> For the complete documentation index, see [llms.txt](https://docs.quadratichq.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.quadratichq.com/connections/parametrize-queries.md).
# Parametrize queries
Insert data from sheet into your queries with parametrized 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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