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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
Single-Valued Dependencies A database is a collection of related information and it is therefore inevitable that some items of information in the database would depend on some
With the help of a diagram defines the typical element modules of a DBMS? The functional elements of a database system can be widely divided into: 1) Storage manager and 2) q
Can a filed occur in several field groups. Yes. But it leads to redundant data redundancy.
Assume that you are responsible for selecting a new DBMS product for Sohar Hospital
Saving Derived Attributes to Avoid Re-computation As discussed, "redundancy means duplication of exact data". But, if multiple copies of same data are present in the system,
With the help of an example display how records can be deleted and updated in QBE. (i) Increase Pay_Rate of employees along with the skill of ‘cook' by 10%. (ii) Delete employee
Create student database and retrieve course name taught by king? STUDENT (name, student#, class, major) COURSE (course name, course#, credit hours, department) SECTION (secti
Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4
Many-to-many : Entities in A and B are related with any number of entities from each other. Example: Taught_by Relationship among course and faculty. One faculty member ca
In an E-R diagram an entity set is represent by? In an E-R digram entity set is represted by rectangle.
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