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What is transaction?
Collections of operations that form a single logical unit of work are known as transactions.
Company XYZ is an advertising company. It has its own website but the search facilities offered are not reliable. The company is willing to invest to acquire new machines and sof
how map binary relation one to one
Represent the following scenarios with E-R diagrams drawn using the ER Assistant software. The diagrams should indicate cardinality and optionality of relationships. Transform each
Performance of Various Concurrency Control Mechanisms
Differentiate between Primary and secondary storage? Primary and secondary storage - Primary storage device stores the data temporarily. Primary storage is commonly used thro
Describe in brief about DBMS ?
explain the steps for reduction of er model into relational model?
What is indexed sequential file organization? What are the applications of this organization? Ans: An index file can be employed to effectively overcome the problem of storing
Construct a clean ans concise ER diagram for the database indicating the cardinality mapping for Employee management syatem
Describe substring comparison in SQL. For the relation Person (name, address), write a SQL query that retrieves the names of people whose name starts along with ‘A' and address co
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