# eXtremeSQL DDL Statements

> DDL statements add, modify and remove tables and indexes to or from the eXtremeSQL Metatable which manages all SQL access. Please use the following links to view the syntax for and examples of the Data Definition Language statements:

> create table | Create a table; add this table definition to the eXtremeSQL Metatable
> alter table | Modify the definition of an existing table
> drop table | Remove an existing table from the eXtremeSQL Metatable
> create index | Create an index on an existing table
> drop index | Remove an existing index from the eXtremeSQL Metatable
> create synonym | Create a synonym, which is an alternative name (or alias) for a table
> drop synonym | Remove an existing synonym