Introduction to SQL In SQL, which of the following is not a data definition language commands? REVOKE RENAME UPDATE GRANT REVOKE RENAME UPDATE GRANT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following SQL commands is used to retrieve data? DELETE SELECT INSERT JOIN DELETE SELECT INSERT JOIN ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The wildcard in a WHERE clause is useful when? An exact match is not possible in a CREATE statement. An exact match is not possible in a SELECT statement. An exact match is necessary in a CREATE statement. An exact match is necessary in a SELECT statement. An exact match is not possible in a CREATE statement. An exact match is not possible in a SELECT statement. An exact match is necessary in a CREATE statement. An exact match is necessary in a SELECT statement. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following group functions ignore NULL values? All of these COUNT SUM MAX All of these COUNT SUM MAX ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A dynamic view is one whose contents materialize when referenced. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL COUNT(field_name) tallies only those rows that contain a value; it ignores all null values. True False True False ANSWER DOWNLOAD EXAMIANS APP
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