Introduction to SQL Which of the following is valid SQL for an Index? REMOVE INDEX ID; ADD INDEX ID; CHANGE INDEX ID; CREATE INDEX ID; REMOVE INDEX ID; ADD INDEX ID; CHANGE INDEX ID; CREATE INDEX ID; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL NULL is the same as 0 for integer not a value the same as 0 for integer and blank for character the same as blank for character the same as 0 for integer not a value the same as 0 for integer and blank for character the same as blank for character ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL ________ was adopted as a national standard by ANSI in 1992. Microsoft Access DBase Oracle SQL Microsoft Access DBase Oracle SQL ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL If a query involves NOT, AND, OR with no parenthesis The order of occurrence determines the order of evaluation. AND will be evaluated first; OR will be evaluated second; NOT will be evaluated last. NOT will be evaluated first; AND will be evaluated second; OR will be evaluated last. NOT will be evaluated first; OR will be evaluated second; AND will be evaluated last. The order of occurrence determines the order of evaluation. AND will be evaluated first; OR will be evaluated second; NOT will be evaluated last. NOT will be evaluated first; AND will be evaluated second; OR will be evaluated last. NOT will be evaluated first; OR will be evaluated second; AND will be evaluated last. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following query finds the names of the sailors who have reserved at least one boat? SELECT DISTINCT s.sname FROM sailors, reserves WHERE s.sid = r.sid; None of These SELECT DISTINCT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid; SELECT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid; SELECT DISTINCT s.sname FROM sailors, reserves WHERE s.sid = r.sid; None of These SELECT DISTINCT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid; SELECT s.sname FROM sailors s, reserves r WHERE s.sid = r.sid; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The Microsoft Access wildcards are ____ and ____ . percent sign (%); underscore (_) asterisk (*); percent sign (%) question mark (?); asterisk (*) underscore(_); question mark (?) percent sign (%); underscore (_) asterisk (*); percent sign (%) question mark (?); asterisk (*) underscore(_); question mark (?) ANSWER DOWNLOAD EXAMIANS APP
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