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What are the two approaches to store relations in distributed database?
a) Replication
b) Fragmentation
The State of Newyork certifies firefighters throughout state keep track all of them, as well as the state’s of fire departments. Each fire department has unique department number
WHAT IS DATABASE TECHNOLOGIES
Why older data models are being replaced by new data modelling 100 words accepted#
What is a dataset? A dataset is an in-memory database that is disconnected from any regular database, but has all the significant characteristics of a regular database. Dataset
#question benefits and limitations of data models..
Differentiate between Key and superkey? Key and superkey - A key a single attribute or a combination of two or more attributes of an entity set in which is used to identify o
What is called a query evaluation plan? A sequence of primitive operations that can be used to assess a query is a query evaluation plan or a query implementation plan.
Hi is anyone well versed in accounting information systems available now to help me work through an important assignment due tomorrow at noon?
Draw the precedence graph of the following schedule and determine whether the schedule is serializable. (Note that all instructions, except lock and unlock, are omitted. We assume
What is trigger Triggers are statements that are implemented automatically by the system as the side effect of a change to the database.
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