立即与支持人员聊天
与支持团队交流

Spotlight on Oracle 10.6 - Getting Started Guide

Welcome to Spotlight Install Spotlight Start Spotlight Spotlight on Oracle Spotlight on Oracle Data Guard Spotlight on Oracle RAC Spotlight on Unix Spotlight on Windows Spotlight on MySQL Troubleshooting: Connection Problems

Index Operations

The following table shows some of the common index operations you may encounter while using the Explain SQL window.

Operation Option Description

AND-EQUAL

 

The results from one or more index scans are combined.

INDEX

UNIQUE SCAN

An index lookup that returns the address (ROWID) of only one row.

INDEX

RANGE SCAN

An index lookup that returns the ROWID of more than one row. This may be because the index is non-unique, or because a range operator (for example, >) was used.

 

Related Topics

相关文档

The document was helpful.

选择评级

I easily found the information I needed.

选择评级