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What is transaction?
Collections of operations that form a single logical unit of work are known as transactions.
Define Two phase commit Two phase commit: To make sure atomicity, all the sites where a transaction is being executed must agree on the final outcome of the execution. The tran
Hello.I have database access assignment which consist of creation Form, Subform, Calculation, Macros
What does conceptual design work? A conceptual design involves modelling independent of the DBMS.
i want notes on this topic
explain participation constraints with examples
All edges of a cube are expanding at a rate of 6 centimeters per second. How fast is the surface area changing when each edge is (a) 2 centimeters and (b) 10 centimeters?
What is the meaning of Data independence? Data independence means a programs that are not dependent on the physical attributes of data and a programs that are not dependent on
need to get answer for questions 3&4 on this page in part 1
Limitations of File Based System The file-based system has some limitations. The limitations are listed as follows: Isolation and separation of data: When the data is
Discuss the types of integrity constraints in which must be checked for the update operations - Insert and Delete. Give examples. Insert operation can violet any of the subse
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