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List the string operations supported by SQL?
1) Pattern matching Operation
2) Concatenation
3) Extracting character strings
4) Converting among uppercase and lower case letters.
WHAT IS DSS? WRITE ITS REQUIREMENTS.
What is a value? A data value is used for identity. This form of identity is used in relational systems.eg: The primary key value of a tuple recognize the tuple.
what factors might influence a company to outsource its IT infrascture.
why shadow copy technique is used?
Example :; transfers transfer_amount from x's account to y's account ; Supposes x&y both accounts exist TRANSACTION (x, y, transfer_amount) Start transaction IF X AND Y
Probelm: a) In the context of OODBMS, define the following terms with appropriate examples. (i) Object class. (ii) Abstract class. (iii) Aggregation. (iv)
Example: Consider the following relations: ROLLNO NAME ADDRESS COURSE_ID 100 Ka
What type of view of total database content? Data base content Conceptual view of total database contain.
average response time?
differences between a classified catalog and a dictionary catalog
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