Select the SQL query that will list the first name, last name and the hire date. Ensure the hire date is displayed in Australian date format (DD/MM/YYYY).

Question

BlackTom AI · Accepted Answer

strftime with the format string '%d/%m/%Y' produces the day, month and four‑digit year in the DD/MM/YYYY order, so wrapping hire_date with that function yields the required Australian format.

Relevant knowledge points and concepts
1. SELECT specifies which columns to return. Commas separate columns. 2. strftime(format, datecolumn) (as implemented in SQLite and some SQL dialects) formats a date according to percent‑code tokens: %d = zero‑padded day (01–31), %m = zero‑padded month (01–12), %Y = four‑digit year (e.g. 2024), %y = two‑digit year (e.g. 24), %M = minutes (not month). 3. FROM table_name identifies the table supplying rows; using FROM TABLE table_name is incorrect SQL.

Step‑by‑step reasoning and intermediate demonstration
1. We need first_name and last_name unchanged, so include them directly in the SELECT list: SELECT first_name, last_name, ... 2. To convert hire_date to DD/MM/YYYY, call strftime with '%d/%m/%Y' and pass hire_date as the second argument: strftime('%d/%m/%Y', hire_date). Example: if hire_date = '2024-05-27', strftime('%d/%m/%Y', hire_date) returns '27/05/2024'. 3. Combine and specify the source table: FROM staff. Putting it together yields:
SELECT first_name, last_name, strftime('%d/%m/%Y', hire_date)
FROM staff;

Why the correct answer is correct
- It selects the required name columns and applies the correct formatting tokens so the output is DD/MM/YYYY with a full four‑digit year. It uses standard SELECT ... FROM table syntax.

Why other options are incorrect (brief)
- Using '%d/%m/%y' returns a two‑digit year (e.g. 24) instead of four digits.  
- Using %M or %D is wrong: %M represents minutes, not month; %D is not the required day/month/year token and may yield mm/dd/yy semantics.  
- Omitting hire_date as the function argument or using FROM TABLE staff are syntactically incorrect.

Conclusion
The query SELECT first_name, last_name, strftime('%d/%m/%Y', hire_date) FROM staff; is correct and matches the provided answer.

Select the SQL query that will list the first name, last name and the hire date. Ensure the hire date is displayed in Australian date format (DD/MM/YYYY).单项选择题

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