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Preliminary entities and attributes of human resourse management database management system
Compare the two log-based recovery schemes in terms of ease of implementation and overhead cost. Ans: There are two types of log based recovery techniques: deferred update
1) Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pict
What is called block-level striping? Block level striping stripes blocks across many disks. It treats the array of disks as a large disk, and provides blocks logical numbers
a) Suppose we updated the catalog tables in real time, that is, after every update, insert, or delete SQL statement were executed-rather than only running RUNSTATS once every few
Assume that you are responsible for selecting a new DBMS product for Sohar Hospital
What is Normalization? Database normalization is a data design and organization method applied to data structures based on rules that help building relational databases. In rel
Define a property that is not a property of transactions? Ans: Concurrency is not a property of transactions
What is the error handling Traditionally, bits have been sent over line lacking any error correcting scheme in physical layer. The presence of the CPU in each modem makes it po
How external/conceptual mapping and conceptual /internal mapping is performed
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