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WGU C170 Data Management Applications QUESTIONS WITH COMPLETE SOLUTIONS

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WGU - C170 - Data Management Applications Create Database Syntax ans: CREATE DATABASE db_name; Simple SFW query syntax ans: SELECT * FROM db_name WHERE column_name operator value; Cardinality: Inside or outside? ans: Outside Modality: Inside or outside? ans: Inside What commands are ...

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  • May 23, 2022
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  • 2021/2022
  • Exam (elaborations)
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WGU - C170 - Data Management
Applications

Create Database Syntax ans: CREATE DATABASE db_name;

Simple SFW query syntax ans: SELECT * FROM db_name WHERE column_name operator value;

Cardinality: Inside or outside? ans: Outside

Modality: Inside or outside? ans: Inside

What commands are used with data definition? ans: create, alter, drop, truncate, comment, rename

What commands are used with data manipulation? ans: Select, Insert, Update, Delete, Merge, Call,
Explain Plan, Lock Table

Create Table Syntax ans: CREATE TABLE table_name
(
column_name1 data_type(size),
column_name2 data_type(size),
);

What does AUTO_INCREMENT attribute do for numeric values? ans: It generates a series of unique
identifier values.

CREATE VIEW SYNTAX ans: CREATE VIEW view_name AS
SELECT column_name(s)
FROM table_name
WHERE condition

Primary Key Syntax ans: CREATE TABLE table_name
(
column1 data_type(size)
PRIMARY KEY (column1)
);

Create Index Syntax ans: CREATE INDEX index_name
ON table_name(column_name)

Insert syntax ans: INSERT INTO table_name
VALUES (value1,value2,value3,...);

Grant command syntax ans: GRANT privileges ON object TO user;

Drop Syntax: Table, Index, Database ans: DROP TABLE table_name;

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