SQL: Difference between revisions
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* Database and Table must already exist. | * Database and Table must already exist. | ||
* Values for all columns of an existing table must be submitted. | * Values for all columns of an existing table must be submitted. | ||
=== Select and fetch data from a database === | === Select and fetch data from a database === |
Revision as of 19:56, 1 December 2019
Structured Query Language (SQL) is a database language that is used in relational database management system such MySQL, SQL Server, PostgreSQL, or SQLite. Further information can be found here: https://en.wikipedia.org/wiki/SQL
Supported engines
MySQL
- Link: https://www.mysql.com/
- Creator/maintainer: Oracle
MariaDB
- Link: https://mariadb.com/
- Creator/maintainer: MariaDB Corporation Ab
MS SQL Server
- Link: https://www.microsoft.com/sql-server
- Creator/maintainer: Microsoft
- Comment: supports options 'driver' and 'schema'
Modes
There are basically two modes supported: You can add data to an existing database into or you can fetch data from an database.
Insert/add data to a database
- Database and Table must already exist.
- Values for all columns of an existing table must be submitted.