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SQL was initially developed at IBM by Donald D. Chamberlin and Raymond F. Boyce after learning about the relational model from Edgar F. Codd [12] in the early 1970s. [13] This version, initially called SEQUEL (Structured English Query Language), was designed to manipulate and retrieve data stored in IBM's original quasirelational database management system, System R, which a group at IBM San ...
Features. Legend. User Interface: Browser based - executes on a computer server and is accessed via a network using a web browser. desktop - executes on a personal computer. Create/alter table: Yes - can create table, alter its definition and data, and add new rows.
Donald D. Chamberlin is an American computer scientist who is one of the principal designers of the original SQL language specification with Raymond Boyce. He also made significant contributions to the development of XQuery. Chamberlin was elected a member of the National Academy of Engineering in 1997 for contributions to the SQL database ...
dbt enables analytics engineers to transform data in their warehouses by writing select statements, and turns these select statements into tables and views. dbt does the transformation (T) in extract, load, transform (ELT) processes – it does not extract or load data, but is designed to be performant at transforming data already inside of a warehouse. dbt has the goal of allowing analysts to ...
MySQL (/ ˌ m aɪ ˌ ɛ s ˌ k juː ˈ ɛ l /) [5] is an open-source relational database management system (RDBMS). [5] [6] Its name is a combination of "My", the name of co-founder Michael Widenius's daughter My, [7] and "SQL", the acronym for Structured Query Language.
Database design. Database design is the organization of data according to a database model. The designer determines what data must be stored and how the data elements interrelate. With this information, they can begin to fit the data to the database model. [1] A database management system manages the data accordingly.
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