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What is called bit-level striping?
Data striping having of splitting the bits of every byte across multiple disks. This is known as bit-level striping.
why we fregment at all?
Draw an EER diagram that captures the "is-a" hierarchy of students in another simple database. The database captures both the "basic" information (say, student ID and student name)
Define a property that is not a property of transactions? Ans: Concurrency is not a property of transactions
Discuss the importance and characteristics of database backup and recovery procedures, then describe the actions that must be detailed in backup and recovery plan
Example :; transfers transfer_amount from x's account to y's account ; Supposes x&y both accounts exist TRANSACTION (x, y, transfer_amount) Start transaction IF X AND Y
Write an sql statement to find what is the percentage of home policies which are from the state of Arizona out of all Home policies by Policy Value.
Consider a typical sales invoice that would include the following information. Design a single table to hold all of the information required to store an invoice including this info
What is difference between TRUNCATE and DELETE? - Truncate can't be rolled back whereas Delete can be. - Truncate keeps the lock on table whereas Delete keeps the lock on ea
We face problem of stock Opening balance and closing balance in Minus
Atomicity: It describes a transaction to be a one unit of processing. We can also say either a transaction will be finished completely or not at all. In the transaction example 1
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