0
votes
0answers
26 views

I got a database in CSV file and would like to create a ERD diagram [closed]

I got a database in CSV file and would like to create a ERD diagram, what is the best approach for this? The CSV file comes from a 20 tab Excel spread sheet and hence, so far, I am selecting each tab ...
2
votes
3answers
201 views

Database design for bookmark system

I am creating a bookmark system where people can save their bookmarks. Each user has its own personal page with bookmarks. A bookmark should have atleast one tag and max five. Each user can create ...
4
votes
2answers
780 views

Are there any tools to go from ERD to DB design and vice versa?

I'm learning DB design and looking for some tools, preferably open source software, that could help go from an ERD to a DATABASE and vice versa. For the record, the database i'm using is MySQL.
2
votes
1answer
892 views

How do I persist recurring events?

I've been tasked with designing a system to recur events. Events may recur daily, hourly, monthly or yearly. Users should be able to schedule events "every 3rd Wednesday of the month" or "The 1st of ...