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XMLType is used to store and manipulate XML data. You can use XMLType to define database columns and PL/SQL variables…

INSTEAD OF triggers are essentially alternatives to DML triggers. They fire when inserts, updates, and deletes are about to occur;…

External tables are read-only tables that allow Oracle to query data that is stored outside the database in flat files….

Every record has a unique ROWID (pseudocolumn) within a database representing the physical location on disk where the record lives….

LOG4PLSQL is an open source tool that uses PL/SQL framework to log into PL/SQL code package,function,web application,procedure, trigger and various…

From Oracle 9i onward both non-unique and unique indexes can be compressed to save disk space. The COMPRESS [N] clause…

TABLE FUNCTION A table function is a function that can be called from within the FROM clause of a query,as…

In Oracle Database 12c Release 2 (12.2) the SPLIT PARTITION operations on heap tables can be performed online so they…

In Oracle, Segment Space Management is managing the space within a segment. In a segment generally you have USED block…

In our day to day life, sometimes we come across situations where we have to deal with duplicate values within…

In Oracle, Package data consists of variables and constants that are defined at the package level—that is, not within a…