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Which method of access uses key transformation? A Hash method of access uses key transformation.
WHAT IS MEANT BY E-R MODEL
Using Relational Algebra which query finds customers, who have a balance of over 1000 ? Using Relational Algebra Π Customer_name( σ balance >1000(Deposit)) is query to find cu
What is Relational calculus? Relational calculus is a Non- Procedural language.
Express the ways provided by MySQL for Pattern Matching? MySQL provides two kinds of pattern matching. 1) One is based on SQL patterns 2) Regular expressions.
Describe log based recovery The most usably structure for recording data base modification is the LOG the log is a sequence of log records recording all the update activities i
What is known as a search key? An attribute or set of attributes used to look up records in a file is known as a search key.
Structure of Client Server Systems: In client/server architecture, clients show users who require services while servers give services. Both client and server are a combination of
Answer SQL Queries to extract data from data tables and questions on mapping conceptual data models into relational data model.
Determine Which is not a consequence of concurrent operations? Ans: Update anomaly.
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