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Drop all tables whose names begin with a certain string

...n one in the database. DECLARE @cmd varchar(4000) DECLARE cmds CURSOR FOR SELECT 'drop table [' + Table_Name + ']' FROM INFORMATION_SCHEMA.TABLES WHERE Table_Name LIKE 'prefix%' OPEN cmds WHILE 1 = 1 BEGIN FETCH cmds INTO @cmd IF @@fetch_status != 0 BREAK EXEC(@cmd) END CLOSE cmds; DEA...
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Case insensitive searching in Oracle

...NLS_COMP and NLS_SORT session parameters: SQL> SET HEADING OFF SQL> SELECT * 2 FROM NLS_SESSION_PARAMETERS 3 WHERE PARAMETER IN ('NLS_COMP', 'NLS_SORT'); NLS_SORT BINARY NLS_COMP BINARY SQL> SQL> SELECT CASE WHEN 'abc'='ABC' THEN 1 ELSE 0 END AS GOT_MATCH 2 FROM DUAL; ...
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Find value in an array

... Using Array#select will give you an array of elements that meet the criteria. But if you're looking for a way of getting the element out of the array that meets your criteria, Enumerable#detect would be a better way to go: array = [1,2,...
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Get day of week in SQL Server 2005/2008

... Use DATENAME or DATEPART: SELECT DATENAME(dw,GETDATE()) -- Friday SELECT DATEPART(dw,GETDATE()) -- 6 share | improve this answer | ...
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Number of rows affected by an UPDATE in PL/SQL

... block, this can be achieved. ... If anyone has a solution to use it in a SELECT Command, I would be interested. share | improve this answer | follow | ...
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How to get the sizes of the tables of a MySQL database?

...he size of a table (although you need to substitute the variables first): SELECT table_name AS `Table`, round(((data_length + index_length) / 1024 / 1024), 2) `Size in MB` FROM information_schema.TABLES WHERE table_schema = "$DB_NAME" AND table_name = "$TABLE_NAME"; or this query ...
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Maximum number of characters using keystrokes A, Ctrl+A, Ctrl+C and Ctrl+V

...rate through for i up to n, doing two things: pressing A once and pressing select all + copy followed by paste j times (actually j-i-1 below; note the trick here: the contents are still in the clipboard, so we can paste it multiple times without copying each time). We only have to consider up to 4 c...
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How to use UIScrollView in Storyboard

... Here are the steps with Auto Layout that worked for me on XCode 8.2.1. Select Size Inspector of View Controller, and change Simulated Size to Freeform with height 1000 instead of Fixed. Rename the view of View Controller as RootView. Drag a Scroll View as subview of RootView and rename it as Scr...
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JOIN queries vs multiple queries

...han several queries? (You run your main query, and then you run many other SELECTs based on the results from your main query) ...
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Select second last element with css

I already know of :last-child. But is there a way to select the div: 2 Answers 2 ...