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a need some real life examples of database management systems three level of ANSI SPARC architecture life teacher and student ,company and employee or for NGO etc.
Explain the difference between using functions along with and without grouping attributes in relational algebra. Give examples. Ans: Group functions are used to group data of
What is the full form of ODBC ? ODBC stands for Open Database Connectivity.
Three way to handle missing field val
1. Determine that the Checkpoints are a part of Ans: Checkpoints are a part of Recovery measures
Explain entity integrity and referential integrity rules within relational model. Show how these are realized in SQL? Entity Integrity Rule - No primary key value could be nu
What is database Trigger? A database trigger is a PL/SQL block that can explained to automatically execute for insert, update, and delete statements against a table. The trigge
What is called as recursive partitioning? The system repeats the splitting of the input unless each partition of the build input fits in the memory. Such partitioning is known
Name the various privileges in SQL? A) Delete B) Select C) Insert D) Update
what is Lossless-join decomposition
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