{"id":132422,"date":"2024-04-23T02:50:57","date_gmt":"2024-04-23T02:50:57","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=132422"},"modified":"2024-04-23T02:50:59","modified_gmt":"2024-04-23T02:50:59","slug":"wgu-d426-data-management-foundations-exam-2024","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2024\/04\/23\/wgu-d426-data-management-foundations-exam-2024\/","title":{"rendered":"WGU D426 DATA MANAGEMENT FOUNDATIONS EXAM 2024"},"content":{"rendered":"\n

WGU D426 Data Management<\/p>\n\n\n\n

Which requirement within large, complex databases ensures users have limited access to the database?
Recovery
Performance
Authorization
Confidentiality – correct answer\u2714\u2714 Authorization
Which design type specifies database requirements without regard to a specific database system?
Physical design
Conceptual design
Logical design
Abstract design – correct answer\u2714\u2714 Conceptual design<\/p>\n\n\n\n

    \n
  1. 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. – correct answer\u2714\u2714 They are logical
    constraints that ensure the data is valid.<\/li>\n\n\n\n
  2. Which event will result in an error code and error description when using MySQL Server?
    When the server or updates are incorrectly installed<\/li>\n<\/ol>\n\n\n\n

    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 – correct answer\u2714\u2714 When an SQL statement is
    syntactically incorrect<\/p>\n\n\n\n

      \n
    1. Which data type should be used to store whole integer values, such as age?
      NUM
      VARCHAR
      DATE
      INT – correct answer\u2714\u2714 INT<\/li>\n\n\n\n
    2. Which text-based interface is included in the MySQL Server Download?
      MySQL Command-Line Client
      MySQL Workbench
      MySQL Enterprise
      MySQL Community – correct answer\u2714\u2714 MySQL Command-Line Client<\/li>\n\n\n\n
    3. Which database system includes the World database during its installation?
      MySQL
      MongoDB
      Oracle
      PostgreSQL – correct answer\u2714\u2714 MySQL<\/li>\n\n\n\n
    4. What is the standardized language of relational database systems?
      Contextual Query Language<\/li>\n<\/ol>\n\n\n\n

      Structured Query Language
      Select Query Language
      Object Query Language – correct answer\u2714\u2714 Structured Query Language<\/p>\n\n\n\n

        \n
      1. 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) – correct answer\u2714\u2714 Data Control Language (DCL)<\/li>\n\n\n\n
      2. 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) – correct answer\u2714\u2714 Data Transaction Language (DTL)<\/li>\n\n\n\n
      3. 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 – correct answer\u2714\u2714 hh:mm:ss<\/li>\n\n\n\n
      4. <\/li>\n<\/ol>\n\n\n\n
          \n
        1. Which operator is used to compare columns from the left and right tables in MySQL?<\/li>\n<\/ol>\n\n\n\n

          <=<\/p>\n\n\n\n

          +<\/h1>\n\n\n\n

          *<\/h1>\n\n\n\n
            \n
          1. Which type of join combines two tables without comparing columns?<\/li>\n<\/ol>\n\n\n\n

            SELF
            EQUIJOIN
            OUTER
            CROSS
            CROSS<\/p>\n\n\n\n

              \n
            1. Which type of join compares columns using only the = operator?<\/li>\n<\/ol>\n\n\n\n

              Equijoin
              Non-equijoin
              Outer join
              Inner join
              Equijoin<\/p>\n\n\n\n

                \n
              1. Which type of join is demonstrated by the following query?
                SELECT Dog.Nickname, Kennel.Address
                FROM Dog, Kennel
                WHERE Dog.KennelID = Kennel.ID<\/li>\n<\/ol>\n\n\n\n

                NON-EQUIJOIN
                SELF JOIN
                CROSS JOIN
                EQUIJOIN
                EQUIJOIN<\/p>\n\n\n\n

                  \n
                1. What is another name for a subquery?<\/li>\n<\/ol>\n\n\n\n

                  Outer query
                  Nested query
                  Correlated query
                  Search query
                  Nested query<\/p>\n\n\n\n

                    \n
                  1. Which operator is used to compare against a list of values when determining a match in a WHERE clause?<\/li>\n<\/ol>\n\n\n\n

                    IN
                    BETWEEN
                    LIKE
                    OR
                    IN<\/p>\n\n\n\n

                      \n
                    1. Which wildcard character is used to represent zero or more characters when searching for a specified pattern using a LIKE operator?<\/li>\n<\/ol>\n\n\n\n

                      %
                      _
                      < >
                      %<\/p>\n\n\n\n

                        \n
                      1. Which function is considered an aggregating function in SQL?<\/li>\n<\/ol>\n\n\n\n

                        TRIM
                        REPLACE
                        MIN
                        SUBSTRING
                        MIN<\/p>\n\n\n\n

                          \n
                        1. Which clause or function is used with aggregate functions to produce summary rows?<\/li>\n<\/ol>\n\n\n\n

                          TRIM
                          REPLACE
                          ORDER BY
                          GROUP BY
                          GROUP BY<\/p>\n\n\n\n

                            \n
                          1. Which type of join returns only the matching values when selecting rows from two or more tables?<\/li>\n<\/ol>\n\n\n\n

                            Full Join
                            Outer Join
                            Equijoin
                            Inner Join
                            Inner Join<\/p>\n\n\n\n

                              \n
                            1. Which join type selects only matching left and right table rows?<\/li>\n<\/ol>\n\n\n\n

                              Full Join
                              Left Join
                              Right Join
                              Inner Join
                              Inner Join<\/p>\n\n\n\n

                                \n
                              1. Which phrase refers to the view in which data is persisted and is automatically changed as the underlying data is changed?<\/li>\n<\/ol>\n\n\n\n

                                Virtual View
                                Snapshot View
                                Denormalized View
                                Materialized View
                                Materialized View<\/p>\n\n\n\n

                                  \n
                                1. Which SQL command uses the correct syntax to update the salary of an employee in the Employee table?<\/li>\n<\/ol>\n\n\n\n

                                  CHANGE Employee Salary = 50000 WHERE ID = 1;
                                  UPDATE Employee SET Salary = 50000 WHERE ID = 1;
                                  ALTER Employee SET Salary = 50000 WHERE ID = 1;
                                  UPDATE Employee (Salary) = (50000) WHERE ID = 1;
                                  UPDATE Employee SET Salary = 50000 WHERE ID = 1;<\/p>\n\n\n\n

                                  Download the full exam pdf here https:\/\/learnexams.com\/search\/study?query=<\/a><\/p>\n\n\n\n

                                  <\/p>\n","protected":false},"excerpt":{"rendered":"

                                  WGU D426 Data Management Which requirement within large, complex databases ensures users have limited access to the database?RecoveryPerformanceAuthorizationConfidentiality – correct answer\u2714\u2714 AuthorizationWhich design type specifies database requirements without regard to a specific database system?Physical designConceptual designLogical designAbstract design – correct answer\u2714\u2714 Conceptual design When an SQL statement is entered to locate errors in the databaseWhen […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[183],"class_list":["post-132422","post","type-post","status-publish","format-standard","hentry","category-exams-certification","tag-wgu-d426-data-management"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/132422","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=132422"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/132422\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=132422"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=132422"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=132422"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}