sde表创建是有注册或者是关联关系存在的 按照以下步骤删除表的数据
select t.* from sde.TABLE_REGISTRY t where table_name like 'IRR%';
DELETE from sde.TABLE_REGISTRY where table_name='IRRIGATION_TYPE';
select t.* from sde.LAYERS t where table_name like 'IRR%';
DELETE from sde.LAYERS where table_name='IRRIGATION_TYPE';
select t.* from sde.GEOMETRY_COLUMNS t WHERE t.F_TABLE_NAME like 'IRR%';
DELETE from sde.GEOMETRY_COLUMNS where F_TABLE_NAME='IRRIGATION_TYPE';
select t.* from sde.COLUMN_REGISTRY t where t.TABLE_NAME like 'IRR%';
DELETE from sde.COLUMN_REGISTRY where TABLE_NAME='IRRIGATION_TYPE';
)
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