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NEW QUESTION 31
You must write a statement that combines the first_name and last_name columns from the employees table as "last_name, first_name." Which two statements will do this?
- A. SELECT GROUP_CONCAT(last_name, first_name) FROM employees;
- B. SELECT CONCAT(last name,', ',first_name) FROM employees;
- C. SELECT last_name, ' , ',first_name FROM employees;
- D. SELECT CONCAT_WS(', ',last_name,first_name) FROM employees;
- E. SELECT last_name + ', ' + first_name FROM employees;
NEW QUESTION 32
Examine this table definition:
The table must always remain a valid document store collection. What restriction does this impose on any added column?
- A. The column must be indexed.
- B. The column must have a default value.
- C. The column must be used in a unique constraint.
- D. The column must be a generated column referencing any attribute of doc.
- E. The column must be a generated column referencing only an existing attribute of doc.
NEW QUESTION 33
Examine this statement and output:
Which will provide the same level of detail when the error is encountered within a stored routine?
- A. Option A
- B. Option B
- C. Option D
- D. Option C
NEW QUESTION 34
Examine these statements which execute successfully:
The statements executed without exception. Which two are true?
- A. One row is inserted into band.
- B. The transaction is rolled back to the savepoint.
- C. No transaction commits.
- D. Two transactions commit.
- E. No row is inserted into band.
NEW QUESTION 35