From a21e75178e452aaab916ff0a626be452f6f2cba5 Mon Sep 17 00:00:00 2001 From: Sion Kang Date: Fri, 7 Oct 2022 21:05:36 +0900 Subject: [PATCH] Update readme.md (#2197) --- .../content/110-nodejs-databases/100-relational/readme.md | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/content/roadmaps/107-nodejs/content/110-nodejs-databases/100-relational/readme.md b/content/roadmaps/107-nodejs/content/110-nodejs-databases/100-relational/readme.md index e6a7c3178..613daa077 100644 --- a/content/roadmaps/107-nodejs/content/110-nodejs-databases/100-relational/readme.md +++ b/content/roadmaps/107-nodejs/content/110-nodejs-databases/100-relational/readme.md @@ -1 +1,5 @@ -# Relational \ No newline at end of file +# Relational + +A relational database is a (most commonly digital) database based on the relational model of data, as proposed by E. F. Codd in 1970. A system used to maintain relational databases is a relational database management system (RDBMS). Many relational database systems are equipped with the option of using the SQL (Structured Query Language) for querying and maintaining the database. + +Free Content