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Define access time.
Access time is the time from when a read or write request is issued to when data transfer starts.
data models are being replaced over years. Reasons and why does that happen?
What are the DBMS languages? Explain. Ans: a) Data Definition Languages (DDL): It is employed to specify database schema for example CREATE DROP statements etc. b) Dat
Which two files are used during operation of the DBMS? Data dictionary and transaction log are two files used during operation of the DBMS.
Australian Bureau of Statistics (ABS) provides retail data for different groups and different states as well as the aggregate numbers. Table 11 " Retail Turnover, State by Industry
Mention various steps required to draw an E-R Diagram. Draw an E-R Diagram for Student Information System. Mention all suitable assumptions to justify your answer.
What is Relational calculus? Relational calculus is a Non- Procedural language.
Support by Adding Indexes Multiple indexes can be used to access a data file by multiple access paths. In such a scheme only single copy of the data is consider, only the numbe
I want a professional with strong IT background who provide me timely assignments Project Description: I want a professional who can do my assignments for my major i.e. Infor
draw er diagram using entities crop,employee,department,plot,cultivation plan,machinery,seed,fertilizer
What is first normal form? The domain of attribute must contain only atomic (simple, indivisible) values.
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