When we connect the database, search data, found in the text all turned out to be??????? , this time we want to see the correct information in Chinese, do you?
First, we need to execute an SQL statement in PLSQL SELECT USERENV (" language ") FROM DUAL; Will find out a data, the data is a kind of coding format,
Then we just need a new system in environment variable variables, variable called: NLS_LANG; A variable's value is: the SIMPLIFIED (just found out the coding format)
Only need to restart the PLSQL can,

CodePudding user response:

Thanks for sharing!