WGU Data Management - Foundations - D426 Exam Questions And Answers 100% Solved

WGU Data Management - Foundations - D426 Exam Questions And Answers 100% Solved Which requirement within large, complex databases ensures users have limited access to the database? Recovery Performance Authorization Confidentiality Authorization Which design type specifies database requirements without regard to a specific database system? Physical design Conceptual design Logical design Abstract design Conceptual design 3. What characterizes the rules of relational databases? -They are logical constraints that ensure the data is valid. -They are based on business policy and specific databases. -They represent data volumes and rapidly changing data structures. -They embody the theoretical foundation of the SQL language. They are logical constraints that ensure the data is valid. 4. Which event will result in an error code and error description when using MySQL Server? When the server or updates are incorrectly installed When an SQL statement is entered to locate errors in the database When an SQL statement is syntactically incorrect When a Mac OS shortcut code is used on a Windows OS When an SQL statement is syntactically incorrect 5. Which data type should be used to store whole integer values, such as age? NUM VARCHAR DATE INT INT 6. Which text-based interface is included in the MySQL Server Download? MySQL Command-Line Client MySQL Workbench MySQL Enterprise MySQL Community MySQL Command-Line Client 7. Which database system includes the World database during its installation? MySQL MongoDB Oracle PostgreSQL MySQL 8. What is the standardized language of relational database systems? Contextual Query Language Structured Query Language Select Query Language Object Query Language Structured Query Language 9. Which SQL sublanguage is used to manage database access? Data Definition Language (DDL) Data Query Language (DQL) Data Manipulation Language (DML) Data Control Language (DCL) Data Control Language (DCL) 10. Which SQL sublanguage is used to roll back database changes? Data Transaction Language (DTL) Data Manipulation Language (DML) Data Query Language (DQL) Data Control Language (DCL) Data Transaction Language (DTL) 11. Which format is used by the TIME data type in MySQL? YYYY-MM-DD YYYY-MM-DD hh:mm:ss hh:mm:ss hh:mm:ss YYYY-MM-DD hh:mm:ss 12. Which MySQL operator is the last in the order of operator precedence? - OR NOT = OR 13. Which operator is used to compare columns from the left and right tables in MySQL? <= + = * = 14. Which type of join combines two tables without comparing columns? SELF EQUIJOIN OUTER CROSS CROSS 15. Which type of join compares columns using only the = operator? Equijoin Non-equijoin Outer join Inner join Equijoin