Introduction to Database System In SQL, which of the following is not a data Manipulation Language Commands? DELETE UPDATE SELECT CREATE DELETE UPDATE SELECT CREATE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a restriction for a table to be a relation? All of the entries in any column must be of the same kind. The columns must be ordered. No two rows in a table may be identical. The cells of the table must contain a single value. All of the entries in any column must be of the same kind. The columns must be ordered. No two rows in a table may be identical. The cells of the table must contain a single value. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A compound 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) is a combination of each unique key ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The term _____ is sometimes used to refer to a data file in which all the records have the same record format, that is, the same field names, field lengths, and data types. Flat file Database None of these Table Data structure Flat file Database None of these Table Data structure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An identifier determines the type of relationship that an entity has. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ means that one record in a particular record type may be related to more than one record of another record type. Many-to many relationship Many-to-one relationship One-to-many relationship One-to-one relationship Many-to many relationship Many-to-one relationship One-to-many relationship One-to-one relationship ANSWER DOWNLOAD EXAMIANS APP
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