Introduction to SQL Which of the following group functions ignore NULL values? SUM All of these COUNT MAX SUM All of these COUNT MAX ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL There is an equivalent join expression that can be substituted for all subquery expressions. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The condition in a WHERE clause can refer to only one value. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL ORDER BY can be combined with the SELECT statements. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL SQL is a programming language. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL -92 wildcards are ____ and ____ . underscore(_); question mark (?) question mark (?); asterisk (*) percent sign (%); underscore (_) asterisk (*); percent sign (%) underscore(_); question mark (?) question mark (?); asterisk (*) percent sign (%); underscore (_) asterisk (*); percent sign (%) ANSWER DOWNLOAD EXAMIANS APP
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