> For the complete documentation index, see [llms.txt](https://docs.e6data.com/product-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.e6data.com/product-documentation/sql-command-reference.md).

# SQL Command Reference

* [Query Syntax](/product-documentation/sql-command-reference/query-syntax.md)
* [Aggregate Functions](/product-documentation/sql-command-reference/aggregate-functions.md)
* [Mathematical Functions & Operators](/product-documentation/sql-command-reference/mathematical-functions-and-operators.md)
* [String Functions](/product-documentation/sql-command-reference/string-functions.md)
* [Date-Time Functions](/product-documentation/sql-command-reference/date-time-functions.md)
* [Conditional Expressions](/product-documentation/sql-command-reference/conditional-expressions.md)
* [Conversion Functions](/product-documentation/sql-command-reference/conversion-functions.md)
* [Windows Functions](/product-documentation/sql-command-reference/window-functions.md)
* [Comparison Operators & Functions](/product-documentation/sql-command-reference/comparison-operators-and-functions.md)
* [Logical Operators](/product-documentation/sql-command-reference/logical-operators.md)
* [Statistical Functions](/product-documentation/sql-command-reference/statistical-functions.md)
* [Bitwise Functions](/product-documentation/sql-command-reference/bitwise-functions.md)
* [Array Functions](/product-documentation/sql-command-reference/array-functions.md)
* [Regular Expression Functions](/product-documentation/sql-command-reference/regular-expression-functions.md)
* [Generate Functions](/product-documentation/sql-command-reference/generate-functions.md)
* [Cardinality Estimation Functions](/product-documentation/sql-command-reference/cardinality-estimation-functions.md)
* [Json Functions](https://app.gitbook.com/o/CLn7sDaP4M1F3t7m8X0L/s/eVBYKZm1xFKFFVzS0lRJ/~/changes/917/sql-command-reference/json-functions)
* [Checksum Functions](/product-documentation/sql-command-reference/checksum-functions.md)
* [Unload Function (Copy into)](/product-documentation/sql-command-reference/unload-function-copy-into.md)
* [Struct Functions ](https://app.gitbook.com/o/CLn7sDaP4M1F3t7m8X0L/s/eVBYKZm1xFKFFVzS0lRJ/~/changes/917/sql-command-reference/struct-functions)
* [Geospatial Functions](/product-documentation/sql-command-reference/geospatial-functions.md)