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SQL Server - When to use Clustered vs non-Clustered Index?

...ing: please very carefully pick your clustered index! Every "regular" data table ought to have a clustered index, since having a clustered index does indeed speed up a lot of operations - yes, speed up, even inserts and deletes! But only if you pick a good clustered index. It's the most replicated ...
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Ruby on Rails. How do I use the Active Record .build method in a :belongs to relationship?

...ethod you pass to a string and dissects it and tries to match it with your table's column names. – bigpotato Oct 16 '13 at 17:57 ...
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How to use custom packages

...d "Github code layout". Basically, you make your library a separate go get-table project. If your library is for internal use, you could go like this: Place the directory with library files under the directory of your project. In the rest of your project, refer to the library using its path relat...
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Where and how is the _ViewStart.cshtml layout file linked?

...ing on what type of device is accessing the site – and have a phone or tablet optimized layout for those devices, and a desktop optimized layout for PCs/Laptops. Or if we were building a CMS system or common shared app that is used across multiple customers we could select different layou...
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How does JPA orphanRemoval=true differ from the ON DELETE CASCADE DML clause

... i call department.remove(emp); that employee will be deleted from the emp table without even calling commit() – JavaTechnical Jun 10 '14 at 12:00 add a comment ...
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How do you do a limit query in JPQL or HQL?

... // SQL: SELECT * FROM table LIMIT start, maxRows; Query q = session.createQuery("FROM table"); q.setFirstResult(start); q.setMaxResults(maxRows); share | ...
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PostgreSQL - Rename database

... The above suggestions make me think it's better to keep table names restricted to just lowercase letters and underscore if possible! – Aswin Sanakan Feb 17 at 6:52 ...
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Replace a newline in TSQL

...tual run of the test-cases so instead, I built a "test-case query builder" table & give you the 9 statements to copy-paste into your own SSMS window to run (after creating the schema of course, i.e. the function & the TestStrings table). – NateJ May 12 ...
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CUDA incompatible with my gcc version

...l directory and then make symbolic links to the supported gcc version executables. Pass that local directory to nvcc via the --compiler-bindir option, and you should be able to compile CUDA code without affecting the rest of your system. EDIT: Note that this question, and answer, pertain to CUDA...
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Is there a good reason I see VARCHAR(255) used so often (as opposed to another length)?

...o which a VARCHAR's length can be extended through the use of online ALTER TABLE. Consequently, I derived those numbers by creating a table with a varchar(2) charset utf8 column and seeing how far I was able to extend it given ALGORITHM=INPLACE. – antak Apr 11...