I'm trying to use ctx_ddl.drop_preference pl/sql package, but getting error while compiling store procedure
"identifier 'CTX_DDL' must be declared"
Can someone explain how and where this package should be used.
I'm lloking at somebody's code and apparently the purpose of it is to convert LONG to CLOB.
Looks like the person is trying to create index for clob value.
Have you ever had to make fundamental changes to a table in Oracle, but haven't been able to get any downtime? I'm talking things like:
* Dropping columns
* Shrinking allocated space
* Removing chained blocks and restoring the PCTFREE