SQL
Nested Functions
There are five [nested data types](#docs:sql:data_types:overview::nested--composite-types):  
| Name | Type page | Functions page |
|--|---|---|
| `ARRAY`  | [`ARRAY` type](#docs:sql:data_types:array)   | [`ARRAY` functions](#docs:sql:functions:array)   |
| `LIST`   | [`LIST` type](#docs:sql:data_types:list)     | [`LIST` functions](#docs:sql:functions:list)     |
| `MAP`    | [`MAP` type](#docs:sql:data_types:map)       | [`MAP` functions](#docs:sql:functions:map)       |
| `STRUCT` | [`STRUCT` type](#docs:sql:data_types:struct) | [`STRUCT` functions](#docs:sql:functions:struct) |
| `UNION`  | [`UNION` type](#docs:sql:data_types:union)   | [`UNION` functions](#docs:sql:functions:union)   |