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TIBCO ActiveSpaces® 4.8.0

# Defining a Table by Using SQL DDL Commands

Instead of using the tibdg command-line tool to define tables and index columns, you can use SQL Data Definition Language (DDL) command strings from within an application. When you pass these commands to the ExecuteUpdate API of the tibdgSession object, you can dynamically create and drop tables, and secondary table indexes, in a running data grid.

Before you begin

1. A realm service must be running and reachable.
2. The realm service must contain a valid data grid definition.
3. The tibdgadmind process must be running.
4. The data grid processes must be running (such as state keeper, nodes, and proxies).
5. If permissions are enabled on a data grid, ensure that you have the `tibdg-ddl` role. For more information, see ActiveSpaces Custom Roles.

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