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  1. SQL - Wikipedia

    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 …

  2. Query language - Wikipedia

    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.

  3. Transact-SQL - Wikipedia

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

  4. Data definition language - Wikipedia

    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 …

  5. MySQL - Wikipedia

    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 …

  6. Data manipulation language - Wikipedia

    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 …

  7. Microsoft SQL Server - Wikipedia

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

  8. NoSQL - Wikipedia

    Another defining characteristic of a document-oriented database is an API or query language to retrieve documents based on their contents. Different implementations offer different ways of …

  9. Donald D. Chamberlin - Wikipedia

    Chamberlin is best known as co-inventor of SQL (Structured Query Language), the world's most widely used database language. Developed in the mid-1970s by Chamberlin and Raymond …

  10. SQL injection - Wikipedia

    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 …