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What is Data dictionary? A data dictionary is a reserved space in a database that is employed to store information about the database itself. A data dictionary may consist o
List and also explain the dissimilar stages of DDLC ?
What is association? Give an example of association Association is used for establishing relationships among classes. Association describe links among/between classes. For exa
Construct a clean ans concise ER diagram for the database indicating the cardinality mapping for Employee management syatem
There are many simple and complex approaches to implement. These reports are based on some views or certain query. The following number of reports can be built. 1. The averag
how to write tables and drow E-R diagrams for hosiptal management system and how to normalize and cardinalities?
what are the topics in data management
A Data Model in software engineering is an abstract model that organizes and documents the business data for interaction between team members and is used as a plan for creating
What are the two types of blocks in the fixed -length representation? Define them. Anchor block: Have the first record of a chain. Overflow block: Have the records other tha
Data Manipulation Language Data manipulation language (DML) describes a set of commands that are used to query and change data within existing schema objects. In this case comm
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