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Is there type Long in SQLite?
I want to create a table with the column type Long instead of Integer . Is it possible?
7 Answers
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How to write UPDATE SQL with Table alias in SQL Server 2008?
...ment on SQL Server is as follows:
UPDATE Q
SET Q.TITLE = 'TEST'
FROM HOLD_TABLE Q
WHERE Q.ID = 101;
The alias should not be necessary here though.
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How do I create a unique constraint that also allows nulls?
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This very problem hits ADO.NET DataTables too. So even that I can allow nulls in the backing field using this method, the DataTable won't let me store NULLs in a unique column in the first place. If anyone knows a solution for that, please post it here
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iPhone Keyboard Covers UITextField
...is is best the explanation out there about this topic. Other tutorials use Table Views, Scroll Views, etc. This actually works without getting into any other complexities, plain and simple. Thanks for sharing this source.
– Renexandro
Feb 17 '14 at 19:39
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Switch statement fallthrough in C#?
...ere one takes a value, computes an offset from it (whether by looking up a table indexed by a perfect hash of the value, or by actual arithmetic on the value*). It's worth noting at this point that today, C# compilation will sometimes turn switch into the equivalent if-else, and sometimes use a hash...
How to read a .xlsx file using the pandas Library in iPython?
... file using the Pandas Library of python and port the data to a postgreSQL table.
6 Answers
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How to create GUID / UUID?
...ulnerabilities. Either way, if it's a random number ID that's going into a table, I would probably be generating it server-side, so that I know I have control over the process.
– Cam Jackson
Nov 1 '12 at 14:34
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NOT IN vs NOT EXISTS
...OT IN sub query were to return no results at all (i.e. the [Order Details] table is empty). In which case it should. In the plan for my sample data this is implemented by adding another anti semi join as below.
The effect of this is shown in the blog post already linked by Buckley. In the example...
Are there any disadvantages to always using nvarchar(MAX)?
..., the value gets pushed out of row based on may more factors, including sp_tableoptions: msdn.microsoft.com/en-us/library/ms173530.aspx. VARCHAR(255) types can also b pushed out of row, the 'overhead' mentioned may be exactly the same for MAX and 255. It compares MAX types with TEXT types, when they...
How to annotate MYSQL autoincrement field with JPA annotations
...he object Operator into MySQL DB.
Prior to save, I try to select from this table and it works, so is connection to db.
10 A...