Introduction to SQL What operator tests column for the absence of data? None of these NOT operator IS NULL operator EXISTS operator None of these NOT operator IS NULL operator EXISTS operator ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL -92 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 Which of the following are the five built-in functions provided by SQL? SUM, AVG, MIN, MAX, MULT COUNT, SUM, AVG, MAX, MIN SUM, AVG, MULT, DIV, MIN SUM, AVG, MIN, MAX, NAME SUM, AVG, MIN, MAX, MULT COUNT, SUM, AVG, MAX, MIN SUM, AVG, MULT, DIV, MIN SUM, AVG, MIN, MAX, NAME ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Most companies keep at least two versions of any database they are using. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL To establish a range of values, < and > can be used. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The command to eliminate a table from a database is: UPDATE TABLE CUSTOMER; REMOVE TABLE CUSTOMER; DROP TABLE CUSTOMER; DELETE TABLE CUSTOMER; UPDATE TABLE CUSTOMER; REMOVE TABLE CUSTOMER; DROP TABLE CUSTOMER; DELETE TABLE CUSTOMER; ANSWER DOWNLOAD EXAMIANS APP