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project on dbms
An instance of relational schema R (A, B, C) has distinct values of A including NULL values. then A is a candidate key or not? If relational schema R (A, B, C) has distinct val
explain various steps uses in evaluation and maintenance of MIS.
WHAT IS MEANT BY E-R MODEL
How can we Classify the operations on classes This step fundamentally means all three models functional, object and dynamic (studied in last section) must be combined so that
non numeric literals
what is 3nf
What does the extract statement do in extract datasets? The data is written to virtual memory by extract commands.
Project Description: This is a Customer Management project. Customer data is presented in a text file. The program can load this text data into its database columns. The data ma
Equi Join: A join in which the joining condition is based on equality among values in the common columns. Common columns show (redundantly) in the result table. Let us Consider th
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