"Test" creates T1 and T2 tables in the HR user's own form to write an SQL statement (NL connection)

Source: Internet
Author: User
Tags sorts

Sql> SelectT1.*  fromT1,t2whereT1.object_id=T2.object_id; Aboutrows selected. ExecutionPlan----------------------------------------------------------PlanHash value:1506669289---------------------------------------------------------------------------------------|Id|Operation|Name|Rows|Bytes|Cost (%CPU)| Time|---------------------------------------------------------------------------------------|   0 | SELECTSTATEMENT|        |     About | 16929 |   201(0)| xx:xx:Geneva ||   1 |NESTED LOOPS|        |     About | 16929 |   201(0)| xx:xx:Geneva ||   2 |NESTED LOOPS|        |     About | 16929 |   201(0)| xx:xx:Geneva ||   3 |    TABLEACCESS Full         |T2|     About |  1287 |     3(0)| xx:xx: on ||*  4 |    INDEXRANGE SCAN|Idx_t1|     1 |       |     1(0)| xx:xx: on ||   5 |   TABLEACCESS by INDEXROWID|T1|     1 |   158 |     2(0)| xx:xx: on |---------------------------------------------------------------------------------------predicate information (identified byoperation ID):---------------------------------------------------   4 -Access ("T1". "object_id"="T2". "object_id") Note-----   -Dynamic sampling used forThis statement ( Level=2)Statistics----------------------------------------------------------          8Recursive calls0db block gets135consistent gets4Physical reads0Redo Size6108Bytes sent via SQL*Net toClient589Bytes received via SQL*Net fromClient8Sql*Net roundtrips to/ fromClient0sorts (memory)0Sorts (Disk)          AboutRows processed

"Test" creates T1 and T2 tables in the HR user's own form to write an SQL statement (NL connection)

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.