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Create PostgreSQL ROLE (user) if it doesn't exist

How do I write an SQL script to create a ROLE in PostgreSQL 9.1, but without raising an error if it already exists? 10 Answ...
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What is the difference between SqlCommand.CommandTimeout and SqlConnection.ConnectionTimeout?

Is there any difference between SqlCommand.CommandTimeout and SqlConnection.ConnectionTimeout in .NET? 6 Answers ...
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How do you search an amazon s3 bucket?

...re traditional datastores that offer a (SELECT * FROM ... WHERE ...) (in a SQL model). What you will need to do is perform ListBucket to get a listing of objects in the bucket and then iterate over every item performing a custom operation that you implement - which is your searching. ...
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Hibernate - Batch update returned unexpected row count from update: 0 actual row count: 0 expected:

..., try the following: In your hibernate configuration, set hibernate.show_sql to true. This should show you the SQL that is executed and causes the problem. Set the log levels for Spring and Hibernate to DEBUG, again this will give you a better idea as to which line causes the problem. Create a uni...
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Get top 1 row of each group

... And... What is Partition By? With is new to me also :( I'm using mssql 2005 anyway. – dpp Jul 27 '11 at 8:48 6 ...
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How do you view ALL text from an ntext or nvarchar(max) in SSMS?

How do you view ALL text from an NTEXT or NVARCHAR(max) in SQL Server Management Studio? By default, it only seems to return the first few hundred characters (255?) but sometimes I just want a quick way of viewing the whole field, without having to write a program to do it. Even SSMS 2012 still has...
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How to do a regular expression replace in MySQL?

... With MySQL 8.0+ you could use natively REGEXP_REPLACE function. 12.5.2 Regular Expressions: REGEXP_REPLACE(expr, pat, repl[, pos[, occurrence[, match_type]]]) Replaces occurrences in the string expr that match the regular expressio...
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How to get multiple counts with one SQL query?

... Thanks for this very elegant solution. Btw, this also works with TSQL. – Annie Lagang Sep 9 '16 at 0:52 7 ...
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How to generate .json file with PHP?

... Here is a sample code: <?php $sql="select * from Posts limit 20"; $response = array(); $posts = array(); $result=mysql_query($sql); while($row=mysql_fetch_array($result)) { $title=$row['title']; $url=$row['url']; $posts[] = array('title'=> ...
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How do you deploy your ASP.NET applications to live servers?

...base For keeping databases in sync I use http://www.red-gate.com/products/sql-development/sql-compare/ If server is behind bunch of routers and you can't directly connect (which is requirement of SQL Compare), use https://secure.logmein.com/products/hamachi2/ to create VPN. ...