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What is transaction?
Collections of operations that form a single logical unit of work are known as transactions.
Explain the difference between the three storage types - volatile, non volatile and stable. Ans: Volatile storage: if storage media loses data while power goes off,
Consider a typical sales invoice that would include the following information. Design a single table to hold all of the information required to store an invoice including this info
Fundamentals of Database Management 1. Explain the concept of Foreign Key. How a foreign key differs from a Primary Key? Can the Foreign Key accept nulls? 2. With a necess
create an er diagram for production management in film industry
What is horizontal fragmentation? Horizontal fragmentation divides the relation by assuming every tuple of r to one or more fragments
What is an E-R model? Draw an E-R Diagram for the company database with following Descriptions? The company is organized within departments. Each department has a unique name a
The Maximum no of key fields that can be used in a header is?? 50
Benefits and limitations
Sequential File Organisation The most necessary way to organise the collection of records in a file is to use sequential Organisation. Records of the file are stored in series
is Chipo carrying his baby
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