Introduction to Database System A key is a group of one or more attributes that uniquely identifies a row. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System You have run an SQL statement that asked the DBMS to display data in a table named USER_TABLES. The results include columns of data labeled "TableName," "NumberOfColumns" and "PrimaryKey." You are looking at ________ . user data A report indexes metadata user data A report indexes metadata ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Prior to 1970, all data was stored in separate files, which were mostly stored on reels of magnetic tape. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attributes A and B determine attribute C, then it is also true that: (A,B) is a composite determinant. C is a determinant. A → B → (A,B) is a composite determinant. C is a determinant. A → B → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A list in alphabetical order is in descending order is the result of a sort operation None of these both (b) and (c) is in ascending order is in descending order is the result of a sort operation None of these both (b) and (c) is in ascending order ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a _____ a parent record type can be linked to one or more "child" record types, but a child record type can have only one parent. Hierarchical database Relational database Distributed database Network database Hierarchical database Relational database Distributed database Network database ANSWER DOWNLOAD EXAMIANS APP
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