# Commands

[Read this page in HTML](https://www.scopedb.io/docs/reference/commands)

ScopeQL commands query data, manage database objects, and modify table data.

## Queries

* [Query syntax](https://www.scopedb.io/docs/reference/commands/stmt-query.md): structure of ScopeDB queries.
* [Query operators](https://www.scopedb.io/docs/reference/commands/query-operators.md): arithmetic, logical, and other types of operators.

## DDL statements

[Data Definition Language (DDL) statements](https://www.scopedb.io/docs/reference/commands/stmt-ddl.md) define and manage database objects.

## DML statements

[Data Manipulation Language (DML) statements](https://www.scopedb.io/docs/reference/commands/stmt-dml.md) change the data stored in tables.