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Define Shared locks? Ans: Shared lock: Throughout concurrent execution of transactions, earlier than a transaction can access a data item, it has to obtain a lock on it. Now he
i want to database for online assignment submission system
examples of fields in a database
compare the features of oracle RDBMS with MySQL and Microsoft SQL server
We face problem of stock Opening balance and closing balance in Minus
cardnality ratio for humanresource mangement system
let us consider a table having 2200 records and the fixed size of the table to be considered as 25.then how many numbers of table is requredto perform horizontal fragmentation
Objectives After reading this unit you should be able to: Explain storage of databases on hard disks; Discuss the execution of various file Organisation techniques;
Discuss the count function? The COUNT function used returns the number of tuples or values fixed in a query. The count function comprises two types of syntax: (1) COUNT (*)
What is the difference between link and reference? The fundamental difference between links and references is that links are symmetrical on the other hand references refer only
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