What is a primary key A A field or group of fields that uniquely identifies a

What is a primary key a a field or group of fields

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87.What is a primary key? A.A field (or group of fields) that uniquely identifies a given entity in a tableB.A primary key of one table that appears as an attribute in another table and acts to provide a logical relationship among the two tablesC. Characteristics or properties of an entityD. A field (or group of fields) that uniquely identifies a given attribute in a tableThis is the definition of primary key. AACSB: Reflective Thinking AACSB: Technology Baltzan - Chapter 06 #87 Blooms: Knowledge Learning Objective: 06-02 Describe a database; a database management system; and the relational database model. Level: Easy Topic Area: Storing Information in a Relational Database Management System 88.What is a foreign key? AACSB: Reflective Thinking AACSB: Technology Baltzan - Chapter 06 #88 Blooms: Knowledge Learning Objective: 06-02 Describe a database; a database management system; and the relational database model. Level: Easy Topic Area: Storing Information in a Relational Database Management System 89.Which of the following is a disadvantage of database-stored information? AACSB: Reflective Thinking AACSB: Technology Baltzan - Chapter 06 #89 Blooms: Comprehension Learning Objective: 06-02 Describe a database; a database management system; and the relational database model. Level: Medium Topic Area: Using a Relational Database for Business Advantages
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90.Which of the following is incorrect in reference to a database? AACSB: Reflective Thinking AACSB: Technology Baltzan - Chapter 06 #90 Blooms: Comprehension Learning Objective: 06-02 Describe a database; a database management system; and the relational database model. Level: Medium Topic Area: Storing Information in a Relational Database Management System
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  • Spring '15
  • Zhou,Shu
  • Business, Data Mining, Relational model, Database management system

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