WGU C170

WGU c170 The Most Important SQL Commands (SQL study guide) Already Passed

PRE-ASSESSMENT: DATA MANAGEMENT - APPLICATIONS (FJO1) PFJO Attempt #1 Status: Not Passed 1. A salesperson is authorized to sell many products and a product can be sold by many salespersons. Which kind of binary relationship does this scenario describe? YOUR ANSWER CORRECT ANSWER One-to-one One-to-many Many-to-many One-to-one binary 2. Which kind of relationship is displayed in this entity-relationship diagram? YOUR ANSWE R CORRECT ANSWER One-to-one binary One-to-one unary...

WGU C170 Objective Assessment – Edward M Burke First Normal Form – 1 Table I gleaned this table from the unstructured data contained within the order form. I made sure not to have any redundant groups, and each column in the table will contain atomic values. Donut ID, Donut Name, Donut Quantity, Unit Price, and Donut Description are an example of a repeating group. As I mentioned earlier, in order to achieve first normal form, we must eliminate repeating groups. This requires the use ...

Section 1 First Normal Form I gathered all the data from the sales invoice and created an unnormalized dataset. I determined the primary key that provided me with a unique value for all my records in this table. I used composite primary keys because both keys would be able to uniquely identify all the data in the table. Finally, I removed all the repeating groups and made the address atomic by creating separate fields for each one. Donut ID (PK) Donut Order ID (PK) Customer ID Order...

1NF 2NF Highlighted fields will form a Composite primary key. City State and Zip were separated And are now atomic No duplicate data, each of the above tables has a Primary Key, and a key (foreign) that can refer to another table in the group. 3NF No transitive dependency. New table has 2 of the PKs from the other tables as Foreign Keys. Each table has a primary key which can refer to another one of the tables in this group. 1:M One Customer can place many Orders ER DIAGRAM Custom...

 Normalizing a dataset  Creating an E-R Diagram  Writing CREATE TABLE statements - establishing primary and foreign keys  Establishing relationships between entities with the FOREIGN KEY REFERENCE statement  INSERTING data into tables (including multi-row INSERT statements)  Using the CONCAT function  Using aliases for table names LAB 3 - CREATE MYSQL CONNECTION You are required to take the following steps to accomplish the task: 1. On the MySQL Workbench Home windo...

WGU c170 The Most Important SQL Commands(SQL study guide)

Unary one-to-one Unary many-to-many Binary one-to-one Binary many-to-many Ternary one-to-one Ternary many-to-many 4. How is this portion of the entity-relationship diagram read, from left to right? YOUR ANSWE R CORRECT ANSWER No books are written by an author. At least one book was written by an author. One book was written by more than one author. Only one book was written by one author. 5. Which two examples are attributes? Choose 2 answers YOUR ANSWE R CORRECT ANSWER ...

Highlighted fields will form a Composite primary key. City State and Zip were separated And are now atomic No duplicate data, each of the above tables has a Primary Key, and a key (foreign) that can refer to another table in the group. 3NF No transitive dependency. New table has 2 of the PKs from the other tables as Foreign Keys. Each table has a primary key which can refer to another one of the tables in this group. 1:M One Customer can place many Orders ER DIAGRAM Customer table ...