Introduction to SQL Which of the following is a valid SQL type? All of these NUMERIC FLOAT CHARACTER All of these NUMERIC FLOAT CHARACTER ANSWER DOWNLOAD EXAMIANS APP
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 What operator tests column for the absence of data? NOT operator None of these IS NULL operator EXISTS operator NOT operator None of these IS NULL operator EXISTS operator ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL ON UPDATE CASCADE ensures which of the following? Normalization Materialized Views Data Integrity All of these Normalization Materialized Views Data Integrity All of these 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 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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