Introduction to SQL If a query involves NOT, AND, OR with no parenthesis NOT will be evaluated first; AND will be evaluated second; OR will be evaluated last. The order of occurrence determines the order of evaluation. NOT will be evaluated first; OR will be evaluated second; AND will be evaluated last. 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. The order of occurrence determines the order of evaluation. NOT will be evaluated first; OR will be evaluated second; AND will be evaluated last. AND will be evaluated first; OR will be evaluated second; NOT will be evaluated last. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL DISTINCT and its counterpart, ALL, can be used more than once in a SELECT statement. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The HAVING clause acts like a WHERE clause, but it identifies groups that meet a criterion, rather than rows. 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 Which of the following is valid SQL for an Index? ADD INDEX ID; REMOVE INDEX ID; CHANGE INDEX ID; CREATE INDEX ID; ADD INDEX ID; REMOVE INDEX ID; CHANGE INDEX ID; CREATE INDEX ID; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Find the name of cities with all entries whose temperature is in the range of 71 and 89 SELECT * FROM weather WHERE temperature NOT BETWEEN 71 to 89; SELECT * FROM weather WHERE temperature NOT IN (71 to 89); SELECT * FROM weather WHERE temperature BETWEEN 71 AND 89; SELECT * FROM weather WHERE temperature NOT IN (71 and 89); SELECT * FROM weather WHERE temperature NOT BETWEEN 71 to 89; SELECT * FROM weather WHERE temperature NOT IN (71 to 89); SELECT * FROM weather WHERE temperature BETWEEN 71 AND 89; SELECT * FROM weather WHERE temperature NOT IN (71 and 89); ANSWER DOWNLOAD EXAMIANS APP
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