Oracle Database | Oracle Training Courses


PANSOFT is a software services organisation, providing oracle ERP integrated services.
We have a proven track record in end-to-end solution delivery. Our services encompass all the aspects of an Oracle ERP software that includes application implementation, development, upkeep, maintenance and administration.
Having established a sizeable offshore development centre in India with clients across various geographies it is our intention to broaden our horizon serving our clients.
Our comitted pool of qualified techno-functional consultants and project management personnel have helped us thus so far overcome every challenge as we strive to reach greater heights.

Our Vision is to be the most preferred service provider for our clients contributing to their business, improving value through better and desired solutions.
Our Mission is to help organisations excel in their business by providing accelerated Oracle Implementation Services and Support Services enabling them to improve operational efficiency.

Training we offer :

Oracle Database 11g Administration Workshop I
Oracle Database 11g Administration Workshop II
Oracle Database 10g Administration Workshop I
Oracle Database 10g Administration Workshop II
Oracle Database 11g Data Guard Administration
Oracle Database 10g Data Guard Administration
Oracle Database 11g Performance Tuning
Oracle Database 10g Performance Tuning
Oracle Database 11g RAC Administration
Oracle Database 10g RAC Administration
Oracle GoldenGate 11g Fundamentals for Oracle
Using Oracle Enterprise Manager Cloud Control 12c

Database Certification :

Oracle 10g Database Certified Associate
Oracle 10g DatabaseCertified Professional
Oracle 11g DatabaseCertified Associate
Oracle 11g Database Certified Professional
Enterprise ManagerCloud Control 12c
Oracle Database 10g: Real Application Clusters Administrator Certified Expert
Oracle Real Application Clusters 11g Certified Implementation Specialist
Oracle Certified Expert,Oracle Database 11g Release 2 SQL Tuning
Oracle E-BusinessSuite R12 System Administrator Certified Expert
Oracle E-BusinessSuite R12 Applications Database Administrator Certified Professional.

Database design – Basic for web development

For all database designs, there are a set of standard rules and best practices to follow, all of which can help a database stay organized and help to team up with the respective site in a smart and efficient way.
What Functionality is Needed from the Database?
The first method for planning for a database is to simply brainstorm, on paper or otherwise, concerning what the database will need to store, and what the site will need out of it. Try not to think of the individual fields or tables that will be needed at this point – all that specific planning can take place later. The goal is to start with a general and complete view, and narrow down. It can often times be more difficult to add in items later, rather than get it right the first time.
Think outside the database. Try to think about what the website will need to do. For example, if a membership website is needed, the first instinct may be to begin thinking of all the data each user will need to store. Forget it, that’s for later. Rather, write down that users and their information will need to be stored in the database, and what else? What will those members need to do on the site? Will they make posts, upload files or photos, or send messages? Then the database will need a place for files/photos, posts, and messages.
What information will they need to derive from the site? Will they need to search for their favorite recipe, be able to access member-only content, or need to look up products and their recently purchased or viewed products? Then the database will need a place to hold those recipes, a place for content that is defined as members-only or not, or hold all products and create a method to link certain products to a specific member.
Determining Tables and Fields
The next phase would be to begin determining exactly what tables and fields one would need in the database. This is the core of database design, and the most difficult part. Using correct methods for linking tables together, sorting the data within each table correctly, and grouping it or keeping it separate are all arising problems when it comes to database design. At this point, list out what tables and fields are clear at this point, trying to be as specific as possible. Through the process, items can be rearranged or reorganized to improve the database’s efficiency and security.
Now that you know what the site will need to do, it’s time to organize what exact information needs to be stored. A great database design tool can be helpful for this; specifically one that can help set up visual database models, suchas MySQL Workbench (for MySQL databases only) or DBDesigner4.Gliffy is also a great free online application for creating flowcharts and database models.
Become familiar with the common icons and standard visual elements necessary to create database models, and begin planning via flowcharts and diagrams ahead of time. This can sort out logical errors before any actual databases are created.
Almost all databases are relational databases. This means that the tables in the database are related to each other in some way. For example, if a there is a member on an ecommerce website, that member may be related to certain products based on what they ordered last, or what they have expressed they are interested in. For a blog database, authors would have to be somehow related to the posts they wrote, and logged in users could be related to any comments they’ve left.
By using the techniques for relational databases, we can store plenty of information in an organized fashion within separate tables: one table for members, one for posts, another for comments, and yet another for products. Then, we can link the data between different tables together via unique keys.
Every entry in every table needs a unique primary key. This is the “social security number” or “bar code” for each entry. It is unique to each entry, and no other entry can have the same ID in the same table. Having unique usernames or product names in a database table is not enough. It is far more efficient, and best practice as well, to use unique primary keys. Even with other types of unique fields, a database is still vulnerable to duplicate records, which can later break code within the website.
To relate two tables we use a foreign key, which is just a number ID that references a unique key in another table, usually our primary key.

Within fields, it’s also important to know when to group certain pieces of data together, and when to keep them separate. A good way to determine which information should be in the same field or otherwise is to think about what it would take to change that piece of information if necessary. For example, would it be necessary to place a full address in separate fields, based on 1) street address, 2) city, 3) state, 4) zip code, and then 5) country?
Is it essential for the functionality of the site (perhaps users or admins would need to search addresses by state only), or is it just a waste of fields and database space? If it’s not essential, just to change an address the database would have to update five separate fields, when it could just update one field in string form. In order to keep such a field organized, one could take in the information via an HTML form with these fields separated, but then concatenate them into one single string before placing the address into the database.
This is just one example, but always keep in mind the most efficient ways to organize table fields, and when to combine them, or when to keep them separate for the sake of the website’s functionality.
Database normalization is a set of guidelines created by the community for organizing data in a database efficiently. We’ve mentioned a few of the most important and basic practices already, which are included in some of the most standard normalization forms. There are five normal forms to follow, and it’s a good idea to learn about these five forms in order to conform any database’s design to their best practices.
Database normalization is a large topic, but just understanding the basics can help tremendously. To take a look at each normalization form and a general overview of the concept, be sure to take a look at Database Normalizaiton Basics.
Database design can be a heavy subject with a lot to cover, but it doesn’t take a lot to learn the basics and get a good design for the most basic of database structures. Perhaps the most important rule and phase to designing a database is the initial design and brainstorming phase. This is what allows any developer to get all of the information they need up front, and to begin organizing as necessary. Only with all of the necessary information to work with can a great database design be created intelligently, with tables linked properly, and best practices intact.
The goal of any database is to be efficient and scalable. Data is always being edited, added, and deleted, so it’s important to keep a database organized in order to maintain this constant changing set of data. Be sure to design a database that deletes only the information necessary when needed, adds no duplicate records, and is able to reference other data throughout the database easily and simply.
Database Design Tutorial
10 Common Database Design Mistakes
Introduction to Database Design
Principles of Good Database Design
7 Steps to a Good Database Design

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