> For the complete documentation index, see [llms.txt](https://docs.daita.ch/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.daita.ch/usage/relational/functions/string/concat.md).

# CONCAT

```typescript
const names = await client.select({
   select: concat(field(Moutain, 'country'), ' ', field(Moutain, 'name')),
   from: table(Mountain),
});
// sql: SELECT "Mountain"."country" || ' ' || "Mountain"."name"
//      FROM "Mountain"
//
// const names: string[]
```