Introduction to SQL Which SQL statement is used to update data in a database? MODIFY SAVE AS SAVE UPDATE MODIFY SAVE AS SAVE UPDATE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL 'AS' clause is used in SQL for Join operation. Rename operation. Selection operation. Projection operation. Join operation. Rename operation. Selection operation. Projection operation. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL ORDER BY can be combined with the SELECT statements. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Microsoft Access has become ubiquitous, and being able to program in Access is a critical skill. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is illegal? SELECT SYSDATE - (SYSDATE - 2) FROM DUAL; None of these SELECT SYSDATE - (SYSDATE + 2) FROM DUAL; SELECT SYSDATE - SYSDATE FROM DUAL; SELECT SYSDATE - (SYSDATE - 2) FROM DUAL; None of these SELECT SYSDATE - (SYSDATE + 2) FROM DUAL; SELECT SYSDATE - SYSDATE FROM DUAL; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What operator tests column for the absence of data? IS NULL operator NOT operator None of these EXISTS operator IS NULL operator NOT operator None of these EXISTS operator ANSWER DOWNLOAD EXAMIANS APP