# Parametrize queries

### Parametrized reference

You can reference sheet data in SQL. Use {{}} notation for references. You can only reference single cells at a time. 

```sql
SELECT * FROM {{A1}} WHERE salary > {{A4}}
```

Note in the following example where the query output changes based on what table is selected in cell B1. 

### Parametrize a reference from another sheet

```sql
select abc from def where ghi="{{'Sheet_name'!H3}}"
```

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