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What is a view? Make a view of EMP table named DEPT 20, to display the employees in department 20 and their annual salary. Ans: View is a virtual table that does not consist
How many types of Views are there? There are Four types of views:- Database View Help View Projection View Maintenance View
#explain five disadvantages of a dbms..
I need some help with my normalization database homework.
Record based Logical Models: Use records as the key data representation components Examples: Relational Model: It shows data as well as relationship between data in the form
Strong entity set and weak entity set? Strong entity set and weak entity set: A strong entity set has a primary key. All tuples in the set are distinguishable through that key.
Find the names of all Albums that have more than 30 tracks. Result: (name: varchar(255))
i would like to ask if you will do assignment of database number of words 1500 and how much
Define Timestamp ordering Ans In timestamp-based method, a serial order is made among the concurrent transaction by assigning to every transaction a unique nondecreasing number
Design Documentation The Design Document shall be an extension of Requirements Analysis Design. "The Design Document will comprise a revised and much more detailed descrip
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