While working in one of Data Guard projects, I was asked about the current sync status of standby. I started talking about gap, SCN, or applied and received archive log numbers, and so on, which obviously did not make sense to business users. The only thing they’d like to know is whether or not data …
This is an interesting post by Tanel Poder on “Your read only accounts aren’t that read only”. Basically a read-only account with the select privilege only on a table can issue the lock on that table even though it does not have any DML privileges. This means that it could prevent any further DMLs (causing …
The SQL*Plus COPY command can copy data between two databases via SQL*Net. Syntax: USER1 @srcdb> copy usage: COPY FROM [db] TO [db] [opt] [table] { ([cols]) } USING [sel] [db] : database string, e.g., hr/your_password@d:chicago-mktg [opt] : ONE of the keywords: APPEND, CREATE, INSERT or REPLACE [table]: name of the destination table [cols] : a …
One of the web development projects using Oracle APEX I’m working on is to upload the content of a text file in csv format into database. By default, all files using the “File Browse..” element will be uploaded to the “wwv_flow_files” table which has structure as follows: [source language=”sql”] SQL> desc wwv_flow_files Name Type Nullable …
APEX to upload a text file and write into a table Read More »
Today I installed Oracle 11g (11.1.0.6) on my machine. I did not realize that Oracle APEX is a part of the standard database components. So after the 11g installation, I just follow simple steps (shown later below) for the post-installation. In order to access the APEX application, either the embedded PL/SQL gateway or Oracle HTTP …
