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Explain the Cascadeless Schedule A cascadeless schedule is one in which for every pair of transactions Ti and Tj like that Tj reads a data item before written by Ti, the commit
What is recursive closure? Why is it not possible to describe this operation in relational algebra? Recursive closure is applied to recursive relationship. An instance of rec
what is natural join?
Define shadow paging. An alternative to log-based crash recovery method is shadow paging. This technique requires fewer disk accesses than do the log-based methods.
which component of DBMS can be embedded in a program? The data manipulation language (DML) is a component which is embedded in a program.
i am not clear with the climetic condition of the north indian plain. can u plz explain it for me
Project Description: My VBulletin forum was hacked, and soon after my server machine died. So, I'm now on a new machine, and I think that I've taken care of 99% of the hacking..
What is data independence? Data Independence: Techniques which permit data to be changed without affecting the applications in which procedure it. There are two types of data
Removing a Synonym: DROP SYNONYM D30;
What is recovery management component? Ensuring durability is the responsibility of a software component of the base system known as the recovery management component.
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