Introduction to SQL The format SELECT-FROM-WHERE is the fundamental framework of SQL SELECT statements. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SELECT command, with its various clauses, allows users to query the data contained in the tables and ask many different questions or ad hoc queries. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What operator tests column for the absence of data? IS NULL operator EXISTS operator None of these NOT operator IS NULL operator EXISTS operator None of these NOT operator ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The ADD command is used to enter one row of data or to add multiple rows as a result of a query. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following join is also called as an 'inner-join'? Non-Equijoin Equijoin None of these Self-Join Non-Equijoin Equijoin None of these Self-Join ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL -92 wildcards are ____ and ____ . asterisk (*); percent sign (%) question mark (?); asterisk (*) underscore(_); question mark (?) percent sign (%); underscore (_) asterisk (*); percent sign (%) question mark (?); asterisk (*) underscore(_); question mark (?) percent sign (%); underscore (_) ANSWER DOWNLOAD EXAMIANS APP