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Describe the two types of methods for retrieving rows in Python?
Define Two phase commit Two phase commit: To make sure atomicity, all the sites where a transaction is being executed must agree on the final outcome of the execution. The tran
What is the error handling Traditionally, bits have been sent over line lacking any error correcting scheme in physical layer. The presence of the CPU in each modem makes it po
Hi, Do you offer private tuition for DBMS?
For the relations R and S given below: R S A B C 1 4 7 2 5 8 3 6 9
List two restrictions that are applied on the modification (updation, insertion or deletion) of base tables through view. Ans: The two restrictions are: 1. If a view
What is DAG? The class-subclass relationship is shown by a directed acyclic graph.eg: employees can be temporary or permanent. We might be create subclasses temporary \and perm
which component of DBMS can be embedded in a program? The data manipulation language (DML) is a component which is embedded in a program.
What are partial, alternate,, artificial, compound and natural key? Partial Key: It is a set of attributes that can uniquely recognize weak entities and that are related to s
how to data store?
what are the topics in data management
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