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 (Th...
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.
INSY 3304 MIDTERM EXAM QUIZZES AND ANSWERS
, INSY 3304 MIDTERM EXAM QUIZZES AND ANSWERS
Full Functional Dependency - answer-✔If attribute B is functionally dependent on
a composite key A but not on any subset of that composite key, the attribute B is
fully functionally dependent on A.
Partial Dependency - answer-✔functional dependence in which the determinant is
only part of the primary key
Transitive Dependency - answer-✔attribute is dependent on another attribute that is
not part of the primary key
DDL (Data Definition Language) - answer-✔A part of SQL that is used to create
and modify objects of a database such as tables, views, functions and stored
procedures
DML (Data Manipulation Language) - answer-✔A part of SQL that is used query,
insert, update and remove data from a database
CREATE DATABASE - answer-✔The SQL command to create 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 a table's definition (adds, modifies, or deletes
attributes or constraints)
INSY 3304 MIDTERM EXAM QUIZZES AND ANSWERS
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