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How do I alter the position of a column in a PostgreSQL database table?

... tablename (column defs go here); insert into tablename (col1, col2, col3) select col1, col2, col3 from oldtable; share | improve this answer | follow | ...
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Add 2 hours to current time in MySQL?

... SELECT * FROM courses WHERE DATE_ADD(NOW(), INTERVAL 2 HOUR) > start_time See Date and Time Functions for other date/time manipulation. share ...
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Undo VS 'Exclude from project'?

...alled "Show All Files". To see this button, make sure that your project is selected in the solution explorer. Show All Files When this option is active, the file should be there, just grayed out. Right click it, and select "Include In Project". Include In Project ...
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How to map calculated properties with JPA and Hibernate

...e float finalPrice; Or even complex queries on other tables: @Formula("(select min(o.creation_date) from Orders o where o.customer_id = id)") private Date firstOrderDate; Where id is the id of the current entity. The following blog post is worth the read: Hibernate Derived Properties - Perform...
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Android Studio says “cannot resolve symbol” but project compiles

...y only thought so far: right click the jar file in file tree within AS and select "Add as library..." EDIT: You can do "File" -> "Invalidate Caches...", and select "Invalidate and Restart" option to fix this. EDIT 2: This fix should work for all similar incidents and is not a twitter4j specific...
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Multi-statement Table Valued Function vs Inline Table Valued Function

...statement table valued function (MSTVF) even if they both simply execute a SELECT statement. SQL Server will treat an ITVF somewhat like a VIEW in that it will calculate an execution plan using the latest statistics on the tables in question. A MSTVF is equivalent to stuffing the entire contents of ...
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Where is svn.exe in my machine?

... program is installed. In the installer, the command line tools need to be selected for this: (If you have already installed TortoiseSVN, then rerun the installer and select "Modify") share | impr...
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LINQ to SQL: Multiple joins ON multiple Columns. Is this possible?

... from child in context.Childs where child.Parent.col2 == 4 select new { childCol1 = child.col1, parentCol1 = child.Parent.col1, }; will generate the query SELECT [t0].[col1] AS [childCol1], [t1].[col1] AS [parentCol1] FROM [dbo].[Child] AS [...
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How to write UPDATE SQL with Table alias in SQL Server 2008?

... Mark Byers - Great Answer!! This syntax allows me to add a commented out Select statement, which allows me to test the update by doing the select first (highlight from the select down and execute): SET Q.TITLE = 'TEST' -- SELECT * – user1636464 Aug 30 '12 at ...
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Cannot open database “test” requested by the login. The login failed. Login failed for user 'xyz\ASP

..., rather than not set up as a login. To test if it's set up as a login SELECT SUSER_ID('xyz\ASPNET') -- (**not** SUSER_SID) If NULL CREATE LOGIN [xyz\ASPNET] FROM WINDOWS If not NULL USE test GO SELECT USER_ID('xyz\ASPNET') If NULL USE test GO CREATE USER [xyz\ASPNET] FROM LOGIN [xyz\AS...