We changed the original name "SEQUEL" to SQL because we got a letter from somebody's lawyer that said the name "SEQUEL" belonged to them. We shortened it to SQL, for Structured Query Language, …

MySQL (/ ˌmaɪˌɛsˌkjuːˈɛl /) [6] is an open-source relational database management system (RDBMS). [6][7] Its name is a combination of "My", the name of co-founder Michael Widenius 's daughter My, [1] …

Structured Query Language (SQL), however, uses a collection of imperative verbs whose effect is to modify the schema of the database by adding, changing, or deleting definitions of tables or other …

SQL specifies two different syntactical ways to express joins: the "explicit join notation" and the "implicit join notation". The "implicit join notation" is no longer considered a best practice [by whom?], although …

Microsoft SQL Server ... Microsoft SQL Server is a proprietary relational database management system developed by Microsoft using Structured Query Language (SQL, often pronounced "sequel").

Transact-SQL (T-SQL) is Microsoft 's and Sybase 's proprietary extension to the SQL (Structured Query Language) used to interact with relational databases.

NoSQL (originally meaning " N ot o nly SQL " or "non-relational") [1] refers to a type of database design that stores and retrieves data differently from the traditional table-based structure of relational …

Microsoft Azure SQL Database (also described as SQL Server on Azure or Azure SQL; formerly known as SQL Azure, SQL Server Data Services, SQL Services, and Windows Azure SQL Database) is a managed …

Prepared statements are normally executed through a non-SQL binary protocol for efficiency and protection from SQL injection, but with some DBMSs such as MySQL prepared statements are also …

PL/SQL refers to a class as an "Abstract Data Type" (ADT) or "User Defined Type" (UDT), and defines it as an Oracle SQL data-type as opposed to a PL/SQL user-defined type, allowing its use in both the Oracle …