Tiny Intros

Here’s what is in progress and what has been covered until now:

Thank you for reading. If any suggestions, feel free to send me a tweet @dandancrisan

 
10
Kudos
 
10
Kudos

Now read this

Intro to Database Systems - Part 11 to 13 : Integrity Constraints

Constraints are there to impose restrictions on what data is allowed in the database. The basic E/R model introduces us to 2 types of constraints: KEYS Multiplicities The relational model allows us to be more flexible. It imposes bounds... Continue →