alter database character set

1. View the database character setThe database server character Set select * from Nls_database_parameters, which is derived from props$, is the character set representing the database.　　Client Character Set Environment select * from

Import all tables and data for a user:Imp sgp/[email PROTECTED]:1521/ORCL file=sgp20161025.dmp full=yTo export the specified tables and data:Exp Sgp/[email PROTECTED]:1521/ORCL file=20160921sgp_table_sysmodule_sysdict.dmp tables= (Sgp_sysmodule, sgp_

I. Problems and CausesThe app wanted to support emoji, but found that the MySQL database was unable to write emoticons. The reason is that our MySQL database is UTF8 encoded by default, the UTF8 encoding is stored with three bytes, but the emoji

Check the Select Userenv (' language ') from dual first, view the Oracle character set,$ sqlplus/nologSql> Connect sys/oracle as SysdbaSql> StartupHow to set the encoding for an Oracle database (ZHS16GBK) modified to UTF8sql> shutdown immediate;sql>

Service-side Character Set modification 1, confirming the service-side character set1 Select userenv ('language' from dual;2. Modify the service-side character set to first log in to Oracle as a DBA. Run commands directly under the Windows system

A character set error was found after installing Oracle, so you need to modify the character set as follows:System Environment: CentOS 6.5Oracle Version: 10.21. Log in to the system and switch to Oracle user rights # su-oracle2. Then enter:$ sqlplus/

The process is as follows:1-Confirm the following installation package, if not installed, find the appropriate package from the CD to install#rpm-qa | grep

Common scenario: When backing up an Oracle database from the server and restoring the Oracle database on the local machine, you often encounter inconsistent database character encoding, and can use the following command to change the local Oracle

The first part: LINUX RHEL as 4 installation To run the prompt:1) Press the front and back of the keyboard to adjust the position of the cursor2) tick the brackets in the front of the options or remove the * number, and select this option to use

Select Userenv (' language ') from dual;Simplified Chinese_china. Al32utf8Sql> Conn/as sysdba;sql> shutdown immediate;Database dismounted.sql> startup Mount;Total system global Area 135337420 bytesFixed size 452044 bytesVariable size 109051904

MySQL changes the character set of an existing data table, preserving the original data content Original URL: http://blog.csdn.net/learn_2/article/details/6460370Environment: In the beginning of the application does

I. what is the Oracle character setThe Oracle character set is a collection of symbols that interpret a byte of data, have a size, and have a mutual containment relationship. ORACLE's support for national language architectures allows you to store,

To view the Oracle database character set:Sql> Select Userenv (' language ') from dual;USERENV (' LANGUAGE ')--------------------------------------------------------------------------------American_america. we8mswin1252sql> shutdown immediate;sql>

PL/SQL Developer encoding format set one, PL/SQL developer in the text field display garbled reason: Because the database number format and PL/SQL Developer encoding format is not uniform caused. TwoView and modify the Oracle database character set:

ORACLE11G cloning An instance by DBCA:1. ModelingDbca-silent (silent mode)-createclonetemplate (create clone template with existing database)-sourcedb (target data source)-templatename (template name)Cases:Dbca-silent-createclonetemplate-sourcedb

The process is as follows:1-Confirm the following installation package, if not installed, find the appropriate package from the CD to install#rpm-qa | grep

--View the Oracle database character set:Select Userenv (' language ') from dual;Query Result:Simplified Chinese_china. Al32utf8--Modifying the Oracle Database Character set: (In SQL Plus)Sql> Conn/as sysdba;sql> shutdown immediate;Database

To modify the character set of a database library tableData Character Set modification stepsCorresponding to the existing database to modify the character set, cannot be directly through the "ALTER DATABASE character set *"or "ALTER TABLE tablename

Recently, when a colleague deploys the system outside, the UTF-8 encoding format may be selected when the database is installed, and when the INSERT statement is imported, a Chinese character is considered to be three bytes, which is not

Oracle 11g Database Modified character SetNls_characterset I set the database to ZHS16GBK while developing the required UTF8According to the development reactionWhen inserting a piece of data into a database table, the Chinese is changed to resemble