Saurabh Gupta – IT Training and Consulting

Oracle XML Storage

June 19, 2012March 20, 2014 Saurabh Gupta

With the growing dimensions of data requirements, the nature of Information or ‘Data’ has taken multiple folds. The ‘Organizational data’ today cannot be expected in conventional and structural form, but it mostly exists in unstructured format. The database platform also must grow parallel to facilitate the able storage and sustain the growing developments. Read More

Oracle Analytic Enhancements

June 19, 2012March 5, 2014 Saurabh Gupta

Since the release of Oracle 8.1.6, analytic functions have emerged as a major extended strength of SQL language. Analytic functions address the problems like moving averages, cumulative sums, ranking, percentile and many other problems which are crucial for OLAP applications. Read More

Oracle Partitioning Overview

January 17, 2012March 22, 2014 Saurabh Gupta

Partitioning is the method which physically segregates large tables or indexes can be realized into smaller logical groups.Each logical piece is a realizable table or index, and referred as a ‘partition’. Read More

PL/Scope and PL/SQL Hierarchical Profiler

November 6, 2011March 25, 2014 Saurabh Gupta

Since the time Oracle 11g has been released way back in the year 2003, it has waved a new exploring instinct among the database users. Till now, I observe the professionals engaged trying their hands out with Oracle 11g new features. Read More

Oracle VPD implementation

October 24, 2011March 22, 2014 Saurabh Gupta

Oracle has provided several solutions to ensure and secure the database. An efficient security policy not only prevents the database against the database corruption or hacking threats but also minimizes the risk of unprivileged user access. Read More

Oracle 11g SecureFiles

September 4, 2011March 22, 2014 Saurabh Gupta

Relational content looks fine and flexible to follow even crude strategies of storage but unstructured data like documents of varied sort, audios, videos, and many more are add up the challenges for designers and architects. Read More

Manage Oracle dependencies

August 16, 2011March 22, 2014 Saurabh Gupta

Oracle schema is the home for all the database objects. It shelters the entire set of objects which participate in the data storage layer (tables, views) and data access layer (package, procedures, functions, triggers). Read More

UTL_FILE

August 10, 2011March 22, 2014 Saurabh Gupta

UTL_FILE is an oracle supplied built in package, which can be used for text file operations located within a file system. The file system can exist either on the server side or on the client machine. Read More

Oracle Pragma

July 6, 2011March 22, 2014 Saurabh Gupta

In a programming language, compiler plays a crucial role in execution of a program. Compiler is a language component which converts a source code, written using one of the interactive programming languages, into machine code, which the server can interpret and act upon. Read More

Conditional compilation in Oracle PL/SQL

June 28, 2011March 22, 2014 Saurabh Gupta

Oracle 10g introduced conditional compilation feature in its second release. The conditional compilation feature enables a developer to impose conditions on the compiler. This implies that out of the complete source code of a program unit, only the part of code, which qualifies these conditions, would be compiled. Read More

Oracle 11g Subprogram Overloading

June 17, 2011March 22, 2014 Saurabh Gupta

Polymorphism is an Object Oriented Programming language feature which allows the objects to accept same input and behave differently. It can be implemented in three ways i.e. overriding, hiding, and overloading. Read More

Oracle 11g Read Only Tables

June 16, 2011March 22, 2014 Saurabh Gupta

A Read-Only table is a normal data storage table, which restricts any transactional action on it. In the tutorial, we shall study the behavior of READ-ONLY tables under different scenarios. Read More

Oracle 11g Exception Handling

June 9, 2011March 22, 2014 Saurabh Gupta

Exception can be defined as the state of an entity, which is different from its conventional and normal behavior. In context to programming language, exception refers to the abnormal situation in the normal flow of the program. Read More

Oracle Functions and Procedures

June 7, 2011March 22, 2014 Saurabh Gupta

Encapsulation and modularity are the few of the generic and recommended language features, which enhance efficiency and scalability of the language in the application. Oracle database language implements these features through stored subprograms. Read More

Oracle 11g Collections

June 2, 2011March 22, 2014 Saurabh Gupta

Composite data types are hybrid types which are capable of holding components of varying data type. Oracle implements composite data type in two forms, either as PL/SQL records or PL/SQL collections. Read More

Oracle 11g Virtual Columns

May 30, 2011March 22, 2014 Saurabh Gupta

Oracle 11g had brought multiple language enhancement features. These features have not only added the language utility, but also widened the programming scope of database developers. Read More

Oracle 11g Invisible Index

May 27, 2011March 22, 2014 Saurabh Gupta

Oracle 11g release has introduced a new property of an Index i.e. Visibility. Before the world saw 11g release, an index was always created and existed in visible mode. But now, as per the fresh feature in Oracle 11g, an index may exist in Invisible Mode too. Read More

Oracle 11g SQL New Features

May 15, 2011May 15, 2011 Saurabh Gupta

In continuation to my last tutorial on PL/SQL enhancements, I have compiled the list of enhancement pertaining to SQL. Similar to PL/SQL, Oracle had done considerable enhancements in SQL to raise performance level from instrumental to advisory. In the tutorial, we shall go through the performance oriented features, fresh additions and language enhancements. Performance improvements a. Alter table to add columns with default value In Oracle 11g, we can alter a table to add a column with a default value. Earlier, a developer used to update the value for the… Read More

Compound Triggers in Oracle 11g

May 9, 2011March 22, 2014 Saurabh Gupta

Oracle 11g offers considerable improvements in database triggers. These additions have not only enhanced the language usability but also promise a better performance in a real application environment. Read More

Oracle 11g Result Cache

April 28, 2011March 22, 2014 Saurabh Gupta

Result Caching is a new feature introduced in Oracle 11g. Since its induction in the 11g release, caching of result sets has emerged out as one of the most efficient performance tip in modern database applications. Read More

PL/SQL Native Compilation in Oracle 11g

April 25, 2011 Saurabh Gupta

During the introduction of Objects and Types in Oracle 8 release, PL/SQL was referred as procedural and object oriented language. While Oracle 9i and 10g were more concentrated on the sharpening of the object oriented model of Oracle, Oracle 11g aims at evolving PL/SQL from interpreted language to natively compiled language. In the tutorial, we shall see the changes made to achieve native compilation and its post application effects. Interpreted to Native Compilation: A Tour Native compilation of program units was first introduced in Oracle 9i release 1. Introduction of… Read More

Oracle 11g PL/SQL New Features

April 24, 2011January 23, 2014 Saurabh Gupta

The tutorial lists the major PL/SQL additions and enhancements covered in Oracle 11g. The features described here are based on their utility in a development environment. SQL* Plus Stepped Down and Passwords made Case Sensitive SQL* Plus is no more the part of Oracle home family. This step has been taken to recommend the use of SQL Developer. SQL Developer version 3.0 is the latest release from Oracle, in which all the earlier reported bugs were resolved. Besides, developers can still optionally setup SQL* Plus environment on command line prompt.… Read More