sql进阶
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- 一、table access full(多块读)
- 二、table access by user rowid(单块读)
- 三、table access by rowid range(多块读)
- 四、table access by index rowid(单块读)
- 五、index unique scan(单块读)
- 六、index range scan(单块读)
- 七、index skip scan(单块读)
- 八、index full scan(单块读)
- 九、index fast full scan(多块读)
- 十、index full scan(min/max)(单块读)
- 十一、mat_view rewrite access full(多块读)