public Change[] prepareDatabase(CreateProcedureChange change) throws Exception {
CreateTableChange createTableChange = new CreateTableChange();
createTableChange.setCatalogName(change.getCatalogName());
createTableChange.setSchemaName(change.getSchemaName());
createTableChange.setTableName("customers");
createTableChange.addColumn(new ColumnConfig().setName("id").setType("int").setConstraints(new ConstraintsConfig().setNullable(false).setPrimaryKey(true)).setAutoIncrement(true));
createTableChange.addColumn(new ColumnConfig().setName("first_name").setType("varchar(50)"));
createTableChange.addColumn(new ColumnConfig().setName("last_name").setType("varchar(50)"));
return new Change[] {createTableChange };