Author name: ittichai

Ittichai C.

JDBC connection samples in Oracle Enterprise Data Quality (OEDQ) to Oracle Service Name and MS SQL SSL

This post is just a quick note to myself on how to configure JBDC on Oracle Enterprise Data Quality (OEDQ) to connect to different databases. First let’s talk about connecting to Oracle database. By default, OEDQ’s Data Store can only connect Oracle database by SID, but not by Service Name.   Fortunately, the JDBC connection …

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Install APEX’s Sample Packaged Application by Importing its SQL Script

If for some reason, you could not install the APEX sample packaged application via Application Builder > Packaged Applications interface, you have an option of installing it by importing the SQL script (fxxxx.sql). In my case, when installing via the Packaged Applications interface, I got the following error: While working with DBA and Oracle support …

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Oracle Database Gateways 11g R2 (11.2) Installation and Configuration for heterogeneous connection from Oracle to Microsoft SQL database

Installation Install the Oracle Database Gateways 11g R2 (11.2). See the screen snapshots of the installation here. Configuration During the installation, the following+ default initialization parameter file is created: [ORACLE_DG_HOME]\dg4msql\admin\initdg4msql.ora dg4msql = Database gateway for Microsoft SQL Server. If you choose a different database option, use the appropriate path name. Copy initdg4msql.ora to a new …

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How long did Oracle materialized view refresh run?

The LAST_REFRESH_DATE column of the DBA_MVIEWS or the LAST_REFRESH column of the DBA_MVIEW_REFRESH_TIMES indicates the start refresh time. But what if we’d like to find out how long the refresh of the materialized view really takes. Well, we can query the DBA_MVIEW_ANALYSIS. For Complete Refresh, the refresh duration will be in the FULLREFRESHTIM column of …

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Resizing the filesystem using Logical Volume Manager within Oracle Linux

Oftentimes we all run into the situation where the file system is full (or almost full) and need more space. This expansion task seems to be a lot easier when using the Logical Volume Manager (LVM) in Oracle Linux. Review the current size. [root@ol6 ~]# df -H Filesystem             Size   Used  Avail Use% Mounted on /dev/mapper/vg_ol6-lv_root …

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