Security is a confusing topic to many, especially when it comes to understanding what rights are needed to monitor and use SQL Server Agent. This article will examine the rights and roles used for SQL Server Agent, as well as the security context requirements for jobs.
In this level, we're going to dig a little deeper into the Extended Events engine, its architecture, and fundamental components. It will give you a deeper understanding of why, in general, an Extended Events session is inherently lower in overhead than an equivalent SQL Trace. We'll also investigate how to design our event sessions to minimize any unnecessary overhead during event data collection, even when we need to create relatively complex event sessions to investigate difficult performance problems.
The first level in the Stairway to Virtualization introduces the concept of virtualized servers as well as the terminology and benefits of implementing the technology.
In this level of the Stairway to Server Virtualization, learn how to build a Hyper-V virtual machine for SQL Server.
The final level of this stairway looks at the MERGE statement in detail, focusing on how to perform insert, update and delete logic using the MERGE statement.
This level of the stairway details the creation of a relational database, as well as filling in some of the history of the relational database model.
The first topic in this stairway will be discussing the TOP clause. The TOP clause allows you to control the number of rows to be returned or affected by a query.
In this level of the Beyond the T-SQL Basics stairway, we will be discussing the different aspects of a subquery.
This level discusses how to use a database VIEW to simplify your Transact-SQL(T-SQL) code. By understanding how to use a VIEW you will be able to better support writing T-SQL code to meet complex business requirements. In this article I will be discussing what a database VIEW is and then providing a number of examples to help you understand how you can use a VIEW to implement different coding scenarios.
There are times when retrieving data for complex business requirement requires you to temporarily store one or more results sets for a short period of time. Typically these temporary tables are stored in the scope of the current connection, but they may also need to be available across multiple connections.
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When thinking of the Identity property for auto incrementing columns and sequences for the same action, which are explicitly linked to increment a number in a table when a new row is added?
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