Data query and knowledge query
Write down some of the differences between the data query and the knowledge query.
Expert
A data query determines the real data resides within the database and corresponds to the basic retrieval statement within the database system.
A knowledge query determines the rules, patterns and other types of knowledge within the database and corresponds to the querying database knowledge involving the deduction rules, generalized rules, integrity constraints, frequent patterns and several other regularities.
What does it mean when we say that a relation is in Boyce-Codd Normal Form (BCNF)?
Illustrates all databases should be in third normal form or not?
Describes the difference between NULL and VOID pointers into Data Structures?
Illustrates storing of data in stored procedures increase the access time?
Can we stop and start one session in the concurrent batch?
Why is modeling time-dependent data important with a time stamp?
Explain the following term: a) OLAP b) OLTP
hatcher also created the accompanying Level 1 data flow diagram for this process. Unfortunately, this DFD has numerous syntax and semantic errors. Identify the errors. Redraw the DFD to more correctly represent the receive supplier shipments process.
Why do we utilize a Multidimensional Array within data structure?
What understand by the term SQL, and give its importance?
18,76,764
1935982 Asked
3,689
Active Tutors
1422194
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!