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List the table modification commands in SQL?
A) Deletion
B) Updates
C) Insertion
D) Update of a view
Illustrate how you can use QBE to perform logical AND and OR operation
The Structured Query Language INTRODUCTION Database is an organised set of information about an entity having controlled redundancy and serves numerous applications. DBMS
Removing a Synonym: DROP SYNONYM D30;
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?
What is serializability? Explain its types? The data base system must control concurrent implementation of transactions, to ensure that the data base state remains consistent.
why are older data models are being replaced by new data models
#what is cursor its uses ? Explain it
FDs in Entities : Student entity : Enrolment number → Student name, Address Course Entity :
Explain about database system structure? Storage manager Authorization and integrity manager Transaction manager File manager Buffer manager Storage manager
What are referential integrity constraints? A value that appears in single relation for a given set of attributes also appears for a particular set of attributes in another rel
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