Introduction to SQL Which of the following group functions ignore NULL values? All of these COUNT MAX SUM All of these COUNT MAX SUM ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL To remove duplicate rows from the results of an SQL SELECT statement, the ________ qualifier specified must be included. DISTINCT ONLY SINGLE UNIQUE DISTINCT ONLY SINGLE UNIQUE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL WHERE clause: Both A and B are correct. limits the row data are returned. limits the column data that are returned. Neither A nor B are correct. Both A and B are correct. limits the row data are returned. limits the column data that are returned. Neither A nor B are correct. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The condition in a WHERE clause can refer to only one value. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The command to remove rows from a table 'CUSTOMER' is: DROP FROM CUSTOMER ... DELETE FROM CUSTOMER WHERE ... REMOVE FROM CUSTOMER ... UPDATE FROM CUSTOMER ... DROP FROM CUSTOMER ... DELETE FROM CUSTOMER WHERE ... REMOVE FROM CUSTOMER ... UPDATE FROM CUSTOMER ... ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is the original purpose of SQL? To define the data structures To specify the syntax and semantics of SQL manipulation language All of these To specify the syntax and semantics of SQL data definition language To define the data structures To specify the syntax and semantics of SQL manipulation language All of these To specify the syntax and semantics of SQL data definition language ANSWER DOWNLOAD EXAMIANS APP
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