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What are the uses of the information in the Data dictionary?
The following information is directly taken from the Data dictionary:
Hi is anyone well versed in accounting information systems available now to help me work through an important assignment due tomorrow at noon?
List any two significant differences between a file processing system and a DBMS. File Processing System vs. DBMS Data Independence - Data independence is the capacity t
In E-R Diagram how derived attribute are represented ? In E-R Diagram By Dashed ellipse derived attribute are represented.
Construct a clean ans concise ER diagram for the database indicating the cardinality mapping for Employee management syatem
1. Create the tables for the play-scheme database as specified in the TMA. 2. Enter the data as given in the spreadsheet. 3. Create queries to retrieve specified information
Why containment is important in oosystems? Containment is an significant concept in oosystems because it allows dissimilar users to view data at different granularities.
What do you mean by atomicity and aggregation? Atomicity : Either all actions are carried out or none are. Users should not have to worry about the effect of incomplete trans
explain multi key file organisation
Define the terms i) Entity set ii) Relationship set Entity set: The set of all entities of the similar type is termed as an entity set. Relationship set: The set of all rela
Answer SQL Queries to extract data from data tables and questions on mapping conceptual data models into relational data model.
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