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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
WHAT IS DATABASE TECHNOLOGIES
What is the use of rename operation? Rename operation is used to rename both relations and an attributes. It uses the as clause, taking the form: Old-name as new-name.
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To delete a particular column in a relation which command is used ? To delete a particular column in a relation ALTER command is used.
Describe relational model? Structure of relational data base Basic structure Database schema Keys Schema diagram Query languages
what is natural join?
State the Steps of Object Design Object design is a very iterative process in which various classes, relationships among objects are added when you move from one level to
1. Based on the dependency diagram, create a database whose tables are in at least 2NF, showing the dependency diagram for each table (as shown in class). Label the types of depe
Which types of data supported by MySQL for Time and Date formats? MySQL supports a number of time and date column formats: Some of them are 1) DATE 2) DATETIME 3) TIM
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