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What are the responsibility of File manager?
File Manager : Manager allocation of space on disk storage and the data structures used to represent within stored on disk. It is also responsible for - - Locating block of target record - Requesting block from disk Manager - Transmitting required record to data Manager This file Manager can be implemented using an interface to the existing file subsystem provided through the O.S. of the host computer or it can involved a file subsystem written especially for DBMS.
How to design a formal and exact model How to design a formal and exact model of real-world problems by applying findings of analysis phase of OMT. The object design phase find
When a function module is activated syntax checking is performed automatically. YEs, a function module is activated syntax checking.
a project based on normalization with first, second and third normalization. There need to be a diagram also
Ask questApollo Hospitals (AH) is a popular medical service provider in Oman. AH wants to automate its business functions into an information system. The proposed information syst
Data Warehousing & Mining 1. What is the concept of knowledge discovery in database? 2. Describe the following types of Multidimensional Data Models. • Stars, Snowflakes and
What is the full form of ODBC ? ODBC stands for Open Database Connectivity.
If the deletion violates referential integrity constraint, then three alternatives are available: Default option: - refuse the deletion. It is the job of the DBMS to describ
Depending upon the rules we have found, we can classify the locks into two types. Shared Lock: A transaction might be acquiring shared lock on a data item in order to read it
Package classes and associations into models Programs are made of separate physical units which could be edited, imported, complied or otherwise manipulated. The careful part
Add generation capabilities and/or tailor the built-in functionality of generator. This enables you to produce "all" the test data for the MySQL tables you produced in the previous
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