SQL
Examples
Select a sample of 1% of the addresses table using default (system) sampling:  
```sql
SELECT *
FROM addresses
USING SAMPLE 1%;
```  
Select a sample of 1% of the addresses table using bernoulli sampling:  
```sql
SELECT *
FROM addresses
USING SAMPLE 1% (bernoulli);
```  
Select a sample of 10 rows from the subquery:  
```sql
SELECT *
FROM (SELECT * FROM addresses)
USING SAMPLE 10 ROWS;
```