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Describe the iterative and incremental life cycle
For an iterative and incremental life cycle, two criteria are process and time. The main components of showing a project development along with inception, time scale, elaboration, transition and construction. When project is structured along with process scale then the major steps are business modelling, analysis and design, requirements, implementation, testing and deployment. The mapping between process and time scale can be shown diagrammatically for more clarity.
The issues relating to the Design of the Physical Database Files Physical File is a file as stored on the disk. The major issues relating to physical files are: • Cons
State the Object Design for Processing The object design phase comes after analysis and system design phase. The object design phase includes implementation details like as i
Define shadow paging. An alternative to log-based crash recovery method is shadow paging. This technique requires fewer disk accesses than do the log-based methods.
what is definition hierarchical data model
At its most essential level the DBMS architecture can be divide into two parts: the back end and the front end. The back end is responsible for managing the physical database an
What is a view in SQL? When can views be updated? A view is a virtual table which consists of columns from one or more tables. Through it is same to a table; it is stored in
#Use the following database schema: 1) Patient—PatientID, Name, DOB 2) Doctor—DoctorID, Name, MedLicenseNumber, Phone 3) Medication—MedicationID, BrandName, GenericName 4) Prescrip
Run the following queries. For each query show 1) What you expect the output to be based upon the data 2) the SQL code and 3) the output running the query in Oracle. 1. Show all c
What are the advantages and disadvantages of merging an association into a class? Advantages: i) Less number of tables ii) Faster performance due to the fewer tables
what are information system hirarchy?
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