What is database design modeling?

Database design is the process of producing a detailed data model of database. This data model contains all the needed logical and physical design choices and physical storage parameters needed to generate a design in a data definition language, which can then be used to create a database. A fully attributed data model contains detailed attributes for each entity.

The term database design can be used to describe many different parts of the design of an overall database system. Principally, and most correctly, it can be thought of as the logical design of the base data structures used to store the data. In the relational model these are the tables and views. In an object database the entities and relationships map directly to object classes and named relationships. However, the term database design could also be used to apply to the overall process of designing, not just the base data structures, but also the forms and queries used as part of the overall database application within the database management system (DBMS).

The process of doing database design generally consists of a number of steps which will be carried out by the database designer. Usually, the designer must:

  • Determine the data to be stored in the database.
  • Determine the relationships between the different data elements.
  • Superimpose a logical structure upon the data on the basis of these relationships.[1]

A good database design starts with a list of the data that you want to include in your database and what you want to be able to do with the database later on. This can all be written in your own language, without any SQL. In this stage you must try not to think in tables or columns, but just think: "What do I need to know?" Don't take this too lightly, because if you find out later that you forgot something, usually you need to start all over. Adding things to your database is mostly a lot of work.

There are a lot of online tools that can help you:

SQLDbm

SqlDBM initially started out with inbuilt support for Microsoft’s SQL Server only.

But of course, due to large number of requests for MySQL support from our users, we have been working hard to expand our product.

And now, we are very proud to announce that SqlDBM offers support for MySQL – one of the most popular open-source databases in the world.

  • Pricing: Free
  • Forward engineering: Use SQLDBM to create a physical model or ERD of your database
  • Reverse engineering: Use the reverse engineering feature to export your database schema as a SQL script

Features:

  • Create database objects like tables, objects, relationships, indexes, quickly and intuitively
  • Alter and edit database objects inline in your diagram
  • Copy or Move columns across tables
  • Zoom in and out of diagrams
  • On-the- spot design anywhere on any browser

DbDesigner.net

  • Pricing: Free basic version; paid version starting at $50/year
  • Supported DB products: Model and generate SQL for MySQL, SQLite, SQL Server, PostgreSQL, Oracle
  • Supported browsers: Not specified
  • Reverse engineering: Import SQL from MySQL (feature described as “experimental”)

Vertabelo

  • Pricing: Free basic version; free academic version; advanced version available for a monthly subscription starting at $9/month or on a per-use basis starting at about $1/day; in-house installation starting at $1399 for a one-time license fee
  • Supported DB products: Model and generate SQL for PostgreSQL 9.x, Oracle Database 11g, MySQL 5.5, SQLite 3.7.x, DB2 9.7, SQL Server 2012, HSQLDB 2.3; also export model as XML
  • Supported browsers: Chrome, Safari (beta)
  • Reverse engineering: Free tool available; can also import directly from an SQL or XML file

Footnotes

[1] Database design – Wikipedia

Why are Kejriwal and Modi not talking to each other when they live in Delhi?

Do you talk to everyone in your locality? I mean, come on! they are politicians and specially from two rival parties. So if they decide to not talk to each other, why should we bother ourselves about that ?
rather we can go out and help those who need it. I guess that will be a better thing to do than thinking why Kejriwal and Modi do not talk to each other.

How long will it take to get a new Aadhaar card for children below the age of 5?

Aadhaar Card is a 12 digit identification number for the citizens of India.Aadhar Card establishes uniqueness of every individual on the basis of demographic and biometric information. Aadhar Card can be used anywhere in India as a ID.Children & kids above 1 year of age can apply for AADHAAR card.Children not having the Identity Proof and Address Proof can apply for Aadhaar Card even if the children are below 5 years can apply for Aadhar Card.If an Aadhaar Card of a child below the age of 5 years is created, it will be linked to the parents Aadhaar Card.

In this article we are providing details on documents required and Process for Applying Aadhaar Card for Children or Kid.For more information of Aadhar card you can visit to the official website at-www.uidai.gov.in

AADHAAR Card for Kids and Children

As we know that Aadhaar card is more than just an identification number, but was created with the intention of providing equal opportunity to every citizen of India, in the field of Health, Education and Employment.Thus it has a lot of benefits.We all know the importance of Identity Proof and Address Proof in our life and Aadhar Card provides demographic and biometric information.Children & Kids also can apply for the Aadhar Card Resources and Information. is not so easy to make aadhar card for kids because up to age of 5 years kid’s biometric data keeps change like finger prints keep changed up to age of 5 years.

Note- If an Aadhaar Card of a child below the age of 5 years is created, it will be linked to the parents Aadhaar Card.

Documents required and Process for Applying Aadhaar Card for Children or Kid

For kids date of birth will be required for enrolling Aadhar Card.For Address proof parent, who has applied for AADHAAR card, can introduce their children for AADHAAR card.

Process for Applying Aadhaar Card for Children or Kid

Process for Applying Aadhaar Card for Children or Kid is almost the same as for adults.

To know about Process for Applying Aadhaar Card for Children click here:- Apply For Aadhaar Card Procedure

The documents required for child for Applying Aadhaar Card</h4

-Proof of Date of Birth is mandatory for kids.
-Either parent, who has applied already for the Aadhar Card can introduce the child for the same.

To know about the documents required to apply for AADHAAR card click here- AADHAAR Card Documents Required.

It takes normal time as taken for adults.

As a straight male, is it weird that I am attracted to becoming a woman to experience life through different perspectives?

“As a straight male, is it weird that I am attracted to becoming a woman to experience life through different perspectives?”

NO. Not at all. It’s a normal fantasy, and by the way the question is worded, it appears to only be a fantasy.

Unless, of course, you didn’t word the question correctly. But that’s another story altogether.

It’s completely natural for a man to wonder how life would be seen through a different perspective if he were to become a woman. Many, many men wonder about this… although for the vast majority, it’s merely a thought experiment: “No further action is warranted at this time”.

Women experience life in a completely different way than do most men (for better or for worse).

Want a suggestion?

Try to actually gain the perspective of a woman, whether you decide to become one or not. Read articles written by women. Subscribe to women’s forums, women’s magazines, and follow feminists both here on Quora and also on Medium. Read articles written by both CIS women and Transwomen. Learn what women deal with – every single day – when interacting with men and other women. Learn what women’s struggles consist of. Learn how much effort many women invest in becoming part of the beauty culture. You may not like their “perspective” that much once you actually experience that perspective.

If you really want to explore your fantasy on a practical level, start dressing in women’s clothing. Learn how to use makeup. Grow your hair out and style it as a woman might (I dare you). Wear women’s shoes and see just how much fun they are to walk in.

And then, after accomplishing all of the above, please do let us know how much you enjoy your new perspective.

Do able-bodied people get to have more freedom than the disabled?

It may depend on mindset and attitudes of society. If the world is more accessible, then people with disabilities have more freedom. If, for example, all aural information is captioned and hearing people communicate with deaf people using sign language and are easy for hard of hearing people to understand by lipreading or with hearing devices and make efforts to include them, then deaf and hard of hearing people would not feel disabled.

What are the best ways to reduce global warming?

By switching to vegetarian diet!

In many ways, and surprisingly growing of animals for food and other commodities are a major cause of the green house effect.

According to united nations, as much as 51% of worlds green house gas emission is contributed by the livestock. It becomes worse when we realize that livestock account for 37 percent of human induced methane (which is 23 times as warming as CO2) and 65 percent of nitrous oxide. (which is 296 times more warming than C02! )

Also, Livestock now use 30 per cent of the earth’s entire land surface, mostly permanent pasture but also including 33 per cent of the global arable land used to producing feed for livestock, the report notes. As forests are cleared to create new pastures, it is a major driver of deforestation, especially in Latin America where, for example, some 70 per cent of former forests in the Amazon have been turned over to grazing.
At the same time herds cause wide-scale land degradation, with about 20 per cent of pastures considered degraded through overgrazing, compaction and erosion. This figure is even higher in the drylands where inappropriate policies and inadequate livestock management contribute to advancing desertification.

Also, the gases arising from the animal husbandry reject also release a lot of green house gases.

So you could make this world a better place to live by switching to vegetarian diet!

UN News – Rearing cattle produces more greenhouse gases than driving cars, UN report warns

How to relocate to Canada with my family

You have to apply to immigrate the same way, starting at the same place, as everyone else anywhere on the globe.

The entire process is set up for self-service. Here is the full set of instructions.

Canada prefers young and well educated immigrants. If you are, your path will be short and sweet.

First try your luck on the fast route. This may give you a Permanent Residence visa in as little as a few months, if you are really good:

Immigrate as a skilled worker through Express Entry

If this fails you, and you will know in the first ten minutes, then there is the long and arduous way. Start your process here:

Do you want to come to Canada, or extend your stay?

Every step is explained and clear. Just answer ALL the questions honestly.

Be patient, it takes from one to five YEARS to get a visa. Any visa costs about CAD 2,000 to get. You also need to prove that you have CAD 12,300 for yourself, more for a family, BEFORE you get a visa.

There are no shortcuts. Don’t waste your money on agents, lawyers or consultants. (I said that.) All they do is to take your money and some may even delay the process so they can charge you even more.

Looking for work is pointless. No Canadian company will even look at your resumé before you are in the country with a visa. Canada is a country of well educated people. 53 % of all working age Canadians hold at least a Bachelor’s degree, that is the highest rate on the globe. I doubt that your skills are interesting and unique enough that any one will choose you over an applicant that is nearby.

(Sorry.)