DB2 Samenvattingen, Notities en Examens

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...

1. The DBMS acts as an interface between what two components of an enterprise-class database system? A. Database application and the database B. Data and the database C. The user and the database application D. Database application and SQL ________________________________________ 2. Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM? A. IDMS B. DB2 C. dBase-II D. R:base

Which three tasks by default are taken care of by the Autonomous Database? (Choose three.) a. Database Upgrades b. Firmware Patching c. Application User Creation d. Data Loading e. Backups a. Database Upgrades b. Firmware Patching e. Backups What are two security features enabled by default by the Autonomous Database? (Choose two.) a. Transparent Data Encryption b. One SYSDBA account c. Encrypted Database Links d. SQL Net Encryption e. Read Only access to OS Audit logs ...

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...

MECHANICAL GDB2033 Chapter 11( Modified A leader is someone who has managerial authority.....) MECHANICAL GDB2033 Chapter 11( Modified A leader is someone who has managerial authority.....) MECHANICAL GDB2033 Chapter 11( Modified A leader is someone who has managerial authority.....)

WGU C170 Data Management Application. Exam Review. Graded 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 ta...

1NF Defined primary key, no multi-valued attributes 2NF 1NF + no partial dependencies 3NF 2NF + no transitive dependencies DBMS (Database Management System) a product used for the storage and organization of data that typically has defined formats and structures What does DBMS contain? Hardware, software, data, procedures, and access language Schema Defines logical structure of related objects Catalog Collection of all schema in the database ...

WGU C170 Chp 1, With Complete Verified Solution 2024. AREA in DB2, a named section of permanent storage space that is reserved to store the database. associative entity another name for composite entity, bridge entity or linking table bridge entity another name for composite entity, associative entity or linking table candidate key a minimal superkey; that is, a key that dows not contain a subset of attributes that is itself a superkey. closure A property of relational operators that p...

Access plan Correct Answer A set of instructions generated at application compilation time that is created and managed by a DBMS. The access plan predetermines how an application's query will access the database at run time. Alias Correct Answer An alternative name for a column or table in a SQL statement. ALTER TABLE Correct Answer The SQL command used to make changes to table structure. When the command is followed by a keyword (ADD or MODIFY), it adds a column or changes column charact...

WGU C170 Chp 1, With Complete Verified Solution 2024. AREA in DB2, a named section of permanent storage space that is reserved to store the database. associative entity another name for composite entity, bridge entity or linking table bridge entity another name for composite entity, associative entity or linking table candidate key a minimal superkey; that is, a key that dows not contain a subset of attributes that is itself a superkey. closure A property of relational operators that p...