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Explain I command in QBE ?
I : It is the command in QBE that is used to insert tuple (s) into the database
why are older data base model are being replaced by new data model
WHAT IS DSS? WRITE ITS REQUIREMENTS.
What is a primary key? Primary key is chosen by the database designer as the principal means of identifying an entity in the entity set.
(a) Data Mining Process : In the context of this cluster analysis project , and in your own words , explain how you would execute the first stage of data mining, namely the "P
The State of NewYork certifies firefighters throughout state and keep track all of them, as well as of the state’s fire departments. Each fire department has unique department numb
What is an object ID? Each class-derived table has an ID for primary key, one or more object IDs form primary key for association derived tables. An object ID is equivalent dat
Properties of a Transaction A transaction has four main properties. These are: Atomicity Consistency Isolation or Independence Durability or Permanen
Ask q“A database will be made to store information about patients in a hospital. On arrival, each patient’s personal details (name, address, and telephone number) are recorded wher
give some example real-life situations where DBMS are most suiitabe
Types of data independence Data independence can be classified into the following two types: Physical Data Independence: This means that for any change made in the physi
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