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Consider the following database containing five transactions. Let min_sup = 60%. Mine all frequent itemsets using Apriori and FP-growth algorithm. Compare the efficiency of the two mining processes.
TID
Transaction
T1
a, c, d, f, g, i, m, p
T2
a, b, c, f, l, m, o
T3
b, f, h, j, o
T4
b, c, k, p, s
T5
a, c, e, f, l, m, n, p
What are the various properties of Relational tables? Relational tables have 6 properties: 1. Each row is unique. 2. Column values are of the same kind. 3. Values are
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Write short note on Events Events consist of inputs, interrupts, decisions and actions performed by any external device or users. Every event always has a sender and receiver.
what are the main characteristics of database
About Attribute inheritance
Create role named role_table that allows a user to create tables. Using role_table allow users kripa and reena to create tables. CREATE ROLE role_table; GRANT CREATE ANY TABLE
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