This commit is contained in:
Gsllchb 2018-07-14 11:36:20 +08:00 committed by GitHub
parent 67fc67e1fa
commit c18744d669
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23

View File

@ -250,7 +250,7 @@ SELECT actor_id FROM sakila.actor WHERE actor_id + 1 = 5;
```sql ```sql
SELECT film_id, actor_ id FROM sakila.film_actor SELECT film_id, actor_ id FROM sakila.film_actor
WhERE actor_id = 1 AND film_id = 1; WHERE actor_id = 1 AND film_id = 1;
``` ```
### 3. 索引列的顺序 ### 3. 索引列的顺序