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Provide Examples of different types of Time and Date formats.
It's most common store dates using a dash (-) as a colon (:)and the delimiter as the time delimiter. The given formats can as well be used.
2008-10-23 10:37:22
20081023103722
2008/10/23 10.37.22
2008*10*23*10*37*22
When are two schedules said to be view equivalent? Ans: Two schedules that is denoted as S and S' are said to be view equivalent if the subsequent three conditions are met
Example : Create a sequence named SEQSS that starts at 105, has a step of 1 and can take maximum value as 2000. CREATE SEQUENCE SEQSS START WITH 105 INCREMENT BY 1 MAX VA
Question: (a) Why is it important to know the architecture rather than to start requirement capture when designing a large scale system? (b) Who are the different people in
Question 1 Indexes are ocasionally defines on a single field of a file called an indexing field. List and describe the different types of indexes Question 2 Consider a book i
Write short note on Events Events consist of inputs, interrupts, decisions and actions performed by any external device or users. Every event always has a sender and receiver.
Process of normalization is the integral part of designing a database. Justify this statement with suitable database design
Why a report generator is used ? Report generator is used for print files on paper.
Define database management system? Database management system (DBMS) is a set of interrelated data and a combination of programs to access those data.
Explain CNT in the respects of QBE ? CNT: It is one of the aggregation commands given in QBE. It is used to identify number of tuples
Q. Explain data aggregatio n and discuss different design constraints. Sol. Aggregation One limitation of the E-R model is that it cannot express relationships amon
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