Introduction to SQL What operator tests column for the absence of data? EXISTS operator IS NULL operator NOT operator None of these EXISTS operator IS NULL operator NOT operator None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL keyword BETWEEN is used: for ranges. None of these as a wildcard. to limit the columns displayed. for ranges. None of these as a wildcard. to limit the columns displayed. 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 The SQL statement: SELECT Number1 + Number 2 AS Total FROM NUMBER_TABLE; adds two numbers from each row together and lists the results in a column named Total. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following group functions ignore NULL values? MAX SUM All of these COUNT MAX SUM All of these COUNT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Select the right statement to insert values to the student table. INSERT VALUES ( INSERT student VALUES ( INSERT VALUES INTO student ( INSERT INTO student VALUES ( INSERT VALUES ( INSERT student VALUES ( INSERT VALUES INTO student ( INSERT INTO student VALUES ( ANSWER DOWNLOAD EXAMIANS APP
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