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er diagtram for icici
What function divides one numeric expression by another and returns the remainder? MOD function divides one numeric expression by another and returns the remainder.
coventions for displaying an ER schema as ER diagram
State The position of object at any moment is called state. An object can have many states depend upon time. After receiving some input instructions, the object can change its
MOSS VALE is a town with 15000 inhabitants. The fire department wishes to develop a system that automates the despatch of fire engines to attend fires. The ERD below describes the
Section A: Use the following tables to create a database called College. Use SQL commands. Student stuid(primary) lastName firstName
Explain the three data models namely relational, network and hierarchical and evaluate their relative advantages and disadvantages. Hierarchical Model: In hierarchical model, da
what is lossless & dependency preserving decomposition ?
Create centralized relational database using bottom up method. (a) Recognize a single un-normalized relation for the above scenario. (b) Recognize the primary key for
Explain CNT in the respects of QBE ? CNT: It is one of the aggregation commands given in QBE. It is used to identify number of tuples
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