Learn what a SQL Query is and the fundamentals of the SQL SELECT statement, which is used to query the database for useful information. Learning how to retrieve information from or manipulate information in a database is commonly a perplexing exercise. However, it can be a relatively easy tas...
A distributed availability group spans multiple availability groups, each on its own underlying WSFC, and a distributed availability group is a SQL Server-only construct. This means the WSFCs that house the individual availability groups can have different major versions of Windows Server. ...
Applies to: SQL Server A distributed availability group (AG) is a special type of availability group that spans two separate availability groups. Distributed availability groups are available starting with SQL Server 2016. This article describes the distributed availabilit...
SQL is written in plain English and not in complex code, which makes it easier for the average user to select, insert, update, and delete data, so long as they learn the functions and the syntax. Community support. Because SQL is an open-source language, it is supported by a worldwide...
SQL is used to query and manipulate the underlying relational databases such as SQL Server, Oracle, MySQL, PostgreSQL, SQLite, etc. SQL is an ANSI (American National Standards Institute) and ISO (International Organization for Standardization) standard language. However, not all the databases ...
SQL DELETE Statement (Transact SQL) SQL STUFF Function (Transact SQL) 10 responses to “What is a SQL Trigger?” What are the Major Part of a SQL DB? – Essential SQL Oct 16, 2021 […] Triggers are special instructions that are executed when important events, such as inserting or updat...
An HA availability group is a group of databases that fail over together. A read-scale availability group is a group of databases that are copied to other instances of SQL Server for read-only workload. An availability group supports one set of primary databases and one to eight sets of ...
After reading this article you will understand what a database cursor is, see an example, and understand when to use them in a stored procedure. All the examples for this lesson are based on Microsoft SQL Server Management Studio and the sample databases AdventureWorks and WideWorldImporters. ...
An availability database is sometimes called adatabase replicain Transact-SQL, PowerShell, and SQL Server Management Objects (SMO) names. For example, the term "database replica" is used in the names of the Always On dynamic management views that return information about availability databases:sy...
Union-basedattacks use prepared statements that exploit the SQL union function, which combines the results of multiple queries into one result. Inferential SQLi Also known asblind SQLi, inferential SQLi is when hackers send datapayloadsto a database server to observe its response and behavior withou...