Introduction to SQL The HAVING clause acts like a WHERE clause, but it identifies groups that meet a criterion, rather than rows. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Let the statementSELECT column1 FROM myTable;return 10 rows. The statementSELECT ALL column1 FROM myTable;will return less than 10 rows more than 10 rows exactly 10 rows None of these less than 10 rows more than 10 rows exactly 10 rows None of these 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 Count function in SQL returns the number of distinct values. columns. groups. values. distinct values. columns. groups. values. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following SQL commands is used to retrieve data? DELETE INSERT JOIN SELECT DELETE INSERT JOIN SELECT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL keyword is used to retrieve only unique values? DIFFERENT DISTINCT UNIQUE DISTINCTIVE DIFFERENT DISTINCT UNIQUE DISTINCTIVE ANSWER DOWNLOAD EXAMIANS APP
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