Flavor of Fun

As I already mentioned, stock trading is one of my passions. We can not predict the future of the stock market and we can not invest blindly on them. A proper analysis of the companies must be done and one must have clear knowledge about the technical terminologies used. There are a lot of sites for gaining knowledge about the stock market and giving tips for buying shares. But Wikinvest is one of the best sites in the Web. It is similar to the Wikipedia, which we all know. We can type in any keyword for getting the clear idea about that. You will be given an article for the keywords entered. The research on Nintendo article is very much useful. It is about the Japanese company which manufactured playing cards in the earlier stage. It started to enter into the electronics field later. The various products that are manufactured by this company are clearly given. You can find the graph that depicts the market values of this particular share in the market for the past three months. You can see the references section given in the article for knowing about the relevant terms. Check out this and it will be useful if you want to enter into the stock market.

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As we are in the final semester, we have to submit a project work. We are doing this in the wireless ad-hoc network. We almost finished the project. Most probably it will be completed on sun day. So we are planning to submit it positively on next week. We are also planning to have some add on features for that.

Tags: General by admin
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The websites play a major role in uploading information. Many of us are interested to have our own domain names. There are many web hosting sites in the web and it leads to confusion in choosing the best site for our domain. But the top10webhosting provides a list of the top ten web hosting domains. It is one of the best sites in the web for providing information about the top domains. It lists the details such as the ranking, monthly fee, database, bandwidth etc. It also provides the scripting and the database information with the review ratings. These ratings help the user to have a clear idea about the hosting sites. The features and the advantage of each top web hosting domains are given. The payment details of each domain is also given for the convenience of the users. Any domain names such as .com, .org, .co.uk, .co.jp can be hosted. The rankings are based on the following criteria. Best Service, Cheap price, Quality, Performance and features. The user can select any one of the domains based on his requirements. You can also find other useful information such as the recent web hostlog, best windows alert. The site also provides many web hosting tools.

Tags: sp by admin
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Number

• It is used to store numbers.

Date

• It is used to store date and time in any table. Oracle database uses its own data format to store the date in a fixed length of 7 bytes each for century, month, day, year, hour, minute and second.
• The default date datatype is in the format “dd-mon-yy”.

Raw

• To store byte oriented data like binary data or byte strings.
• The maximum size of this data byte is 255 bytes.

Long Raw

• It is used to store binary data of variable length, which can have a maximum size of 2 GB.
• This data type cannot be indexed. Further all of the limitations faced by the long data type holds good for long raw data type also.

Tags: SQL by admin
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Many of us are interested in buying shoes and it is an important product too. There are many sites for shopping shoes and t-shirts. But buyskatshoes is one of the best sites in the web which provides several of products. The Adio skate shoes are really nice and they are offered at a lower rates. Just select the model you wish and add to your cart. You can also search any of the product models in the search engine provided in the site. The products that are offered by this site are sandals, dresses, accessories etc,. It is simple and easy as it is online.

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Character :

• Char is used when a fixed length character string is required.
• The length of this data type can vary between 1-2000 bytes. The default is one byte.

Varchar2

• It supports variable length character string.
• The maximum size of this datatype would be anywhere from 1-4000 bytes.

Long

• This data type supports variable character length.
• The maximum size is 2 GB.
• It is Similar to varchar2.
• Only one column in a table can to be allowed, which should not contain any of the unique or primary key constraints.
• The column can not be indexed.

Tags: SQL by admin
28 Comments »

We all are interested in keeping our house neat and smart. The window coverings play a vital role in the look of a house. There are many online shops for these products. But Select blinds is one of the best sites in the web for shopping the window coverings with prices. It lists the types of coverings. The user can easily select the desired one and can add it to the cart. The Roman Shades are really attracting and I like them. You can also use the Estimator tool to find the best products. It is simple and easy as it is online.

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Hi everybody…..Hereafter you will find some informative articles on SQL basics. I hope this will be interesting.

Database Models:

Object based logical model: It describes data and data relationship constraints.

Record based logical model: It describes data structure and access techniques.

The other classification would be

• Hierarchical
• Network
• Relational

Hierarchical Model

It has a simple structure and it is easy to use

The relationship is parent child.

It reduces the redundancy

Drawbacks

Leads to wastage of storage space

Many-to-Many relationship is not possible

Deletion of parent results in deletion of children which leads to anomaly.

Network Model

- It has improvement over Hierarchical model.

- Multiple parent-child relationships is possible.

- Many-to-Many relationship is possible

- Parent(node) & link.

- The speed of retrieving is more when compared to Hierarchical Model.

Drawbacks

- Complex to construct

- The pointer maintenance leads to drawbacks.

Relational Model

- The data is stored in rows & columns.

- Each column has a unique name called the attribute.

- Relational operators are allowed

- Mathematical theory

Relational Operators

- Single (Restrict, Project)

- Binary (union, intersect, product, join, difference, divide)

Tags: SQL by admin
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Many of us own websites and we want to host them. There are many sites for hosting the sites. But web hosting choice is one of the best sites in the web which provides a guide for choosing the right the host plan for your plan. It is very simple. You can use the search tool given in the site to search the best host for you requirements.

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I mentioned a few of my passions in my earlier posts. Programming is also one of my passions. I used to visit some of the programming sites and try to solve the challenges posted there when I get bored. It is like my girl friend and I love programming. There are many roll models for me in this field. When I solve some puzzle in this it will be a nice feeling.

Tags: General by admin
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