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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 as recursive partitioning.
what are the reasons having variable length records
The aims of the project are: 1. To enable the students to undertake the detailed design of a specific plant or process 2. The design projects includes: process selection; und
One-to-one relationship: For every 1:1 relationship type R in the ER diagram including two entities E1 and E2 we take one of entities (say E1) preferably with total participatio
What is transaction? Collections of operations that form a single logical unit of work are known as transactions.
Draw the database using the ER approach and then make the tables accordingly. Populate the tables so that every table have at least 10 tuples. Then using Java and SQL, execute the
Failure Controlling Methods: Failures can be handled using different recovery methods that are talk about later in the unit. But the first question is doing we really require recov
Which is the properties of entities? Attributes is the properties of entities.
Define the five basic operators of relational algebra? Five basic operators of relational algebra are: 1. Union (∪∪∪∪) - Selects tuples which are in either P or Q or in both
Explain I command in QBE ? I : It is the command in QBE that is used to insert tuple (s) into the database
1.Suppose you are given a dataset that consists of a random sample of tasters, on which the following variables were obtained: (y) Zpref = taste preference for green beans store
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