Illustrate briefly the term SQL sub query
Illustrate briefly the term SQL sub query?
Expert
The SQL sub query is a means of querying two or more than two tables at the same time. The sub query itself is an SQL SELECT statement existed in the WHERE clause of another SQL SELECT statement, and separated through being enclosed in parenthesis. Several sub queries have equivalent SQL join structures; however correlated sub queries can’t be duplicated by a join.
Explain the term lattice of cuboids in brief.
Why do normalized tables need more complex SQL when SQL statements are employed in application programs?
What is meant by the parameter file?
Write down some of the differences between the data query and the knowledge query.
Give a brief introduction of the term real time data-warehousing?
Explain about the Active and Passive Stage?
Illustrates the quickest sorting method to use?
Give a brief note on the term degenerate dimension table?
Explain the term Repository Tables within the Data Stage?
Describe briefly the term ODBC?
18,76,764
1944114 Asked
3,689
Active Tutors
1457438
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!