學會寫高階查詢

在不同的資料庫應用部署可以用到：

-匯出建序列語句
SELECT 'CREATE SEQUENCE' || a.sequence_name ||' MINVALUE' || a.min_value ||
'MAXVALUE' || a.max_value || 'START WITH' || a.last_number ||
'INCREMENT BY' || a.increment_by || 'CACHE' || a.cache_size ||';'
FROM user_sequences a;

--匯出建表語句
SELECT 'CREATE TABLE ' || A.TABLE_NAME || ' AS SELECT * FROM ' ||
A.TABLE_NAME || ';'
FROM USER_TABLES A;

...類推

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