Learn the differences, benefits, and drawbacks of using temporary tables or table variables in T-SQL stored procedures, and how to optimize performance.

I have a master table from where, based on the field value, I need to choose the wanted table to use within the panel and with the repeat option. Basically I need to dynamically change the table wh ...

MySQL is a complex system that requires many tools to repair, diagnose, and optimize it. Fortunately for admins, MySQL has attracted a vibrant community of developers who have put out high-quality ...

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I am having a hell of a time getting what seems like a simple running total to work with a variable in MySQL. My original query looks like this (table/column names are simplified for readability ...

Sql server provides a number of global variables, which are very useful.the values of these variables is maintained by the server. all the global variables represent information specific to the server ...

For example, in SQL Server 2014 default constraints are supported, but check constraints are not. Like memory-optimized tables, table variables do not support parallel plans. Like memory-optimized ...

A database migration gone awry caused the outage and poor availability that GitHub customers experienced this week. In a lengthy blog post today, GitHub's Jesse Newland, apologized for the outage ...

The group reportedly used an SQL injection to extract the information, which includes email addresses, passwords, over 2,700 database table or column names and 298 MySQL variables.