Subquery can return - Study guides, Class notes & Summaries

________ use the result of the inner query to determine the processing of the outer query. Outer subqueries Inner subqueries Subqueries Correlated subqueries Subqueries An SQL query that implements an outer join will return rows that do not have matching values in common columns. T/F True A join operation: causes two tables with a common domain to be combined into a single table or view. is used to combine indexing operations. brings together data from two different fields. causes two disparat...

WGU C170 Data Management – Applications Questions and Answers Graded A+ domain In data modeling, the construct used to organize and describe an attribute's set of possible values superkey An attribute or attributes that uniquely identify each entity in a table. Any composite key with this is also this. Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:06 / 0:15 Full screen candidate key A minimal superkey; that is, a key...

C170 WGU QUESTIONS AND ANSWERS 2023 DML IUDS, CR insert, update, delete, select commit, rollback INSERT add new rows Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:05 / 0:15 Full screen UPDATE modify data of existing rows DELETE delete some/all records from database can be rolled back COMMIT permanently saves ROLLBACK undo changes SELECT data retrieval WHERE limits rows retu...

WGU C170 Basic SQL Questions and Answers 100% correct 2023 An alias is especially useful when a table must be joined to itself in a(n) ___________________ query. recursive The ___________ condition is generally composed of an equality comparison between the foreign key and the primary key of related tables. join Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:12 / 0:15 Full screen A database language enables the user to cr...

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? - correct answer Many-to-many Which kind of relationship is displayed in this entity-relationship diagram? - correct answer Many-to-many unary Which kind of relationship is displayed in this entity-relationship diagram? - correct answer Unary one-to-one How is this portion of the entity-relationship diagram read, from left to rig...

CIS 336 Final Exam mostly tested questions with answers testing papers 1. Consider the ERD below. How many tables would be required to create a query to display the customer first and last name along with orderdate of each order they placed? One Two Three Four 2. Which of the following statements is correct? (Points : 4) WHERE operates on groups formed by aggregate functions and HAVING operates on individual rows. WHERE can only be used along with HAVING. HAVING can only be used along with WHERE...

C170, WGU Full Study Pack, Questions with accurate answers, 100% Accurate, rated A+ 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 membe...

WGU C170 Data Management – Applications, Questions with accurate answers. rated A+ Document Content and Description Below WGU C170 Data Management – Applications domain Answer- In data modeling, the construct used to organize and describe an attribute's set of possible values superkey Answer- An attribute or attribu tes that uniquely identify each entity in a table. Any composite key with this is also this. candidate key Answer- A minimal superkey; that is, a key that does not contain a s...

WGU Course C170 - Data Management (Applications) Quizlet by Brian MacFarlane Document Content and Description Below 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 Correct Answer-D Which kind of relationship is displayed in this entity-relationsh...

WGU Course C170 - Data Management (Applications) with complete solution guide. Rated A+. 2022 Document Content and Description Below WGU Course C170 - Data Management (Applications) with complete solution guide 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 Correct Answer- D Which kind of relationship is displayed in thi...