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Redo Logs: Any database must have minimum two redo logs. These are the rules for the database; the redo logs record all modifies to the system objects or user objects. If any type
1.Suppose you are given a dataset that consists of a random sample of tasters, on which the following variables were obtained: (y) Zpref = taste preference for green beans store
usecase diagram,activity diagraM,SEQUENCE DIAGRAM
A file of employee have 10,000 blocks on a cylinder of a disk with characteristics r=8ms and btt=0.6ms I want to know the cost of read inthe file under following conditions for a q
What is Management System? A management system is a set of rules and process which help us to create organize and manipulate the database. It also helps us to add, change delet
List the drawbacks of relational database system A) Repetition of data B) Inability to s certain information.
What is a primary index? A primary index is an index whose search key also explains the sequential order of the file.
Define a property that is not a property of transactions? Ans: Concurrency is not a property of transactions
Special comparison operator used in where Clause a. between. ...and...It gives range among two values (inclusive) Example: SELECT ENAME, SAL FROM EMP WHERE SAL BETWE
how design database from begining
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