Introduction to SQL Which of the following group functions ignore NULL values? SUM COUNT All of these MAX SUM COUNT All of these MAX ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following join is also called as an 'inner-join'? Equijoin Non-Equijoin Self-Join None of these Equijoin Non-Equijoin Self-Join None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL keyword BETWEEN is used: to limit the columns displayed. as a wildcard. None of these for ranges. to limit the columns displayed. as a wildcard. None of these for ranges. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Indexes may be created or dropped at any time. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Data manipulation language (DML) commands are used to define a database, including creating, altering, and dropping tables and establishing constraints. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following SQL commands can be used to add data to a database table? ADD INSERT UPDATE APPEND ADD INSERT UPDATE APPEND ANSWER DOWNLOAD EXAMIANS APP
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