例如,将NLS_NCHAR_CHARACTERSET从UTF8修改为AL16UTF16: sql ALTER DATABASE NATIONAL CHARACTER SET INTERNAL_USE AL16UTF16; 关闭并重新启动数据库: sql SHUTDOWN IMMEDIATE; STARTUP; 5. 验证NLS_NCHAR_CHARACTERSET是否修改成功 修改完成后,可以使用以下SQL查询验证NLS_NCHAR_CHARACTERSET是否已成功修改: ...
NLS_ISO_CURRENCY AMERICA NLS_NUMERIC_CHARACTERS ., NLS_CHARACTERSET AL32UTF8 NLS_CALENDAR GREGORIAN NLS_DATE_FORMAT DD-MON-RR NLS_DATE_LANGUAGE AMERICAN NLS_SORTBINARYNLS_TIME_FORMAT HH.MI.SSXFF AM NLS_TIMESTAMP_FORMAT DD-MON-RR HH.MI.SSXFF AM NLS_TIME_TZ_FORMAT HH.MI.SSXFF AM TZR...
测试数据库的NLS_NCHAR_CHARACTERSET和正式环境不一致,需要由UTF8修改为AL16UTF16。 1、停数据库 SQL> alter system checkpoint; System altered. SQL> alter system checkpoint; System altered. SQL> alter system switch lo ...
The NLS_CHARACTERSET is used for CHAR, VARCHAR2, LONG and CLOB columns; The NLS_NCHAR_CHARACTERSET is used for NCHAR, NVARCHAR2 and NCLOB columns. From 9i onwards the NLS_NCHAR_CHARACTERSET can have only 2 values: UTF8 or AL16UTF16 who are Unicode charactersets...
15) Having an UTF8 or AL32UTF8 NLS_CHARACTERSET db is there a advantage to use AL16UTF16 N-types ?16) I have a message running DBUA (Database Upgrade Assistant) about NCHAR type when upgrading from 8i .17) How to go from an UTF8 NLS_NCHAR_CHARACTERSET to AL16UTF16 NLS_NCHAR_...
UTF8 2、oracle修改服务器端字符集: SQL>alter system checkpoint; SQL>alter system switch logfile; SQL>SHUTDOWN IMMEDIATE; SQL>STARTUP MOUNT EXCLUSIVE; SQL>ALTER SYSTEM ENABLE RESTRICTED SESSION; SQL>ALTER SYSTEM SET JOB_QUEUE_PROCESSES=0;
This tutorial describes how to change the national character set (NLS_NCHAR_CHARACTERSET) of your Oracle database to UTF8. For a retroactive SAP add-in installation of a SAP J2EE server on an existing SAP non-Unicode system (Add-In installation) and inst
AL16UTF16: 可存储任何字符的 Unicode 字符集。 UTF8: 可存储大部分字符的 Unicode 字符集,节省存储空间。 US7ASCII: 仅支持英文字符的 7 位 ASCII 字符集。 注意事项 在修改 NLS_NCHAR_CHARACTERSET 设置之前,请确保备份数据库,以免意外导致数据丢失。 修改NLS_NCHAR_CHARACTERSET 可能需要重建现有的表和索引,因...
NLS_NCHAR_CHARACTERSET AL16UTF16 NLS_CHARACTERSET ZHS16GBK NLS_ISO_CURRENCY AMERICA NLS_CURRENCY $ NLS_TERRITORY AMERICA NLS_LANGUAGE AMERICAN20 rows selected.SQL> alter database national character set internal_use UTF8; alter database national character set internal_use UTF8 ...
NLS_CHARACTERSET AL32UTF8 NLS_CALENDAR GREGORIAN NLS_DATE_FORMAT DD-MON-RR NLS_DATE_LANGUAGE AMERICAN NLS_SORT BINARY NLS_TIME_FORMAT HH.MI.SSXFF AM NLS_TIMESTAMP_FORMAT DD-MON-RR HH.MI.SSXFF AM NLS_TIME_TZ_FORMAT HH.MI.SSXFF AM TZR NLS_TIMESTAMP_TZ_FORMAT DD-MON-RR HH.MI.SS...