请问连接逻辑文件都是read-only的吗？

踏雪有痕

逻辑文件FJQQIRA定义如下：

   A          R FPQQASR                   JFILE(FPQQIR FPQQHT)
     A          J                           JOIN(1 2)
     A                                      JFLD(IRNINC HTNINC)
     A                                      JFLD(IRNVDN HTNVDN)
     A                                      JFLD(IRNPUR HTNPUR)
     A            IRNINC               JREF(FPQQIR)
     A            IRNVDN              JREF(FPQQIR)
     A            IRNPUR              JREF(FPQQIR)
     A            FILLER               JREF(FPQQIR)


在STRSQL中使用SQL语句UPDATE

UPDATE FJQQIRA SET FILLER = 'AAAA'

得到错误信息：
View or logical file FJQQRA read-only.

请问连接逻辑文件都是read-only的吗？还是在什么地方可以设置，谢谢

踏雪有痕

没人知道：－（

fxf_china

DB2_400DatabaseProgramming.PDF

However, a few restrictions are placed on join logical files:
v You cannot change a physical file through a join logical file. To do update,
delete, or write (add) operations, you must create a second multiple format
logical file and use it to change the physical files. You can also use the physical
files, directly, to do the change operations.------!!!
v You cannot use DFU to display a join logical file.
v You can specify only one record format in a join logical file.
v The record format in a join logical file cannot be shared.
v A join logical file cannot share the record format of another file.
v Key fields must be fields defined in the join record format and must be fields
from the first file specified on the JFILE keyword (which is called the primary
file).
v Select/omit fields must be fields defined in the join record format, but can come
from any of the physical files.
v Commitment control cannot be used with join logical files.

踏雪有痕

明白了，谢谢楼上