SQL Explained in 100 Seconds
Fireship・2 minutes read
SQL, developed in the 70s and standardized in 1986, organizes data into tables with columns and rows, enabling operations like reading, creating, updating, deleting data, and joining data based on relationships through statements, keywords, and clauses forming full SQL statements for execution on various databases.
Insights
- SQL, developed in the 70s and standardized in 1986, organizes data into tables with columns and rows, acting as a standard language for relational database management systems.
- SQL's functions encompass reading, creating, updating, and deleting data, as well as joining data based on relationships using statements, keywords like select and where, and clauses, enabling execution across various SQL-supported databases.
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What is SQL used for?
SQL is used for managing relational databases.
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Summary
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"SQL: Standard language for managing databases"
- SQL, the standard language for relational database management systems, was developed in the 70s and standardized in 1986, organizing data into tables with columns as attributes and rows as individual records with unique primary keys.
- SQL's role includes reading, creating, updating, deleting data, and joining data based on relationships, with key parts like statements, keywords (e.g., select, where), and clauses forming a full SQL statement for execution on various databases supporting SQL.
