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What is SQL injection? [duplicate]

Can someone explain SQL injection? How does it cause vulnerabilities? Where exactly is the point where SQL is injected? 9...
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Run all SQL files in a directory

I have a number of .sql files which I have to run in order to apply changes made by other developers on an SQL Server 2005 database. The files are named according to the following pattern: ...
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Why am I getting “Cannot Connect to Server - A network-related or instance-specific error”?

I get the following error when trying to connect to SQL Server: 38 Answers 38 ...
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SQL Server Configuration Manager not found

After installing SQL Server 2008, I cannot find the SQL Server Configuration Manager in Start / SQL Server 2008 / Configuration Tools menu. ...
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How to declare variable and use it in the same Oracle SQL script?

... There are a several ways of declaring variables in SQL*Plus scripts. The first is to use VAR, to declare a bind variable. The mechanism for assigning values to a VAR is with an EXEC call: SQL> var name varchar2(20) SQL> exec :name := 'SALES' PL/SQL procedure success...
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How do I grant myself admin access to a local SQL Server instance?

I installed SQL Server 2008 R2 to my local machine. But, I can't create a new database because of rights (or lack of). 6 An...
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How to find the port for MS SQL Server 2008?

I am running MS SQL Server 2008 on my local machine. I know that the default port is 1433 but some how it is not listening at this port. The SQL is an Express edition. ...
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Why no love for SQL? [closed]

I've heard a lot lately that SQL is a terrible language, and it seems that every framework under the sun comes pre-packaged with a database abstraction layer. ...
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Can't connect to localhost on SQL Server Express 2012 / 2016

I just downloaded the latest version of SQL Express 2012 but I cannot connect to localhost. I tried localhost\SQLExpress and Windows authentication but it gives me an error message saying cannot connect. Am I missing something here? I've used SQL Server 2008 before and I've never had issues connecti...
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Unable to login to SQL Server + SQL Server Authentication + Error: 18456

I have created login account on my localhost\sql2008 Server (Eg. User123) 6 Answers 6 ...