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課程簡介
創建複雜的數據庫查詢
- 使用可用的運算符
- 多條件查詢
創建表格和引用
- DDL命令(create、alter、drop)
- 創建引用完整性
- 表格正規化(至第三範式)
- 異常及其避免方法
修改現有表格結構
- ALTER子句
數據操作
- DML命令(insert、update、delete)
創建新用戶並授予權限
- DCL命令(grant、revoke)
表格連接
- 內部與外部連接
數據聚合
- 分組函數的特性
- 使用GROUP BY子句和HAVING
- 多列分組
子查詢
- 多列
- 相關
- WITH子句
最低要求
Oracle SQL 的基础知识
14 時間:
客戶評論 (2)
I enjoyed the access to trainers individual support in resolving exercises.
Tomasz Czornak
Course - Oracle SQL Intermediate
Trainer provided some topic and support it with plenty of exercises. We had a chance to apply knowledge by doing them on our own.