All Questions
5 questions
-2votes
2answers
205views
How to filter and concatenate multiple sql files into one database [closed]
I have an issue where I have multiple databases from previous projects that I would like to combine into one large database. These databases are stored in .sql files. The issue is that I only need ...
0votes
2answers
574views
Is it true that ORM allows for changing the type of SQL that you use easily?
Hey so I have been looking into ORM since my last question and I am wondering. Instead of worrying alot right now about whether I will use mysql, postgre, or sqlite, would it be better to use ORM ...
-1votes
1answer
111views
Commit instead of rollback? [closed]
Simple example (PSEUDO CODE): for (int i = 0; i < 100; i++) { START TRANSACTION; SELECT id, name FROM employees WHERE id = i; IF (someFunction(id)) { ROLLBACK; ...
7votes
3answers
555views
Do common relational database systems work 'out of the box'? [closed]
I'm quite new to software development and whenever I come across small projects which involve storing (relational) data I always ask myself if something like a micro-blog (or any other project with ...
-3votes
1answer
394views
Is SQL inefficient since it has to parse through everything?
As you know SQL doesn't have arrays. So if you make a table "article" and wish to have comments on your articles I presume you would make another table "comment". Inside "comment" table you have the ...