× Didn't find what you were looking for? Ask a question
  
  
  
Top Posters
Since Sunday
25
24
23
22
22
22
22
21
21
21
21
20
New Topic  
wrote...
Posts: 108
2 months ago
When redesigning a database, how can we check assumptions about functional dependencies?
Source  Download
Database Processing: Fundamentals, Design, and Implementation
Edition: 15th
Authors:
Read 8 times
3 Replies
Related Topics
Replies
wrote...
2 months ago
There are two related SQL techniques that we can use to check assumptions about functional dependencies in an existing database. The first is to use a correlated subquery with the SQL IN keyword, and the second is to use a correlated subquery structure using the SQL EXISTS and/or NOT EXISTS keywords.
wrote...
2 months ago
Appreciate the effort, thank you!
wrote...
2 months ago
You're very welcome ... please mark the topic solved when you get a chance
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers.
Learn More
Improve Grades
Help Others
Save Time
Accessible 24/7
  113 People Browsing
 106 Signed Up Today
Your Opinion
Which 'study break' activity do you find most distracting?
Votes: 153

Related Images
 777
 71
 72