Introduction to Database System Which of the following is not characteristic of a relational database model? records treelike structure complex logical relationships tables records treelike structure complex logical relationships tables ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which of the following is not a data Manipulation Language Commands? DELETE UPDATE CREATE SELECT DELETE UPDATE CREATE SELECT ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary is a special file that contains None of these the data types of all fields in all files the names of all fields in all files All of these the widths of all fields in all files None of these the data types of all fields in all files the names of all fields in all files All of these the widths of all fields in all files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command(s) is(are) used to enable/disable all triggers on a table? ALTER TRIGGERS ALTER TABLE All of the listed here MODIFY TRIGGERS IN TABLE ALTER TRIGGERS ALTER TABLE All of the listed here MODIFY TRIGGERS IN TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The modify operation is likely to be done after Delete Look-up All of these None of these Insert Delete Look-up All of these None of these Insert 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. No two rows in a table may be identical. The cells of the table must contain a single value. The columns must be ordered. All of the entries in any column must be of the same kind. No two rows in a table may be identical. The cells of the table must contain a single value. The columns must be ordered. ANSWER DOWNLOAD EXAMIANS APP
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