WGU - D426: Objective Assessment Exam Questions And Answers

WGU - D426: Objective Assessment Exam Questions And Answers Database Application - ANS Software that helps business users interact with database systems. Database Administrator - ANS Responsible for securing the database system against unauthorized users. A database administrator enforces procedures for user access and database system availability. Authorization - ANS Many database users should have limited access to specific tables, columns, or rows of a database. Database systems authorize individual users to access specific data. Rules - ANS Database systems ensure data is consistent with structural and business rules. Query Processor - ANS Interprets queries, creates a plan to modify the database or retrieve data, and returns query results to the application. Performs query optimization to ensure the most efficient instructions are executed on the data. Storage Manager - ANS Translates the query processor instructions into low-level file-system commands that modify or retrieve data. Database sizes range from megabytes to many terabytes, so the storage manager uses indexes to quickly locate data.