Computer Science > EXAM > WGU C170 Basic SQL and Advanced SQL| WITH COMPLETE SOLUTIONS (All)

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WGU C170 Basic SQL and Advanced SQL| WITH COMPLETE SOLUTIONS

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An alias is especially useful when a table must be joined to itself in a(n) ___________________ query. Correct Answer: recursive The ___________ condition is generally composed of an equality comp ... arison between the foreign key and the primary key of related tables. Correct Answer: join A database language enables the user to create database and table structures to perform basic data management chores. Correct Answer: TRUE ______________________ is the process the DBMS uses to verify that only registered users access the database. Correct Answer: Authentication Only numeric data types can be added and subtracted in SQL. Correct Answer: FALSE A table can be deleted from the database by using the _______________________ command. Correct Answer: DROP TABLE To list all the contents of the PRODUCT table, a user would use ________________________________ Correct Answer: SELECT * FROM PRODUCT All SQL commands must be issued on a single line. Correct Answer: FALSE Mathematical operators cannot be used to place restrictions on character-based attributes. Correct Answer: FALSE A(n) _____________________ is a query that is embedded (or nested) inside another query. Correct Answer: subquery "The query to join the P_DESCRIPT and P_PRICE fields from the PRODUCT table and the V_NAME, V_AREACODE, V_PHONE, and V_CONTACT fields from the VENDOR table where the values of V_CODE match is ________________________________________________ Correct Answer: "SELECT P_DESCRIPT, P_PRICE, V_NAME, V_CONTACT, V_AREACODE, V_PHONE FROM PRODUCT, VENDOR WHERE PRODUCT.V_CODE = VENDOR.V_CODE;" In the SQL environment, the word ___________ covers both questions and actions. Correct Answer: query The SQL aggregate function that gives the total of all values for a selected attribute in a given column is _______ Correct Answer: SUM String comparisons [Show More]

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