A GROUP BY statement in SQL specifies that a SQL SELECT statement partitions result rows into groups, based on their values in one or several columns....

In computing, SQL injection is a code injection technique used to attack data-driven applications, in which malicious SQL statements are inserted into...

Structured Query Language (SQL) (pronounced /ˌɛsˌkjuˈɛl/ S-Q-L; or alternatively as /ˈsiːkwəl/ "sequel") is a domain-specific language used to manage...

The SQL Access Group (SAG) was a group of software companies that was formed in 1989 to define and promote standards for database portability and interoperability...

A HAVING clause in SQL specifies that an SQL SELECT statement must only return rows where aggregate values meet the specified conditions.: 125–127  HAVING...

The SQL SELECT statement returns a result set of rows, from one or more tables. A SELECT statement retrieves zero or more rows from one or more database...

The syntax of the SQL programming language is defined and maintained by ISO/IEC SC 32 as part of ISO/IEC 9075. This standard is not freely available....

database management system (RDBMS) emphasizing extensibility and SQL compliance. PostgreSQL features transactions with atomicity, consistency, isolation,...

(SQL). Data Control Language is one of the logical group in SQL Commands. SQL is the standard language for relational database management systems. SQL...

reserved. SQL SQL syntax List of relational database management systems Page listing all reserved words in the SQL standard, from SQL-92 to SQL:2016: Standard...

The history of Microsoft SQL Server begins with the first Microsoft SQL Server database product – SQL Server v1.0, a 16-bit relational database for the...

MySQL (/ˌmaɪˌɛsˌkjuːˈɛl/) is an open-source relational database management system (RDBMS). Its name is a combination of "My", the name of co-founder Michael...

for the SQL database query language. It was formally adopted in June 2023. SQL:2023 includes new and updated features. The changes can be grouped into three...

A join clause in the Structured Query Language (SQL) combines columns from one or more tables into a new table. The operation corresponds to a join operation...

In SQL, null or NULL is a special marker used to indicate that a data value does not exist in the database. Introduced by the creator of the relational...

SQL:1999 (also called SQL 3) was the fourth revision of the SQL database query language. It introduced many new features, many of which required clarifications...

An ORDER BY clause in SQL specifies that a SQL SELECT statement returns a result set with the rows being sorted by the values of one or more columns....

Interface (CLI or SQL/CLI) is an application programming interface (API) and software standard to embed Structured Query Language (SQL) code in a host program...

standard SQL:1999 hierarchical queries are implemented by way of recursive common table expressions (CTEs). Unlike Oracle's earlier connect-by clause,...

SQL:2016 or ISO/IEC 9075:2016 (under the general title "Information technology – Database languages – SQL") is the eighth revision of the ISO (1987) and...

PL/pgSQL (Procedural Language/PostgreSQL) is a procedural programming language supported by the PostgreSQL ORDBMS. It closely resembles Oracle's PL/SQL language...

In SQL, a window function or analytic function is a function which uses values from one or multiple rows to return a value for each row. (This contrasts...

majority use SQL for writing and querying data. In the 2000s, non-relational databases became popular, collectively referred to as NoSQL, because they...

costs and/or development costs. NewSQL systems attempt to reconcile the conflicts. The term was first used by 451 Group analyst Matthew Aslett in a 2011...

NonStop SQL is a commercial relational database management system that is designed for fault tolerance and scalability, currently offered by Hewlett Packard...

relational database management systems No private methods, no way to call super method from a child. Arvin.dk, comparison of different SQL implementations...

his research on Anonymous and his threat to expose members of the group. Using a SQL injection weakness, the four hacked the HBGary site, used Barr's captured...

PostgreSQL is also an ACID-compliant object-relational database management system developed by PostgreSQL Global Development Group. MongoDB is a NoSQL database...

an aggregate is a simple summary table that can be derived by performing a Group by SQL query. A more common use of aggregates is to take a dimension...

SAP SQL Anywhere is a proprietary relational database management system (RDBMS) product from SAP. SQL Anywhere was known as Sybase SQL Anywhere prior to...