Structured Query Language (SQL) (pronounced / ˌɛsˌkjuˈɛl / S-Q-L; or alternatively as / ˈsiːkwəl / ⓘ "sequel") [4][5] is a domain-specific language used to manage data, especially in a relational …

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 ' daughter My, [1] …

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

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 …

A popular data manipulation language is that of Structured Query Language (SQL), which is used to retrieve and manipulate data in a relational database. [2] Other forms of DML are those used by IMS …

A query language, also known as data query language or database query language (DQL), is a computer language used to make queries in databases and information systems.

SQL injection occurs when specially crafted user input is processed by the receiving program in a way that allows the input to exit a data context and enter a command context. This allows the attacker to …

The name is an abbreviation of Structured Query Reporter, which suggests its relationship to SQL (Structured Query Language). Any SQL statement can be embedded in an SQR program.

PL/SQL includes procedural language elements such as conditions and loops, and can handle exceptions (run-time errors). It allows the declaration of constants and variables, procedures, …

SQL implements constraint functionality in the form of check constraints. Constraints restrict the data that can be stored in relations. These are usually defined using expressions that result in a Boolean …