Db2 - Study guides, Class notes & Summaries

A database is a self-describing collection of integrated records. (T/F) - correct answer T Special data called structured data describes the structure of the database. (T/F) - correct answer F Metadata is data about data. (T/F) - correct answer T The name of the field, its data type, and description are examples of metadata. (T/F) - correct answer ...

AREA - Answer In DB2, a named section of permanent storage space that is reserved to store the database. associative entity - Answer See composite entity. bridge entity - Answer See composite entity. candidate key - Answer A minimal superkey; that is, a key that does not contain a subset of attributes that is itself a superkey. See key. closure - Answer A property of relational operators that permits the use of relational algebra operators on existing tables (relations...

A​ ________ is the smallest component in the computer system data hierarchy. A. field B. record C. file D. bit E. byte D. bit A​ ________ is a component in the computer system data hierarchy that includes content such as Student ID​ 100, Course IS​ 101, and Grade A. A. record B. byte C. bit D. field E. file D. field A​ ________ is a component in the computer system data hierarchy that consists of multiple records of the same type. A. bit B. rec...

Orthopedic Technologist Exam/JDB2 | Questions and Correct Solutions | Latest Update 2024/2025 Abductor Pollicus Brevis - Answer -Pulls the thumb away from the midline of the body Distal - Answer -Term that describes the position of the wrist with respect to the elbow Transverse - Answer -Plane that divides the body into superior or inferior parts Metabolism - Answer -Term for all the reactions that sustain life Carpoectomy - Answer -Surgical removal of the wrist bones Epithelial Tiss...

WGU C170 Prerequisite pretest Exam training Questions with Rated A + Marking Scheme Latest 2024/2025 AREA - correct answer In DB2, a named section of permanent storage space that is reserved to store the database. associative entity - correct answer See composite entity. bridge entity - correct answer See composite entity. candidate key - correct answer A minimal superkey; that is, a key that does not contain a subset of attributes that is itself a superkey. See key. closure - cor...

01. The creator of an index or an index specification automatically receives which privilege on the index? a) SELECT b) DELETE c) UPDATE d) CONTROL Answer: d) CONTROL 02. Which of the following is TRUE about a COMMIT statement executed at the end of the T1 unit of work? a) A ROLLBACK command executed just after the COMMIT command cancels that COMMIT b) Save points defined during transaction T1 are released only if there is a RELEASE SAVEPOINT command executed after the COMMIT comm...

If you are sorting records by more than one field, which field is the more important field? - ️️Primary sort key What type of software programs are Access, Oracle, DB2, MySQL, and SQL Server? - ️️DMBSs A column whose value uniquely identifies a given row in the table is the secondary key. - ️️False A database will not only hold information about multiple types of entities, but also information about the relationships among these multiple entities. - ️️True An entity is a ...

AREA - -In DB2, a named section of permanent storage space that is reserved to store the database. associative entity - -See composite entity. bridge entity - -See composite entity. candidate key - -A minimal superkey; that is, a key that does not contain a subset of attributes that is itself a superkey. See key. closure - -A property of relational operators that permits the use of relational algebra operators on existing tables (relations) to produce new relations. composite entity - -An...

Area - ANSWER In DB2, a named section of permanent storage space that is reserved to store the database. candidate key - ANSWER A minimal superkey; that is, a key that does not contain a subset of attributes that is itself a superkey. See key. closure - ANSWER A property of relational operators that permits the use of relational algebra operators on existing tables (relations) to produce new relations. composite entity - ANSWER An entity designed to transform an M:N relationship into tw...

C170 Chapter 1(Latest Update 2Area - ANSWER In DB2, a named section of permanent storage space that is reserved to store the database. candidate key - ANSWER A minimal superkey; that is, a key that does not contain a subset of attributes that is itself a superkey. See key. closure - ANSWER A property of relational operators that permits the use of relational algebra operators on existing tables (relations) to produce new relations. composite entity - ANSWER An entity designed to transfo...