Making the use of the index keywords also automatically implies that the UNIQUE constraint is applied internally on that particular column so that all the rows of the table contain a different unique value in t
In this infographic find out what is the main difference between a clustered index and a non-clustered index and how they help you in your SQL query searches.Learn More at → Start a FREE Trial of SQL Diagnostic Manager Contact IDERA: ...
Another important art is choosing a good, unique primary key for every table. You not only have to consider the impact of the primary key on common queries, but how it will play in joins when it appears as a foreign key in another table, and how it will affect the data’s locality ...
A constraint is a rule in a relational database that you create to make sure that data stored in a table adheres to specific standards that you set, such as always making sure there is a value in a particular column, or that the data in a column has to be unique from all other val...
Has columnstore index enhancements for sorting and Always On Availability Group support. New security features: Always Encrypted: When enabled, only the application that has the encryption key can access the encrypted sensitive data in the SQL Server 2016 database. The key is never passed to SQL...
Has columnstore index enhancements for sorting and Always On Availability Group support. New security features: Always Encrypted: When enabled, only the application that has the encryption key can access the encrypted sensitive data in the SQL Server 2016 database. The key is never passed to SQL...
The v8.5 release of SSMA for SAP ASE is enhanced with support for Microsoft Entra/Azure AD authentication and basic support for JSON features in SQL Server, together with a targeted set of fixes designed to improve usability and performance. In addition, SSMA for SAP ASE now allows you to ...
Has columnstore index enhancements for sorting and Always On Availability Group support. New security features: Always Encrypted: When enabled, only the application that has the encryption key can access the encrypted sensitive data in the SQL Server 2016 database. The key is never passed to SQL...
Structured Query Language (SQL) is a standardized programming language that is used to managerelational databasesand perform various operations on the data in them. Initially created in the 1970s, SQL is regularly used not only by database administrators but also by developers writing data integratio...
performed when starting, an SQL node now compares all databases on the cluster's data nodes with those in its own data dictionary, and if any of these is found to be missing from the SQL node's data dictionary, the SQL Node installs it locally by executing a CREATE DATABASE statement....