Restrictions on Altering Temporary Tables

最新推荐文章于 2022-10-05 15:13:28 发布

转载最新推荐文章于 2022-10-05 15:13:28 发布 · 91 阅读

本文详细介绍了在使用临时表时的各项限制条件，包括但不限于不能添加嵌套表类型字段、无法指定新增或修改字段的参照完整性约束等。对于希望深入了解临时表特性的数据库开发者来说，本文提供了宝贵的指导。

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You can modify, drop columns from, or
rename a temporary table. However, for a temporary table you cannot:
■ Add columns of nested table type. You can add columns of other types.
■ Specify referential integrity (foreign key) constraints for an added or modified
column.
■ Specify the following clauses of the LOB_storage_clause for an added or
modified LOB column: TABLESPACE, storage_clause, logging_clause,
allocate_extent_clause, or deallocate_unused_clause.
■ Specify the physical_attributes_clause, nested_table_col_
properties, parallel_clause, allocate_extent_clause, deallocate_
unused_clause, or any of the index-organized table clauses.
■ Exchange partitions between a partition and a temporary table.
■ Specify the logging_clause.
■ Specify MOVE.[@more@]

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