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What is Relational DBMS
This is our subject of study. A DBMS is relational if the data is organized into relations, that is, tables. In RDBMS, all data are kept in the well-known row-column format.
The Internal or Physical Level The collection of files permanently stored on secondary storage devices is called as the physical database. The internal or physical level is t
Illustrate how you can use QBE to perform logical AND and OR operation
definition and its work
Find the names of all Albums that have more than 30 tracks. Result: (name: varchar(255))
Define Forms Based Interfaces? Forms-Based Interfaces - A forms-based interface display a form to each user. Forms are commonly designed and programmed for naive users and inte
Where does view definition stored? A view definition is permanently stored as part of the database.
draw er diagram using entities crop,employee,department,plot,cultivation plan,machinery,seed,fertilizer
Gaps in sequence values can happen when: - A rollback happens that is when a statement changes are not accepted. - When the system crashes - When a sequence i
About Attribute inheritance
Can we delete data element, which is being used by table fields. No we cant delete data element.
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