After class ended at 5:30 p.m., Su Xiaomu left the school with a backpack.

The day was okay, at least there were more opportunities to use spoken English.

It's good to know a foreign language, and it's a skill to speak it.

Back in the nest, the landlady hadn't come back yet, but she sent a message in advance saying that it would take 20 minutes to get home, so Su Xiaomu didn't worry.

Su Xiaomu replied with an 'oh' word.

Nonchalant.

Will it make the landlady so angry that he vomits blood, Su Xiaomu did not have the corresponding consciousness.

Su Xiaomu, who was sitting on the sofa in the living room, thought about it and called out the small garbage system.

Glance at the remainder of the points income: 980.

Flicked his fingers on the points mall, and flames came out of the gray.

"The second flame. ”

Su Xiaomu was a little surprised.

The computer binary base column has brought him far more than the fifth prize of the 64K demo contest and the $6,000 prize.

It also created more possibilities for his future.

The binary system is the basic system used by current computer systems, and it can be regarded as the basis for any operation that relies on computers.

Regardless of the method used, in the end, the machine itself receives feedback as a binary representation of 0 and 1, and the end is the same.

The understanding of the binary basic column formula is actually the understanding of the more convenient control of the computer itself, and the foundation needs to be solidified.

After all, no one is particularly willing to take the time to understand binary itself these days......

Looking at this second flame, Su Xiaomu also wanted to know, this system that doesn't know how to make a good noise, is it going to continue the road related to computer science, or is it going to be in the sky?

Or is there something else?

Abnormal serious operation, these six words, plus the numbness of the scalp, are basically equivalent to Sao.

Perfect support......

Then I saw the introduction of the new flame:

【Basic Principles of Data Warehousing and Data Mining】

Price: 680 points.

This time, there is no experience purchase price.

However, Su Xiaomu hesitated, he understood the terms data warehouse and data mining, and the bachelor's and master's degree in computer science and technology offered this course in the sophomore year.

However, the proportion is very low.

Su Xiaomu had never held a class before he transferred classes.

These two things together can almost only serve commercial enterprises;

Just like a data warehouse, it is simply a warehouse that reflects the accumulation of existing and historical business data of the enterprise to support management decisions.

Data mining is the process of extracting hidden information and knowledge that people do not know in advance but are potentially practical from a large amount of incomplete, noisy, fuzzy, and random practical application data.

To make it simpler, conduct data mining and analysis through the enterprise business data collected by the data warehouse to know which products are more popular and which products should be taken off the shelves.

Something like a more fashionable word: big data.

However, there is one thing that is widely recognized as big data: it has to be petabytes of data. ①

Therefore, data warehousing and data mining alone are not the same as big data, and big data is not traditional data warehousing and data mining.

Su Xiaomu hesitated about the application and practical significance of data warehouse and data mining in some business fields:

Merchandising, manufacturing, financial services/credit cards, telecommunications.

But it didn't have anything to do with him, he was just a child, and the content of the timetable was almost enough for him to broaden his horizons.

In addition, the existing point margin is only 20 points away from the 1000 points of the lottery.

It's a little itchy.

Lottery, but also to prove the pedigree!

With 680 points, it is a basic principle that cannot be used now and will only be used in the long future, although it is the way of computer science......

However, Su Xiaomu, who is used to being poor, really has to think about one or two.

There's not much of a chance to earn bonus points right now, so be cautious and careful!

"Hurry up and exchange it for me, or I'll kill you!"

Su Xiaomu said viciously.

[If the redemption is successful, 680 points will be deducted, and the remaining 300 will be deducted.] ]

Looking at the darker and longer flames on the barrage, Su Xiaomu just wanted to poke a wave, and the door was slammed.

"It's coming, it's coming. ”

Su Xiaomu hurriedly went to open the door, wondering in his heart why he had to knock on the door with a doorbell, and his hand didn't hurt.

When I opened the door, I saw the cold Soho.

Su Xiaomu said with a hippie smile, "Ah, the landlord is back, hard work." ”

Soho snorted, and while going to open the door of 601, he said, "Hmph, you little rascal, why didn't you leave in the morning, and you didn't know that you were all gone until you made breakfast!"

"You didn't ...... me either" As soon as Su Xiaomu said the words, he realized that something was wrong, and he hurried and hurried but still couldn't take it back.

He remembered that after dinner last night, the landlady said that she would drink some porridge tomorrow morning.

Su He looked at Su Xiaomu with the whites of his big eyes, "Heh! You only have a memory when you are a hooligan!"

…………

This person is really a social animal, when Su Xiaomu used to eat alone in the school cafeteria, he didn't think there was anything different, didn't it just solve the necessary nutritional intake of the body?

Now that he knew that he was wrong, looking at Soho who was busy in the kitchen, Su Xiaomu suddenly understood that the word life was actually something.

"You are in the English class of South China University of Technology, and your English is very good?"

While eating, Soho asked casually.

"Eat without sleeping. ”

Su Xiaomu lowered his head and picked up the rice, his face expressionless.

Soho was so angry, "You guy!"

When I had dinner yesterday, I didn't see you eating!

"I just transferred to make up for it, my English is average, and I scored 61 points at the end of the semester. Su Xiaomu had to answer truthfully.

It's not easy to multiply by ten.

Soho smiled, the kind that was very happy, and forgot about being coldly violently attacked by the Internet in the afternoon.

Oh oh oh, when other girls don't have face?......

After eating, Soho muttered, "Catch Ming'er to find a master to dismantle the partition in the middle, so it's convenient." ”

When Su Xiaomu heard this, he looked at Su He a little playfully, "Aren't you afraid?"

Su He looked Su Xiaomu up and down several times, "Do I need to lend you a gut?"

Su Xiaomu told himself that he couldn't be cowardly by a man, he had to ......

It must be coaxed.

The landlady is still very fierce, no, knock on the chest!

…………

…………

After returning to 603 on his side, Su Xiaomu pulled the system out.

The flame was still jumping in place, and the more I looked at it, the more it looked like a famous Internet celebrity dance——......

With the first mental preparation, Su Xiaomu specially told himself that men in science and engineering should be strong, not cowardly, and break at the critical place.

There are always more solutions than problems!

stirred up a small flame, and the dim flame spewed out lines of text:

As last time, start with the most basic concepts:

A data warehouse is: a topic-oriented, integrated, stable, time-oriented collection of data.

……

Data mining is an interdisciplinary discipline that elevates people's application of data from low-level simple queries to mining knowledge from data and providing decision support.

……

At the top of the list, there are the same six points:

。。。。。。

①：1PB=1024TB=1048576GB

======

Broken bowls.

I went to the hospital and saw a doctor, I had conjunctivitis in my eyes, which was not very serious, I washed my eyes and dropped eye drops, but I had to look at computers and mobile phones with less eyes in the past two days, so there were fewer updates, such as ......

Today's three watches.