Essay about Data Basing 101

We can highlight some insight right away by just looking at table 1. A quick overview of the attributes’ path-worths values :

Same Domain Values: Data within a column adheres to a single domain. For instance a geneder column will have values for gender but no other.

Step 2. Data Analysis: The data will be analyzed to determine database modeling. Step 3. Database normalization: Fields and

Phase 3: Sketch the star schema for the database and developed the database based on the star schema.

2. using the data requirements and the business rules provided, develop a conceptual model (ERD), including attribute data types and required field lengths; and

An AutoNumber field or auto incremented key in a table are used to give unique values which make each record unique.

a. Nominal: This is a measurement that has a number assigned to show something or someone else, an example of this would be one’s social security number.

* As explained throughout this course, entity relationship modeling is a critical element of database design. If the database is not properly modeled, it is unlikely that the database will be properly developed. Using this knowledge, explain the key reasons why entity relationship modeling is important, and determine at least (1) way in which it impacts the overall development of the database.

designed for flexibility, and would typically include many more attributes, even if some of them are blank for many of

| (TCO A) Projects have specific attributes. Which of the following is not an attribute?

“Multiple-type analysis is a method of estimating the value of an asset by comparing it to the values assessed by the market for similar or comparable assets. For using valuation with multiples we need to:

Identify the different types of entities, attributes, keys and relationships you will want to consider when designing the database.

(1) Every time attribute A appears, it is matched with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that:

Rather than being a list of criteria or physical attributes, it is the achievement of a series of

Understanding the business model of enterprise and identifying the entities of that model is the first step in setting up database. Requirements analysis includes tasks of determining the needs or conditions to meet. Requirement specification document will be generated at the end of this step.