Home Database Mysql Tutorial 在Oracle中启用AutoTrace查看SQL执行计划

在Oracle中启用AutoTrace查看SQL执行计划

Jun 07, 2016 pm 04:22 PM
oracle enable implement Check plan

通过以下方法可以把Autotrace的权限授予Everyone, 如果你需要限制Autotrace权限,可以把对public的授权改为对特定user的授权。 D:oracleora92sqlplus /nolog SQL*Plus: Release 9.2.0.1.0 - Production on 星期二 6月 3 15:16:03 2003 Copyright (c) 1982,

   通过以下方法可以把Autotrace的权限授予Everyone,

  如果你需要限制Autotrace权限,可以把对public的授权改为对特定user的授权。

  D:oracleora92>sqlplus /nolog

  SQL*Plus: Release 9.2.0.1.0 - Production on 星期二 6月 3 15:16:03 2003

  Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.

  SQL> connect sys as sysdba

  请输入口令:

  已连接。

  SQL> [b]@?rdbmsadminutlxplan[/b]

  表已创建。

  SQL> create public synonym plan_table for plan_table;

  同义词已创建。

  SQL> grant all on plan_table to public ;

  授权成功。

  SQL>[b] @?sqlplusadminplustrce[/b]

  SQL>

  SQL> drop role plustrace;

  drop role plustrace

  *

  ERROR 位于第 1 行:

  ORA-01919: 角色'PLUSTRACE'不存在

  SQL> create role plustrace;

  角色已创建

  SQL>

  SQL> grant select on v_$sesstat to plustrace;

  授权成功。

  SQL> grant select on v_$statname to plustrace;

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
2 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
Repo: How To Revive Teammates
4 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
Hello Kitty Island Adventure: How To Get Giant Seeds
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

Function to calculate the number of days between two dates in oracle Function to calculate the number of days between two dates in oracle May 08, 2024 pm 07:45 PM

The function in Oracle to calculate the number of days between two dates is DATEDIFF(). The specific usage is as follows: Specify the time interval unit: interval (such as day, month, year) Specify two date values: date1 and date2DATEDIFF(interval, date1, date2) Return the difference in days

How long will Oracle database logs be kept? How long will Oracle database logs be kept? May 10, 2024 am 03:27 AM

The retention period of Oracle database logs depends on the log type and configuration, including: Redo logs: determined by the maximum size configured with the "LOG_ARCHIVE_DEST" parameter. Archived redo logs: Determined by the maximum size configured by the "DB_RECOVERY_FILE_DEST_SIZE" parameter. Online redo logs: not archived, lost when the database is restarted, and the retention period is consistent with the instance running time. Audit log: Configured by the "AUDIT_TRAIL" parameter, retained for 30 days by default.

The order of the oracle database startup steps is The order of the oracle database startup steps is May 10, 2024 am 01:48 AM

The Oracle database startup sequence is: 1. Check the preconditions; 2. Start the listener; 3. Start the database instance; 4. Wait for the database to open; 5. Connect to the database; 6. Verify the database status; 7. Enable the service (if necessary ); 8. Test the connection.

How to use interval in oracle How to use interval in oracle May 08, 2024 pm 07:54 PM

The INTERVAL data type in Oracle is used to represent time intervals. The syntax is INTERVAL <precision> <unit>. You can use addition, subtraction, multiplication and division operations to operate INTERVAL, which is suitable for scenarios such as storing time data and calculating date differences.

How to see the number of occurrences of a certain character in Oracle How to see the number of occurrences of a certain character in Oracle May 09, 2024 pm 09:33 PM

To find the number of occurrences of a character in Oracle, perform the following steps: Get the total length of a string; Get the length of the substring in which a character occurs; Count the number of occurrences of a character by subtracting the substring length from the total length.

Oracle database server hardware configuration requirements Oracle database server hardware configuration requirements May 10, 2024 am 04:00 AM

Oracle database server hardware configuration requirements: Processor: multi-core, with a main frequency of at least 2.5 GHz. For large databases, 32 cores or more are recommended. Memory: At least 8GB for small databases, 16-64GB for medium sizes, up to 512GB or more for large databases or heavy workloads. Storage: SSD or NVMe disks, RAID arrays for redundancy and performance. Network: High-speed network (10GbE or higher), dedicated network card, low-latency network. Others: Stable power supply, redundant components, compatible operating system and software, heat dissipation and cooling system.

How much memory does oracle require? How much memory does oracle require? May 10, 2024 am 04:12 AM

The amount of memory required by Oracle depends on database size, activity level, and required performance level: for storing data buffers, index buffers, executing SQL statements, and managing the data dictionary cache. The exact amount is affected by database size, activity level, and required performance level. Best practices include setting the appropriate SGA size, sizing SGA components, using AMM, and monitoring memory usage.

How to replace string in oracle How to replace string in oracle May 08, 2024 pm 07:24 PM

The method of replacing strings in Oracle is to use the REPLACE function. The syntax of this function is: REPLACE(string, search_string, replace_string). Usage steps: 1. Identify the substring to be replaced; 2. Determine the new string to replace the substring; 3. Use the REPLACE function to replace. Advanced usage includes: multiple replacements, case sensitivity, special character replacement, etc.

See all articles