What is difference between unique and distinct in SQL? The main difference between Unique and Distinct in SQL is thatUnique helps to ensure that all the values in a column are differentwhile Distinct helps to r
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 Server. Dynamic Data Masking:If specified in the table definition, masked data is hidden from most users, and...
Get an introduction to SQL Database: technical details and capabilities of the Microsoft relational database management system (RDBMS) in the cloud.
Analysis Services projects and SSMS are updated monthly with new and improved features that typically coincide with new functionality in SQL Server. While it's important to learn about all the new features, it's also important to know what is being deprecated and discontinued in this release and...
For information about availability groups on Linux, see Availability groups for SQL Server on Linux.In an HA configuration, a cluster role is created for every availability group that you create. The WSFC cluster monitors this role to evaluate the health of the primary replica. The quorum for ...
Work done in NDB 8.0.20 allows many outer joins and semijoins, and not only those using a primary key or unique key lookup, to be pushed down to the data nodes (see Engine Condition Pushdown Optimization). Outer joins using scans which can now be pushed include those which meet the fo...
SQL, which stands forStructured Query Language, is a programming language that’s used to retrieve, update, delete, and otherwise manipulate data in relational databases. MySQL is officially pronounced “My ess-cue-el,” but “my sequel” is a common variation. As the name suggests, MySQL is...
The SQL part of“MySQL”stands for“Structured Query Language”. SQL is the most common standardized language used to access databases. Depending on your programming environment, you might enter SQL directly (for example, to generate reports), embed SQL statements into code written in another langu...
Learn about what's new in the latest version Power BI Report Server. This article covers the major feature areas and is updated as new versions are released.
Analysis Services projects and SSMS are updated monthly with new and improved features that typically coincide with new functionality in SQL Server. While it's important to learn about all the new features, it's also important to know what is being deprecated and discontinued in this release and...