Introduction to SQL COUNT(field_name) tallies only those rows that contain a value; it ignores all null values. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL ON UPDATE CASCADE ensures which of the following? Materialized Views Normalization Data Integrity All of these Materialized Views Normalization Data Integrity All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL keyword GROUP BY instructs the DBMS to group together those rows that have the same value in a column. 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? UPDATE INSERT APPEND ADD UPDATE INSERT APPEND ADD ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is a SQL aggregate function? JOIN LEFT LEN AVG JOIN LEFT LEN AVG ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statementSELECT ROUND(45.926, -1) FROM DUAL; prints 50 prints 045.926 prints garbage is illegal prints 50 prints 045.926 prints garbage is illegal ANSWER DOWNLOAD EXAMIANS APP
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