How to split comma separated string into rows
In rare cases we might need to convert string data into rows. So, you can simply do this using the code below. If your string is not comma […]
More DetailsAdaptive Cursor Sharing & Histograms
Adaptive cursor sharing has been used in Oracle 11g first. This feature enables a single statement that contains bind variables to use multiple execution plans. According to the […]
More DetailsAnalytic functions & Windowing clause
Analytic functions have been used from the early versions of Oracle. It make it easy to developers in many tasks, especially reporting. In this article, I am going […]
More DetailsUnlock Apex admin account
You can find the lock accounts from the following query. So, in order to unlock the admin user. Login with SYS and execute the following PL/SQL block. I […]
More DetailsSUBSTR vs DBMS_LOB.SUBSTR
We have to choose the right built-in function when developing pl/sql applications. The following test case shows the performance outcome between SUBSTR and DBMS_LOB.SUBSTR functions. This test was […]
More DetailsPrint clob data with htp.prn
As it is known, HTP.PRN procedure does not support clob data. None of the HTP.PRN procedures shown in below support CLOB data type as input. So, the following […]
More DetailsIn-Doubt Transactions and ORA-02049 timeout distributed transaction waiting for lock
Distributed transactions perform DML on multiple databases. If any issue occurs during this transaction such as network or system problems etc. The transaction becomes in-doubt. Normally, Oracle’s RECO […]
More DetailsPivot and Unpivot Operators in Oracle 11g
PIVOT In this article you will learn how to use PIVOT and UNPIVOT operators. Basically, pivot operator allow you to transpose rows into columns. Prior to 11g, it […]
More DetailsORA-22859 invalid modification of columns
When you try to convert datatype CLOB to VARCHAR2, you get the ORA-22859 invalid modification of columns error even if the column is empty. In order to overcome […]
More DetailsParalel Enabled Pipelined Table Functions
In the previous article, I mentioned about pipelined table functions. I am going to explain parallel feature of pipelined table functions. At least one REF CURSOR use as […]
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