GitHub/quartz
1
0
Fork 2
mirror of https://github.com/jackyzha0/quartz.git synced 2025-12-27 14:54:05 -06:00
Code Issues Actions Packages Projects Releases Wiki Activity

vault backup: 2022-09-22 10:09:01

Browse Source
This commit is contained in:
Jet Hughes 2022-09-22 10:09:01 +12:00
parent c61776abf3
commit c9c2186f39
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
content/notes/13-databases-1.md
View File

@ -32,8 +32,8 @@ specifiically *relational databases*
- datbase normalisation
- SQL
#
## relational vs nosql
relation is better for structured data, nosql is better for abstract data, as it is more flexible
# Data modelling
first step in designing database
@ -45,3 +45,6 @@ schema Defn: a collection of metadata that describes the logical view of a datab
noSQL databases are either schema-free or have relaxed schemas
![example database schema|400](https://i.imgur.com/09ATkHZ.png)
## conceptual data modelling