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 Which SQL statement is used to update data in a database? SAVE AS SAVE MODIFY UPDATE SAVE AS SAVE MODIFY UPDATE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL In SQL, which of the following is not a data definition language commands? UPDATE RENAME REVOKE GRANT UPDATE RENAME REVOKE GRANT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SELECT statement SELECT 'Hi' FROM DUAL WHERE NULL = NULL; Outputs Hi Nothing FLASE TRUE Hi Nothing FLASE TRUE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL How to select all data from student table starting the name from letter 'r'? SELECT * FROM student WHERE name LIKE '_r%'; SELECT * FROM student WHERE name LIKE '%r'; SELECT * FROM student WHERE name LIKE '%r%'; SELECT * FROM student WHERE name LIKE 'r%'; SELECT * FROM student WHERE name LIKE '_r%'; SELECT * FROM student WHERE name LIKE '%r'; SELECT * FROM student WHERE name LIKE '%r%'; SELECT * FROM student WHERE name LIKE 'r%'; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A view is which of the following? A base table that cannot be accessed via SQL commands A base table that can be accessed via SQL commands A virtual table that cannot be accessed via SQL commands A virtual table that can be accessed via SQL commands A base table that cannot be accessed via SQL commands A base table that can be accessed via SQL commands A virtual table that cannot be accessed via SQL commands A virtual table that can be accessed via SQL commands ANSWER DOWNLOAD EXAMIANS APP