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Load sample data into the database tables design and test queries to return the following information • All rows and columns for employees • All rows and columns for customers •
How to draw an ER diagram to a finance companz
#what is cursor its uses ? Explain it
WRITE SHORT NOTES ON INDEX STRUCTURE OF FILES? There are two basic parts of indices 1. Ordered indices 2. Hash indices Every technique must be evaluated on the bas
Explain trivial dependency? Functional dependency of the form α ->β. is trivial if α C β. Trivial functional dependencies are satisfied by all the relations.
Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4
coventions for displaying an ER schema as ER diagram
Explain degree of relation? Degree of a Relation - The degree or arity of a relation is the number of attributes n of its relation schema.
Describe Interfaces for the DBA? Interfaces for the DBA - Most database systems holds privileged commands which could be used only through the DBA's staff. These involves com
Self-Join: In a self join a table is joined with itself. Let consider the following sample partial data of EMP table EMPNO ENAME MGRID
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