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How can I create a copy of an Oracle table without copying the data?

...eating the new table. You would have to change the names of the table and all constraints of course. (You could also do this in older versions using EXP/IMP, but it's much easier now.) Edited to add If the table you are after is in a different schema: SELECT dbms_metadata.get_ddl( 'TABLE', 'MY_T...
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Difference between web server, web container and application server

...d back with a HTTP response. Application Server or App Server: can handle all application operations between users and an organization's back end business applications or databases.It is frequently viewed as part of a three-tier application with: Presentation tier, logic tier,Data tier ...
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Excel “External table is not in the expected format.”

... "External table is not in the expected format." typically occurs when trying to use an Excel 2007 file with a connection string that uses: Microsoft.Jet.OLEDB.4.0 and Extended Properties=Excel 8.0 Using the following connection string seems to fix most problems. public static...
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JavaScript before leaving the page

... Just a note, if you want to conditionally display a message in onbeforeunload, return false will make the browser show "false" in a dialog. You need to return undefined if you want to let the window close with no user alert. – Dan Fitch ...
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Where can I find the error logs of nginx, using FastCGI and Django?

... For an answer on how to look. I was looking for logs from a different installation of nginx and it wasn't in the top answer. – Robert Dundon Dec 9 '16 at 15:23 ...
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How can building a heap be O(n) time complexity?

...itten this to describe how a max heap works. This is the type of heap typically used for heap sort or for a priority queue where higher values indicate higher priority. A min heap is also useful; for example, when retrieving items with integer keys in ascending order or strings in alphabetical order...
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Simulating group_concat MySQL function in Microsoft SQL Server 2005?

...how to concat values - group_concat concats them by group, which is more challenging (and what the OP appears to require). See the accepted answer to SO 15154644 for how to do this - the WHERE clause is the critical addition – DJDave Jan 11 '18 at 13:26 ...
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How can I clone an SQL Server database on the same server in SQL Server 2008 Express?

... Install Microsoft SQL Management Studio, which you can download for free from Microsoft's website: Version 2008 Microsoft SQL Management Studio 2008 is part of SQL Server 2008 Express with Advanced Services Version 2012...
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Is there a way to 'uniq' by column?

...o you need the ,1 in -k1,1? why not just -k1? – hello_there_andy Nov 24 '14 at 20:10 19 @hello_th...
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Hibernate: Automatically creating/updating the db tables based on entity classes

...e schema to follow any changes you make to the Model each time you run the app. Got this from JavaRanch share | improve this answer | follow | ...