Our usual DML, DDL, and DCL statements are sql*plus statements that, when executed, can be stored in an area of memory called SQL Buffer, and can only hold a recently executed SQL statement, and we can save SQL in SQL buffer Statements are modified
The DML, DDL, and DCL statements we usually call are SQL * plus statements. After they are executed, they can be stored in a memory area called SQL buffer, in addition, only one SQL statement can be saved recently. We can modify the SQL statement
[Oracle]sqlplus Start parameter description# su-oracle [Grid]Usage 1:sqlplus-h | -V-H[ELP]:Displays the syntax and usage of the Sql*plus command, and then returns control to the operating system.-v[ersion]:Displays the version number of the Sql*plus,
1. What is sqlplus? Sqlplus is an interactive tool for batch query. Sqlplus is installed for each oracle database. Sqlplus works in the command line mode. SQL * Plus has its own command set and environment. Sqlplus provides users with a way to
Tips for using sqlplus
During Oracle maintenance, Oracle currently has many easy-to-use client tools, such as PLSQL, delveloer, and toad. However, as a database administrator, you also need to deal with sqlplus frequently, some common operations
Help is not in sqlplus after the manual build, and the following records how to install and delete the help command in Sqlplus.
Note: The Sqlplus help command is available only when the database is open. Non-open state use help also error: Sp2-0171:
At work, there are often no third-party SQL tools such as sqplus developer, which must be directly queried on the server using sqlplus.
For example, to view the SGA value of the system parameter;
The execution result is as follows:
[Gysy01 @
Sqlplus automatically runs two scripts at startup: Glogin.sql, login.sql these two files
The order of execution is
1. Default to find Glogin.sql file execution under $oracle_home/sqlplus/admin path
2. Default in the current path to find Login.sql
Sqlplus provides many common commands. The following describes how to use them.
1-> sqlplus login and exit
Sqlplus-H |-v-H displays the version and help information of sqlplus, and-V displays the login Syntax of its version information:
Is :
1. What is the initial password after oracle is installed?
Internal/Oracle
Sys/change_on_install
System/Manager
Scott/Tiger
Sysman/oem_temp
2. What is the initial Default User and password of Oracle9iAS Web Cache?Administrator/Administrator
3. How
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.