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A TDMS project plan is not a typical Information Technology project plan; therefore, a traffic data project has several unique characteristics:
The project will be developed in Oracle in all aspects. The Oracle 10g Database's Enterprise Edition will be used for the server. For development of ETL, and metadata repository Oracle 10g Warehouse Builder will be used. Report builder or discoverer will be used to create the reports that will be available using any web browser. The system will also be responsible for the data to clean on a regular basis. The operational data will be held in transaction-based systems with some function like equipment basic data, management and staff current data. Audit trial will also be managed.
When tables are created there will be some advanced indexing techniques will be used which will improve the data retrieval and overall performance of the system. Some views are to be created for the purpose of the enhancing the performance of the data.
What is a view? Make a view of EMP table named DEPT 20, to display the employees in department 20 and their annual salary. Ans: View is a virtual table that does not consist
Hardware failure : Hardware failures are the failures when some disk or hardware chip fails. This may result in loss of data. One such trouble can be that a disk gets damaged and
What are the advantages of object oriented databases in comparison with others? Why it is still not widely used? Object oriented designs are coherent, efficient and less prone
1) Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pict
What disadvantage of ODBC does OLE DB overcome? By breaking the features and the methods of a DBMS into COM objects, OLE DB characteristic overcomes a main disadvantage of ODBC
In E-R Diagram how derived attribute are represented ? In E-R Diagram By Dashed ellipse derived attribute are represented.
Strong entity set and weak entity set? Strong entity set and weak entity set: A strong entity set has a primary key. All tuples in the set are distinguishable through that key.
What are the various forms of data transparency? a) fragmentation transparency b) replication transparency c) location transparency
CAN SOMEONE HELP ME WITH ENTITY DIAGRAMS IN FIRST NORMAL FORM?
What is Trigger? Trigger: A database trigger is procedural code which is automatically executed in response to specific events on a particular table in a database. Triggers can
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