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What is Interaction Diagram
An interaction diagram shows an interaction, comprises of a set of objects and their relationships including the messages that may be dispatched between them. These diagrams could be used to model dynamic aspect of system. It contains sequence diagrams and collaboration diagrams. Here we will discuss two interaction diagrams i.e. sequence diagrams and collaboration diagrams.
Operator Precedence The basic operators used in SQL are * / - + Operators of the similar priority are evaluated From Left to right Parentheses are used to force priorit
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
Primary index A primary index is a file that has a sorted series of records having two columns: a block address for that key field in the data file; and the ordering key field.
What are called journaling file systems? File systems that support log disks are known as journaling file systems.
explain various steps uses in evaluation and maintenance of MIS.
Concurrency issues Data integrity: Threads accessing same object need to be synchronized, such as: banking account. Deadlock: One or more threads in system are perman
why are older data models are being replaced by new data models
ADVANCE OBJECT DESIGN Introduction Analysis is the initial step of the OMT methodology. It is apprehensive with devising a precise, concise, correct and understandable mo
Instructions: Follow the instructions below for completing this project: 1. Creating the Database: · Use the physical table descriptions given below to define and create each t
Why is database redesign necessary? Database redesign is essential for two reasons. First, redesign is essential both to fix mistakes made during the initial database design. S
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