Cascading update in DBMS
What do you understand by the term cascading update in DBMS?
Expert
Referential integrity constraints need that foreign key values in one table correspond to primary key values in any other. When the value of the primary key is altered – i.e., updated -- the value of the foreign key must instantly be changed to match it. Cascading updates will setup this alter to be done automatically by the DBMS when essential.
Explain the types of views within Data stage Director?
Explain the loops?
Briefly explain continuous and discrete data in data mining?
Specify the vaious types of data warehouses?
Give a brief introduction of the term surrogate key?
Explain why it is still essential to have at least certain familiarity with file processing systems even although it has become apparent that traditional file processing systems contain a number of shortcomings and restrictions.
Objectives create an external DTD that dictates a relational model-like data structure for XML documents. Assignment 1 Description W
Explain the security aspects of stored procedures.
Explain the Rank, Router, Sorter transformation?
Explain the working of the IPC Stage?
18,76,764
1936325 Asked
3,689
Active Tutors
1424847
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!