Questions tagged [db.databases]

Theoretical questions in Databases

Filter by
Sorted by
Tagged with
2
votes
3answers
148 views

Searching for matching queries

Suppose you have a large set of queries (could be in SQL form, but conceivably the same problem exists for search engine query strings or Lucene expressions, etc...) stored and you want to know which ...
1
vote
1answer
1k views

How to recognize safe queries in tuple relational calculus?

How do I determine whether query in tuple relational calculus is a safe query?
4
votes
2answers
779 views

What are the prospects of research in database field?

I have been working with database management systems, and would like to focus on research in this very area some day. I was having a look at the various research labs around the world, ...

1
2