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Objectives
After reading this part, you should be able to:
What are the two types of serializability? The two types of serializability is a) Conflict serializability b) View serializability
How many types of Views are there? There are Four types of views:- Database View Help View Projection View Maintenance View
Consistency error : These errors happen due to the inconsistent state of database caused may be due to wrong implementation of commands or in case of a transaction abort. To overc
Critically evaluate the bulleted list of information-related items in this case study. How are each contradictory to the notion of being an information-literate knowledge worker?
Draw an ER diagram for company''s database schema
List the string operations supported by SQL? 1) Pattern matching Operation 2) Concatenation 3) Extracting character strings 4) Converting among uppercase and lower cas
It defines that the tuple in one relation that refers to another relation must refer to an existing tuple in that relation. This constraint is states on two relations (not essentia
What are the advantages of creating a table from existing table?
Which two tools are used to administer users for Active Directory?
Describe about Use Case and external case in DFD The processes are transformed those into the Use Case and external case in DFD has same characteristics which of an actor in O
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