Introduction to SQL SQL provides five built-in functions: COUNT, SUM, AVG, MAX, MIN. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statementSELECT SUBSTR('abcdefghij', INSTR('123321234', '2', 3, 2), 2) FROM DUAL;prints bc gh ab 23 bc gh ab 23 ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The command to remove rows from a table 'CUSTOMER' is: DROP FROM CUSTOMER ... DELETE FROM CUSTOMER WHERE ... REMOVE FROM CUSTOMER ... UPDATE FROM CUSTOMER ... DROP FROM CUSTOMER ... DELETE FROM CUSTOMER WHERE ... REMOVE FROM CUSTOMER ... UPDATE FROM CUSTOMER ... ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What operator tests column for the absence of data? NOT operator EXISTS operator IS NULL operator None of these NOT operator EXISTS operator IS NULL operator None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The result of a SQL SELECT statement is a(n) ________ . table form file report table form file report ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A subquery in an SQL SELECT statement is enclosed in: CAPITAL LETTERS. brackets -- [...]. braces -- {...}. parenthesis -- (...) . CAPITAL LETTERS. brackets -- [...]. braces -- {...}. parenthesis -- (...) . ANSWER DOWNLOAD EXAMIANS APP
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