Introduction to Database System A database is called "self-describing" because it contains a description of itself. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a restriction for a table to be a relation? The cells of the table must contain a single value. The columns must be ordered. No two rows in a table may be identical. All of the entries in any column must be of the same kind. The cells of the table must contain a single value. The columns must be ordered. No two rows in a table may be identical. All of the entries in any column must be of the same kind. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System For some relations, changing the data can have undesirable consequences called: normal forms. transitive dependencies. referential integrity constraints. modification anomalies. normal forms. transitive dependencies. referential integrity constraints. modification anomalies. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Primitive operations common to all record management systems include Print Look-up All of the listed here Sort Print Look-up All of the listed here Sort ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relational schema, each tuple is divided into fields called Queries Relations All of the listed here Domains Queries Relations All of the listed here Domains ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The main idea behind computer files is that it is convenient to access them create them store information together arrange them access them create them store information together arrange them ANSWER DOWNLOAD EXAMIANS APP