D426 WGU EXAM / WGU D426 LATEST EXAM S TUDY GUID E ACTUAL EXAM QUESTIONS AND WELL ELABORATED ANSWERS (MOST TESTED QUESTIONS WITH VERIFIED ANSWERS) LATEST UPDAT ES 2024 |ALREADY GRADED A+ (REVISED EXAM) What Is a software that reads and writes data in a database? Answer -Database management system or DBMS What is a computer programming language for writing database queries? Answer-Query language What is a command for a database that typically inserts new data, retrieves data, updates data, or deletes data fro m a database ? Answer -Query What is a group of queries that must be either completed or rejected as a whole? Answer -A transaction What Interprets queries, creates a plan to modify the database or retrieve data, and returns query results to the application? Answer -A query processor What translates the query processor instructions into low -level file-system commands that modify or retrieve data? Answer -Store Manager What ensures transactions are properly executed? Answer -Transaction Manager What is a file containing a comple te record of all inserts, updates, and deletes processed by the database? Answer -The log What is a directory of tables, columns, indexes, and other database objects? Answer -Catalog What is a column, used to identify individual rows of a table? Answer -A key Which phase implements database requirements in a specific database system? Answer -Database Logical design phase Which phase specifies database objects such as tables, columns, data types, and indexes? Answer -Database design phase
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