Introduction to SQL Which of the following SQL commands is used to retrieve data? SELECT INSERT JOIN DELETE SELECT INSERT JOIN DELETE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following do you need to consider when you make a table in SQL? Data types Default values All of these Primary keys Data types Default values All of these Primary keys ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Count function in SQL returns the number of values. groups. distinct values. columns. values. groups. distinct values. columns. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following must be enclosed in double quotes? Dates Strings All of these Column Alias Dates Strings All of these Column Alias ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What operator tests column for the absence of data? IS NULL operator NOT operator None of these EXISTS operator IS NULL operator NOT operator None of these EXISTS operator ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL keyword is used to retrieve a maximum value? MAX TOP UPPER MOST MAX TOP UPPER MOST ANSWER DOWNLOAD EXAMIANS APP
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