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This tag is for general database questions. If you question is specific to SQL or NoSQL, use the corresponding tags instead.
0
votes
Is it necessary to create a database with as few tables as possible
Uncle Bob would argue that More is Simpler.
See http://c2.com/cgi/wiki?FearOfAddingTables
"a good design is generally simplified by adding tables"
I believe that almost all entities are many-to-man …
12
votes
How to prevent race conditions in a web application?
Use Optimistic Concurrency Control.
Add a versionNumber or versionTimestamp column to the table in question (integer is safest).
User 1 reads record:
{id:1, status:unimportant, version:5}
User 2 read …