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UOFG_DATABASE_SYSTEMS

This class was created by Brainscape user michal wozniak. Visit their profile to learn more about the creator.

By: michal wozniak
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Decks in this class (14)

Lecture 1 - Contextual Database
What does a database hold,
What do we need to be able to do ...,
What is the fundamental functiona...
15  cards
Lecture 1 - Relational Model
Any entity and any relationship a...,
What does a 2d table in a relatio...,
What is a query
12  cards
Lecture 1 - Relational Constraints
What are relational constraints,
How many fundamental constraints ...,
What are the 3 fundamental constr...
13  cards
Lecture 2 - Relational Schema Good Or Bad
What performance metrics may we l...,
Guidelines for good design of a r...,
Explain what is meant by the firs...
7  cards
Lecture 2 - Functional Dependency
What is functional dependency,
What is functional dependency in ...,
Notation for functional dependenc...
13  cards
Lecture 2 - Normalisation Basics
What is another name for normaliz...,
What is the degree of normalization,
What degrees of normalization do ...
18  cards
Lecture 3 - SQL CREATE
What type of language is sql,
Statement for creating a schema i...,
Each statement ends with a what i...
15  cards
Lecture 3 - SQL SELECT
Select statement in sql,
Select statement with join select,
Can tables be treated as variable...
9  cards
Lecture 3 - 3-valued SQL and NULL
What is the three valued logic of...,
What is the principle of null values,
What do we need to adopt to compa...
8  cards
Lecture 3 - Nested Queries
What is a nested inner query,
What are the two types of nested ...,
What is in
12  cards
Lecture 4 - Joins
What is an inner join,
What is equijoin,
Example of inner equi join
11  cards
Lecture 4 - Aggregate Functions
What are aggregate functions,
Examples of aggregate functions,
What is special about count x
5  cards
Lecture 4 - Groupings
The process of grouping is,
What is the statement that can be...,
Example of grouping by departemen...
10  cards
Lecture 4 - Having
What is having,
Example of having show the number...,
What is wrong with this query sel...
4  cards

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UOFG_DATABASE_SYSTEMS

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