Introduction to Database System Every time attribute A appears, it is matched with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that: A → A → (B,C) → A → (B,C). A → A → (B,C) → A → (B,C). ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Batch processing is appropriate if a large computer system is available None of these only a few transactions are involved All of these only a small computer system is available a large computer system is available None of these only a few transactions are involved All of these only a small computer system is available ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A compound key is a combination of each unique key None of these is made up a several pieces of information uniquely identifies an item in a list both (a) and (b) is a combination of each unique key None of these is made up a several pieces of information uniquely identifies an item in a list both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Helping people keep track of things is the purpose of a(n) ________ . instance table relationship database instance table relationship database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System SQL stands for ________ . Sequential Query Language Structured Question Language Structured Query Language Sequential Question Language Sequential Query Language Structured Question Language Structured Query Language Sequential Question Language ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary is a special file that contains None of these the names of all fields in all files the data types of all fields in all files the widths of all fields in all files All of these None of these the names of all fields in all files the data types of all fields in all files the widths of all fields in all files All of these ANSWER DOWNLOAD EXAMIANS APP
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