WGU c170

This WGU C170 Data Management (Applications) Test Exam guide provides the latest 2026/2027 updates with verified answers and rationales for students studying SQL, database management, and data applications. It covers essential topics such as SQL SELECT statements, WHERE clauses, GROUP BY queries, aggregation functions, and database query optimization. Perfect for exam preparation, this PDF includes high-yield practice questions with detailed explanations to ensure mastery of database manageme...

WGU C170 BASIC SQL QUESTIONS AND ANSWERS

C170 WGU QUESTIONS & ANSWERS

WGU C170 TERMS QUESTIONS & ANSWERS

WGU C170 EXAM QUESTIONS & ANSWERS

C170 - Pre-assessment SQL Refer to the given SQL statement. SELECT t1., t2. FROM t1 LEFT JOIN t2 ON t1.i1 = t2.i2 What does the LEFT JOIN statement do? A. It selects the rows in Table 1 numbered the same as Table 2. B. It selects only the rows in Table 1 that are the same as Table 2. C. It selects all of the rows in Table 1 and the matching rows in Table 2. D. It selects the rows in both Tables that have numerical data that is left-aligned.

WGU C170 (2025) ACTUAL EXAM comprehensive questions and verified accurate solution (detailed & elaborated) 2025 TEST!!

WGU C170 CHAPTER 6 QUESTIONS AND ANSWERS LATEST UPDATE atomic attribute An attribute that cannot be further subdivided to produce meaningful components. For example, a person's last name attribute cannot be meaningfully subdivided. atomicity The transaction property that requires all parts of a transaction to be treated as a single, indivisible, logical unit of work. All parts of a transaction must be completed or the entire transaction is aborted. Boyce-Codd normal form (BCNF) A spec...

WGU C170 CHAPTER 3 QUESTRIONS AND ANSWERS LATEST UPDATED alias An alternative name for a column or table in a SQL statement. ALTER TABLE The SQL command used to make changes to table structure. When the command is followed by a keyword (ADD or MODIFY), it adds a column or changes column characteristics. AND The SQL logical operator used to link multiple conditional expressions in a WHERE or HAVING clause. It requires that all conditional expressions evaluate to true. authentication T...

WGU - C170 - DATA MANAGEMENT APPLICATIONS Create Database Syntax CREATE DATABASE db_name; Simple SFW query syntax SELECT * FROM db_name WHERE column_name operator value; Cardinality: Inside or outside? Outside Modality: Inside or outside? Inside What commands are used with data definition? create, alter, drop, truncate, comment, rename What commands are used with data manipulation? Select, Insert, Update, Delete, Merge, Call, Explain Plan, Lock Table Create Table Syntax CREATE ...

WGU C170 - DATA MANAGEMENT - APPLICATIONS Domain In data modeling, the construct used to organize and describe an attribute's set of possible values. Primary key (PK) An identifier composed of one or more attributes that uniquely identifies a row. Also, a candidate key selected as a unique entity identifier. A minimal superkey. Key One or more attributes that determine other attributes. Determination The role of a key. In the context of a database table, the statement "A determin...

WGU C170 QUESTIONS AND ANSWERS LATEST UPDATE Associative Entity All relationships for the (...) entity should be many. Attribute An (...) is a property or characteristic of an entity. Binary relationship A (...) is a relationship between two entity types. Cardinality (...) represents the maximum number of entities that can be involved in a particular relationship. Cascade Delete Will delete all records that reference the primary key Database A (...) is a collection of information...

WGU C170 QUESTIONS AND ANSWERS LATEST UPDATE 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? Many-to-many Which kind of relationship is displayed in this entity-relationship diagram? Many-to-many unary Which kind of relationship is displayed in this entity-relationship diagram? Unary one-to-one How is this portion of the entity-relationship diagram read, from left to r...

WGU Data Management - Applications - C170 OA GSA1 Add New Row INSERT INTO table_name (column1, column2, ...) VALUES (value1, value2, value3, ...); Update Row UPDATE table_name SET column1 = value1, column2 = value2, ... WHERE condition; Delete Row DELETE FROM table_name WHERE condition; Inner Join SELECT column_name(s) FROM table1 INNER JOIN table2 ON n_name = n_name; CREATE VIEW CREATE VIEW viewname AS SELECT Col1, Col2 FROM table WHERE condition; Concat...

WGU Course C170 - Data Management (Applications) Quizlet by Brian MacFarlane 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? A One-to-one B One-to-many C One-to-one binary D Many-to-many D Which kind of relationship is displayed in this entity-relationship diagram? A Many-to-many unary B Many-to-many binary C One-to-one unary D One-to-one binary A Which kin...

WGU C170 Terms.|Latest Update Complete with A+ Graded Answers Associative Entity All relationships for the (...) entity should be many. Attribute An (...) is a property or characteristic of an entity. Binary relationship A (...) is a relationship between two entity types. Cardinality (...) represents the maximum number of entities that can be involved in a particular relationship. Cascade Delete Will delete all records that reference the primary key Database A (.....

WGU C170 Data Management - Applications|Latest Update Complete with A+ Graded Answers Domain In data modeling, the construct used to organize and describe an attribute's set of possible values. Primary key (PK) An identifier composed of one or more attributes that uniquely identifies a row. Also, a candidate key selected as a unique entity identifier. A minimal superkey. Key One or more attributes that determine other attributes. Determination The role of a key. In the c...

WGU C170 Chapter 2.|Latest Update Complete with A+ Graded Answers binary relationship An ER term for an association (relationship) between two entities. For example, PROFESSOR teaches CLASS. cardinality An attribute that can be further subdivided to yield additional attributes. For example, a phone number such as may be divided into an area code (615), an exchange number (898), and a four-digit code (2368). Compare to simple attribute. composite identifier In ER modeling, a key co...

WGU C170 Chapter 1|Latest Update Complete with A+ Graded Answers AREA In DB2, a named section of permanent storage space that is reserved to store the database. associative entity See composite entity. bridge entity See composite entity. candidate key A minimal superkey; that is, a key that does not contain a subset of attributes that is itself a superkey. See key. closure A property of relational operators that permits the use of relational algebra operators on existin...

WGU C170 - Data Management Applications.|A+ Graded Update 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? Many-to-many Which two examples are attributes? An employee number; A meeting code Which delete rule sets column values in a child table to a missing value when the matching data is deleted from the parent table? Set-to-null Refer to the given SQL statement. ...