SQL>alter systemsetmax_string_size=standard scope=both;alter system set max_string_size=standard scope=both*ERROR at line 1:ORA-02097: parameter cannot be modified because specified value is invalidORA-14693: Th
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定义为4000字节以上的varchar2、nvarchar2以及2000字节以上的raw字段的话,被称作extended character data type columns,以out of line方式存储。 参数MAX_STRING_SIZE控制扩展数据类型extended data type的最大长度: STANDARD 代表12c之前的长度限制,即varchar2、nvarchar2 4000 bytes, raw 是2000 bytes EXTENDED 代表12...
This note talks about a potential impact if you do ALTER table modify column option for existing table to increase the column length > 4k.This is specific to 12c database after setting MAX_STRING_SIZE as EXTENDED.SolutionSign In To view full details, sign in with your My Oracle Support ...
oracle中varchar2(byte)和varchar2(char) 细节决定成败,大家在设计数据库建表的时候一定要注意。 oracle varchar2(byte) varchar2(char) 区别2011-10-28 上传大小:28KB 所需:50积分/C币 映射SQLJAA类型.doc 数据库 上传者:zhangao_fengg时间:2024-07-15 ...
functions for generalized common routines frequently executed since code is efficient. Also, use user-written packages and functions for application shared code. Before you write a user-written package or function, first verify it doesnt already exist with Oracle. One good reason to do this ...