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Consider the relations City (city_name, state) Hotel (name, address) City_hotel (hotel_name, city_name, owner) Answer the following queries in relational algebra (i) Find
What are the properties in a relation ? In a relation Ordering of rows is immaterial and No two rows are identical.
Question 1 Explain the 10 reasons to use MySQL Question 2 Write the SQL statements to demonstrate the following using SELECT command Expression Evaluation ORDER BY
List the set operations of SQL? 1) Union 2) Intersect operation 3) The except operation
What are multiple inheritances? Multiple inheritances allow a class to inherit variables and methods from many super classes.
What are the ways in which the variable-length records arise in database systems? Storage of many record types in a file. Record types that permit variable lengths for one o
Define the Traditional System Analysis and Design Traditional System Analysis and Design (SAD) have three basic life cycle models. A typical software lifecycle consists of the
explain in detail about time stamp orderting/
Use the IRIS dataset that comes with Weka to compare the classification performance of the following algorithms. 1. NaiveBayesSimple 2. MultiLayerPerceptron J48 (
growing phase and shrinking phase are disjoint, why ?
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