Wednesday, May 18, 2016

MTA Exam 98-364: Database Fundamentals

Understand core database concepts
Create Database Objects
Manipulate data
Understand data storage
Administer a database

Understand core database concepts

Understand how data is stored in tables
Understand what a table is and how it relates to the data that will be stored in the database; columns/fields, rows/records

Understand relational database concepts
Understand what a relational database is, the need for relational database management systems (RDBMS), and how relations are established

Understand data manipulation language (DML)
Understand what DML is and its role in databases

Understand data definition language (DDL)
Understand how T-SQL can be used to create database objects, such as tables and views

Create Database Objects

Choose data types
Understand what data types are, why they are important, and how they affect storage requirements

Understand tables and how to create them
Purpose of tables; create tables in a database by using proper ANSI SQL syntax

Create views
Understand when to use views and how to create a view by using T-SQL or a graphical designer

Create stored procedures and functions
Select, insert, update, or delete data
Manipulate data

Select data
Utilize SELECT queries to extract data from one table, extract data by using joins, combine result sets by using UNION and INTERSECT

Insert data
Understand how data is inserted into a database, how to use INSERT statements

Update data
Understand how data is updated in a database and how to write the updated data to the database by using the appropriate UPDATE statements, update by using a table

Delete data
Delete data from single or multiple tables, ensure data and referential integrity by using transactions

Understanding data storage

Understand normalization
Understand the reasons for normalization, the five most common levels of normalization, how to normalize a database to third normal form

Understand primary, foreign, and composite keys
Understand the reason for keys in a database, choose appropriate primary keys, select appropriate data type for keys, select appropriate fields for composite keys, understand the relationship between foreign and primary keys

Understand indexes
Understand clustered and non-clustered indexes and their purpose in a database

Administer a database

Understand database security concepts
Understand the need to secure a database, what objects can be secured, what objects should be secured, user accounts, and roles

Understand database backups and restore
Understand various backup types, such as full and incremental, importance of backups, how to restore a database