Introduction to SQL Which of the following command makes the updates performed by the transaction permanent in the database? ROLLBACK COMMIT DELETE TRUNCATE ROLLBACK COMMIT DELETE TRUNCATE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is illegal? None of these SELECT SYSDATE - SYSDATE FROM DUAL; SELECT SYSDATE - (SYSDATE + 2) FROM DUAL; SELECT SYSDATE - (SYSDATE - 2) FROM DUAL; None of these SELECT SYSDATE - SYSDATE FROM DUAL; SELECT SYSDATE - (SYSDATE + 2) FROM DUAL; SELECT SYSDATE - (SYSDATE - 2) FROM DUAL; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The command to remove rows from a table 'CUSTOMER' is: DELETE FROM CUSTOMER WHERE ... DROP FROM CUSTOMER ... UPDATE FROM CUSTOMER ... REMOVE FROM CUSTOMER ... DELETE FROM CUSTOMER WHERE ... DROP FROM CUSTOMER ... UPDATE FROM CUSTOMER ... REMOVE FROM CUSTOMER ... ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL ............. joins two or more tables based on a specified column value not equaling a specified column value in another table. NON-EQUIJOIN OUTER JOIN EQUIJOIN NATURAL JOIN NON-EQUIJOIN OUTER JOIN EQUIJOIN NATURAL JOIN ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL In SQL, which command(s) is(are) used to change a table's storage characteristics? CHANGE TABLE MODIFY TABLE ALTER TABLE All of these CHANGE TABLE MODIFY TABLE ALTER TABLE All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL DISTINCT and its counterpart, ALL, can be used more than once in a SELECT statement. True False True False ANSWER DOWNLOAD EXAMIANS APP
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