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What is transaction?
Transaction is a unit of program implementation that accesses and possibly updated several data items.
In an E-R diagram an entity set is represent by? In an E-R digram entity set is represted by rectangle.
basic structure of xml
What are the disadvantages of file processing system? The drawbacks of file processing systems are a) Data redundancy and inconsistency b) Complexity in accessing data
Entity types that do not have any key attribute, and therefore cannot be identified independently, are known as weak entity types. A weak entity can be recognized uniquely only by
Product adder required for Ecommerce website Project Description: Want a product adder for 500 products I have a magento website and need products pulled from site A to my si
Data Scrubbing 70,000 records Project Description: We need services of a developer competent in data cleansing/Data scrubbing. Scope: - 70,000 records in CSV format.
Which model is record based logical model? Network Modelis basically known as record based logical model.
How many types of Views are there? There are Four types of views:- Database View Help View Projection View Maintenance View
Decompose the table with the following description and functional dependencies into a set of equivalent tables normalized to 3NF or BCNF. A long-standing international treaty am
What are ways of finding out either an update is required or not for derived attributes? The ways to find out an update is required or, not are as: Explicit update
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