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What are the DBMS languages? Explain.
Ans: a) Data Definition Languages (DDL): It is employed to specify database schema for example CREATE DROP statements etc.
b) Data Manipulation language (DML): DML is employed to express database queries and update. For example: SELECT, UPDATE, DELETE statements, etc.
Compare three clustering algorithms in Weka. For this comparison, you will need to use at least two different datasets. Run the algorithms on the datasets, and use the visual
The definition of the classes and operation can often be adjusted to increase the amount of inheritance". Justify the above statement. Adjustment of Inheritance The def
In this assignment, you will create a program that works with multiple tables. In this assignment, you will work with the factory and sales tables. 1. Create a new project nam
Forward Recovery (Redo): In this system the committed changes made by a transaction are reapplied to a previous copy of the database. In simpler
external and internal mapping with examples
A video rental company has several branches. The data held on each branch is the branch address made up of street, city, state, and zip code, and the telephone number. Ea
note on hashing technique
Explain controlled redundancy? Controlled redundancy : The replication of data within the data warehouse for the purposes of improved data access or understand ability.
Process of implementing system design in dynamic models There are three essential approaches to implementing system design in dynamic models. These approaches are as below:
Define data model? A data model is a collection of conceptual tools for explaining data, data relationships, data semantics and consistency constraints.
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