Oracle-Tips and Tricks | Varinder Sandhu

How To – Find the locking object and release object lock

Varinder Sandhu — Fri, 26 Jul 2013 11:00:41 +0000

Many time we faced the performance issue because of Locks on rows and it cause the delay to finishing the other transactions. So with the help of following steps you will able to find the locking objects and can release the object locks in Oracle Database. Let us create the

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Toad – SQLNET Editor and TNS Names Editor Disabled

Varinder Sandhu — Thu, 16 May 2013 16:00:52 +0000

While trying to connect to a Database using Toad with TNS, Even the TNS entry is created in tnsnames.ora file under Oracle Home\NETWORK\ADMIN Issue 1: SQLNET Editor and TNS Names Editor Disabled as shown in below snapshot Issue 2: Not able to find the TNS Name in the dropdown as

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Oracle – Create tablespace and User / Schema

Varinder Sandhu — Mon, 29 Apr 2013 14:55:55 +0000

Creating a tablespace and user is a very common task after creating an oracle database. Before going further must read the post Schema vs. User In this post we will see how to create tablespace and user with example Tablespace Each tablespace in an Oracle database consists of one or

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Oracle Client Installation

Varinder Sandhu — Fri, 29 Mar 2013 09:31:31 +0000

Installation Steps: Extract the OracleClientODBC-32Bit or OracleClientODBC-64Bit zipped folder according to the Machine (32bits or 64bits). Now set 4 environment variables at client machine as System Variable. My Computer Properties >> Advanced >> Environment Variables PATH: Set the path. Put ‘;’ at the end of existing path and give the

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Oracle – Import data from CSV file using SQL Loader

Varinder Sandhu — Wed, 21 Nov 2012 14:16:29 +0000

In this post we will see how we can transfer the data from CSV to oracle database using SQL Loader. SQL Loader is a bulk loader utility used for moving data from external files into the Oracle database. One can use SQL Loader utility to transfer the data for high

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Oracle – Table Row count for all tables

Varinder Sandhu — Thu, 01 Nov 2012 17:25:26 +0000

Here is a simple SQL script with the help we can find the Table Row count for all tables. Yes we can find the row count using select count(*) for each table. This will be useful if you large number of tables are there in your database. Example Script: --

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Oracle – ORA-01653 – unable to extend table in tablespace – Fix

Varinder Sandhu — Thu, 20 Sep 2012 19:13:58 +0000

Error: ORA-01653: unable to extend table in tablespace Cause: Failed to allocate an extent of the required number of blocks for a table segment in the tablespace indicated. Note: Change the table space name for that you need the information in the below Scripts (Script: 1 & 2) Solution: Script:

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Oracle – Auto Generate Insert Statement with Toad

Varinder Sandhu — Fri, 14 Sep 2012 17:21:32 +0000

This is very quick way to generate the Insert Statement for all of the data in your table. Let us take an example; we have a table as shown below… Right click on the Result Grid and go to Option à Export Dataset Select the Export Format as “Insert Statement”

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Toad – Update the Select Result in Toad with ROWID

Varinder Sandhu — Fri, 27 Jul 2012 15:14:57 +0000

If you want to update your select result in toad, just add the ROWID is your select statement. Once you select the records with ROWID then you can edit/update your result grid. You can also see the Green indicator as shown in the below screenshot that means your records are

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Oracle – Get IP Address and Host Name

Varinder Sandhu — Wed, 04 Apr 2012 15:58:54 +0000

With UTL_INADDR The UTL_INADDR package provides a PL/SQL procedure to support internet addressing. It provides an API to retrieve host names and IP addresses of local and remote hosts. Example select UTL_INADDR.GET_HOST_NAME Host_Name, UTL_INADDR.GET_HOST_ADDRESS IP_Address from dual ; With SYS_CONTEXT SYS_CONTEXT returns the value of parameter associated with the context

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