Structured Query Language (SQL) - Overview, Statements, …
https://corporatefinanceinstitute.com/resources/knowledge/data-analysis/structured-query-language-sql/
Structured Query Language (SQL) was first introduced in a paper from 1970, “A Relational Model of Data for Large Shared Data Banks,” by Edgar F. Codd. Codd introduced relational algebra, which is used to define relationships between data tables. It is the theoretical foundation of SQL. The first implementation of SQL was developed by two researcher...
Structured Query Language (SQL) was first introduced in a paper from 1970, “A Relational Model of Data for Large Shared Data Banks,” by Edgar F. Codd. Codd introduced relational algebra, which is used to define relationships between data tables. It is the theoretical foundation of SQL. The first implementation of SQL was developed by two researcher...
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