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The traffic data mgmt. systems infrastructure plan describes the software, hardware, data network, and other elements that will support the TDMS. The infrastructure plan is based on the results of the gap analysis and on the project budget.
When the logical model is built, then star schema traffic architecture will be used as a default schema and dimension will be created. All these requirements will be included in the physical data model.
The objective of this project is to facilitate the administration staff of the TDMS to enhance their performance while compiling the results and maintenance of each quadrant. This system also helps in maintaining the inventory records and equipment records for the particular areas and concerns. The TDMS will help in building reports very quickly and real time data can be analyzed in no time as well as the historical data is also available.
Define Shared locks? Ans: Shared lock: Throughout concurrent execution of transactions, earlier than a transaction can access a data item, it has to obtain a lock on it. Now he
What is known as clustering file organization? In the clustering file organization, records of several dissimilar relations are stored in the similar file.
Spanned and unspanned organisation? Spanned and unspanned organization: If records are not permited to cross block boundaries then the organisation is called unspanned record
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
Explain what is Aggregation ? Aggregation: This is used whenever we intend to show a relationship between an entity and the relationship. There is no provision for this in th
What is the difference among a primary index and a secondary index? Primary Index: A primary index is an ordered file whose records are of fixed length along with two fields.
What are the two types of errors? The two types of errors are: a) Logical error b) System error
in an organization several projects are undertaken. Each project can employ one or more employees. Each employee can work on one or more projects. Each project is undertaken on the
What is Functional Dependency? A Functional dependency is shown by X Y among two sets of attributes X and Y that are subsets of R specifies a constraint on the possible tuple
Question: Consider the following database relations for a textbook ordering system used by a college bookshop: Book (b-copy#, bname, ISBN#, author, price, subject) Order (s#
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