Explain Query (mysql)
EXPLAIN
SELECT IFNULL(l_answer, answer) as answer
FROM faq
LEFT JOIN faqLang ON faq.faq_id = faqLang.faq_id
AND lang_id = 'en'
WHERE faq.faq_id = '58'
| id | select_type | table | partitions | type | possible_keys | key | key_len | ref | rows | filtered | Extra |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | SIMPLE | faq | const | PRIMARY | PRIMARY | 4 | const | 1 | 100.00 | ||
| 1 | SIMPLE | faqLang | ALL | 114 | 100.00 | Using where |