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UTA INSY 3304 Exam 2 With Complete Solutions 100% Correct
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UTA INSY 3304 Exam 2 With Complete Solutions 100% Correct...
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UTA INSY 3304 Exam 2 With CompleteSolutions 100% Correct
Normalizations (3) - ANSWER -evaluating and correcting table structures to minimize
data redundancies
-1nf
-2nf
-3nf
1NF (First Normal Form) - ANSWER Table Format. No repeating groups and a primary
key identified.
2NF (Second Normal Form) - ANSWER 1NF and no partial dependencies
3NF (Third Normal Form) - ANSWER 2NF and no transitive dependencies
Dependencies (4) - ANSWER -Functional Dependency
-Full Functional Dependency
-Partial Dependency
-Transitive Dependency
Functional Dependency - ANSWER The attribute B is fully functionally dependent on the
attribute A if each value of A determines one and only one value of B.
Full Functional Dependency - ANSWER If the attribute B is functionally dependent on
composite key A but not on any subset of that composite key, then the attribute B is fully
functionally dependent on A.
, Partial Dependency - ANSWER functional dependence in which determinant comprises
only part of the primary key
Transitive Dependency - ANSWER attribute depends on another attribute that is not part
of primary key
DDL (Data Definition Language) - ANSWER That part of SQL used for creating and
modifying the objects of database such as tables, views, functions and stored
procedures
DML (Data Manipulation Language) - ANSWER A part of SQL used to query, insert,
update and remove data in a database
CREATE DATABASE - ANSWER The SQL command for creating a database
CREATE DATABASE databasename;
CREATE TABLE - ANSWER Creates a new table in the user's database schema
CREATE TABLE tablename (as)
ALTER TABLE - ANSWER Modifies the definition of a table by adding, modifying or
deleting attributes or constraints.
ALTER TABLE table_name
ADD column_name datatype;
or ALTER COLUMN column_name datatype;
or DROP COLUMN column_name;
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