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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.
Scenario 1: Power goes out after the first instruction. What happens?
What is the use of sub queries? A sub query is a select-from-where expression that is nested with in another query. A common use of sub queries is to do tests for set membershi
write short note on mobile database
WRITE SHORT NOTES ON INDEX STRUCTURE OF FILES? There are two basic parts of indices 1. Ordered indices 2. Hash indices Every technique must be evaluated on the bas
Parallelism of transaction execution: A transaction can be divided into various sub-queries that can operate on fragments in parallel. This enhances the degree of concurrency in t
What are the properties in a relation ? In a relation Ordering of rows is immaterial and No two rows are identical.
What is vertical fragmentation? Vertical fragmentation divides the relation by decomposing the scheme R of relation r.
Question 1 Discuss on transmission impairments Question 2 What is framing? Question 3 Write a note on 10Base2 10Base- T Question 4 Explain the rev
Define lock? Lock is the most common used to execute the requirement is to permit a transaction to access a data item only if it is currently holding a lock on that item.
What is a hash index? A hash index organizes the search keys, with their associated pointers, into a hash file structure.
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