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Saurabh Gupta

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Oracle XML Storage

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.
June 19, 2012 - - Comments:

Oracle Analytic Enhancements

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.
June 19, 2012 - - Comments:

Oracle Partitioning Overview

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’.
January 17, 2012 - - Comments:

PL/Scope and PL/SQL Hierarchical Profiler

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.
November 6, 2011 - - Comments:

Oracle VPD implementation

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.
October 24, 2011 - - Comments:

Oracle 11g SecureFiles

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.
September 4, 2011 - - Comments:

Manage Oracle dependencies

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).
August 16, 2011 - - Comments:

UTL_FILE

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.
August 10, 2011 - - Comments:

Oracle Pragma

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.
July 6, 2011 - - Comments:

Conditional compilation in Oracle PL/SQL

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.
June 28, 2011 - - Comments:

Oracle 11g Subprogram Overloading

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.
June 17, 2011 - - Comments:

Oracle 11g Read Only Tables

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.
June 16, 2011 - - Comments:

Oracle 11g Exception Handling

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.
June 9, 2011 - - Comments:

Oracle Functions and Procedures

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.
June 7, 2011 - - Comments:

Oracle 11g Collections

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.
June 2, 2011 - - Comments:

Oracle 11g Virtual Columns

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.
May 30, 2011 - - Comments:

Oracle 11g Invisible Index

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.
May 27, 2011 - - Comments:

Oracle 11g SQL New Features

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 new column using UPDATE statement. Refer the example code [1]….
May 15, 2011 - - Comments:

Compound Triggers in Oracle 11g

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.
May 9, 2011 - - Comments:

Oracle 11g Result Cache

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.
April 28, 2011 - - Comments:

PL/SQL Native Compilation in Oracle 11g

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 native compilation was taken as one of the revolutionary changes…
April 25, 2011 - - Comments:

Oracle 11g PL/SQL New Features

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. Now, database connection passwords could be case sensitive. Two new…
April 24, 2011 - - Comments:

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