方法一: SQL>SELECTvalue$FROMsys.props$WHEREname='NLS_CHARACTERSET'; VALUE$---AL32UTF8 方法二: SQL>SELECT*FROMNLS_DATABASE_PARAMETERSWHEREparameter='NLS_CHARACTERSET'; PARAMETER VALUE---NLS_CHARACTERSET AL32UTF8
1SQL>alter database character set utf8;2alter database character set utf83*4ERROR at line1:5ORA-12712: new character set must be a superset of old character set67//Notice!This means that UTF8 is not the superset of ZHS16GBK.89SQL>alter database character set internal_use utf8;10alte...
Special value. What character set it returned depends on where this class running. When run in the server this is the database character set. When run in a client ... See Also: Constant Field ValuesASCII_CHARSETpublic static final short ASCII_CHARSET ...
Sets the designated parameter to a Java CharacterStream value. voidsetCHARAtName(String parameterName, CHAR value) Sets the designated parameter to an oracle.sql.CHAR value. voidsetCheckBindTypes(boolean flag) Enable/disable bind type checking. voidsetCLOB(int parameterIndex, CLOB lob) ...
oracledmp字符集处理和数据库字符集修改(OracleDMPcharacter setprocessinganddatabasecharactersetmodification) Oftenthereareproblemsassociatedwithcolleaguesconsultthe Oracledatabasecharacterset,suchasindifferentdatabase datamigrationanddataexchangewithothersystems,often becauseofdifferentcharactersetsandleadtomigration failureor...
alter database character set INTERNAL_CONVERT ZHS16GBK; alter system DISABLE restricted session; 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 实验过程: [oracle@rhel6lhr dbs]$ ORACLE_SID=CDBLHR18c [oracle@rhel6lhr dbs]$ sas
默认情况下,在OracleDatabase 11g 中将为对安全性非常重要的特定权限启用审计。审计线索默认记录在数据库AUD$ 表中,AUDIT_TRAIL 参数设置为DB。对于大多数站点而言,这些审计不会对数据库性能造成太大影响。Oracle建议使用操作系统审计线索文件。 注意: Oracle 11g的审计记录表SYS.AUD$是放在SYSTEM 表空间。 而且增长巨...
Before you run any connector operations, on your Oracle client, set the environment variable named ORA_NCHAR_LITERAL_REPLACE to TRUE. This setting enables NCHAR string literal replacement, which prevents data loss when string literals that contain characters beyond the database character set are inser...
OracleDatabase 10gEnterprise Edition Release 10.2.0.1.0 -Production With the Partitioning,OLAP and Data Mining options 已导出 ZHS16GBK 字符集和 AL16UTF16 NCHAR 字符集 即将导出整个数据库... . 正在导出表空间定义 ... . 正在导出 pre-schema 过程对象和操作 . 正在导出簇定义 . 即将导出 SYSTEM 的...
使用DBMS_TDB.CHECK_EXTERNAL来识别外部表、Directories或BFILES等,这些对象所指向的外部数据不能被RMAN自动转移。SQL> set serveroutput onSQL> declare2 external boolean;3 begin4 external := dbms_tdb.check_external;5 end;6 /The following directories exist in the database:...