Introduction to SQL What is a view? None of these A view is a database diagram. A view is a special stored procedure executed when certain event occurs. A view is a virtual table which results of executing a pre-compiled query. A view is not part of the physical database schema, while the regular tables are. None of these A view is a database diagram. A view is a special stored procedure executed when certain event occurs. A view is a virtual table which results of executing a pre-compiled query. A view is not part of the physical database schema, while the regular tables are. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SELECT DISTINCT is used if a user wishes to see duplicate columns in a query. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The Microsoft Access wildcards are ____ and ____ . question mark (?); asterisk (*) asterisk (*); percent sign (%) percent sign (%); underscore (_) underscore(_); question mark (?) question mark (?); asterisk (*) asterisk (*); percent sign (%) percent sign (%); underscore (_) underscore(_); question mark (?) ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Count function in SQL returns the number of distinct values. values. columns. groups. distinct values. values. columns. groups. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL NULL is not a value the same as 0 for integer the same as blank for character the same as 0 for integer and blank for character not a value the same as 0 for integer the same as blank for character the same as 0 for integer and blank for character ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following SQL commands is used to retrieve data? SELECT INSERT JOIN DELETE SELECT INSERT JOIN DELETE ANSWER DOWNLOAD EXAMIANS APP
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