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使用Oracle数据库select查询。
1，显示所有表名:
2，显示所有列名:
select OWNER, TABLE_NAME, COLUMN_NAME
from all_tab_columns where table_name = atablename;
3，创建临时表
CREATE GLOBAL TEMPORARY TABLE Table_name
(责任编辑：IT)(startdate DATE, enddate DATE, class CHAR(20)) ON COMMIT DELETE ROWS; |