try List<string> parts = line.Split(';').Select(p => p.Trim()).ToList(); FYI, the Foreach method takes an Action (takes T and returns void) for parameter, and your lambda return a string as string.Trim return a string Foreach extension method is meant to modif...
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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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Export database schema into SQL file

...ht click the database you want to generate scripts for (not the table) and select tasks - generate scripts Next, select the requested table/tables, views, stored procedures, etc (from select specific database objects) Click advanced - select the types of data to script Click Next and finish MSDN...