Zhang Zhonghua's own office at the group's headquarters has now been converted into a computer room dedicated to storing his $3 million worth of computers.

He also specially arranged a guardhouse on each side of the office, and five Jade Emperor security guards were stationed in each guardhouse, which were rotated every day.

Although this mainframe computer may not be able to be sold on Hong Kong Island if it is stolen, after all, it is worth three million US dollars, and if some people who don't understand anything but feel that this thing is so expensive, it will definitely be sold for a good price, and then they will form a group of stupid thieves to steal the computer, or simply accidentally break it, Zhang Zhonghua has no place to cry.

Zhang Zhonghua in the computer room looked at the fax in his hand, and the employees of the Yuhuang Electric Branch of the United States obtained the database-related patent information from the Chouguo Patent Office, and nodded with satisfaction.

The earliest version of the database, the Mesh Database Management System (DBMS), was the DS database successfully developed by General Electric in 1961, which was the world's first mesh DBMS and the first database management system integrated data storage, laying the foundation of the mesh database. IDS has the characteristics of data schema and logs, but it can only be run on GE hosts, and the database has only one file, and all the tables in the database must be generated by hand-coding.

Zhang Zhonghua looked at the leak-tested database and sighed What is this? He majored in computer science in college in his previous life, although he was not particularly outstanding, but he also had a general understanding. This patent information is completely different from the later one, so isn't the patent of the future database your own?

Thinking of this, Zhang Zhonghua became a little excited, now the industry is very profitable, and the future real estate finance is very profitable, but the easiest way to make money is the computer network, and everything has to be added to the Internet.

With the content of the previous life and the programming skills, it is still easy to develop a database.

The development of database technology is an important part of advanced information technology and the foundation and core of modern computer information systems and computer application systems.

According to the development of the data model, database technology can be divided into three stages: the first generation of mesh and hierarchical database system; second-generation relational database systems; The third generation is also the best database system with an object-oriented model as its main feature.

The first generation is represented by the hierarchical database management system IMS developed by IBM in 1969 and the network model proposed by DBTG, a database task force under CODASYL in the United States in the 70s. The data model of a hierarchical database is a rooted, directed ordered tree, and the mesh model corresponds to a directed graph. These two databases have laid the foundation for the development of modern databases: they support three-level modes (external mode, mode, and internal mode) to ensure that the database system has the physical independence and certain logical independence of data and programs; Use access paths to represent the connections between data; There is a separate data definition language; Navigational data manipulation language.

The main feature of the second-generation database is its support for a relational data model (data structures, relational operations, data integrity). Relational model: The concept of the relational model is single, and the connection between entities and entities is represented by relationships; based on relational mathematics; The physical storage and access path of the data is opaque to the user; Relational database languages are non-procedural.

The third generation of databases was born in the 80s, with the continuous progress of science and technology, various industries have put forward more demand for database technology, and relational databases can no longer fully meet the needs, so the third generation of databases was born. It is also more powerful: supports data management, object management, and knowledge management; Maintain and inherit the technology of the second generation of database systems; It is open to other systems, supports database language standards, supports standard network protocols, and has good portability, connectivity, scalability and interoperability.

Today's IDS database is still executed in the DOS window, and I am afraid that hundreds of tape storage are required to develop the first generation of databases, and there are not many companies and units that use the database now.

At present, the military is probably qualified to use the database, followed by the laboratories of universities, and then the world's giant companies.

No matter what, let's develop it first, the operating language of the database has its own determination, as long as the patent is registered, the database market can be unified.

The U.S. government and the military secretly use it without royalties, Zhang Zhonghua has no choice, but universities and giant companies must pay money to use it, otherwise he will be sued.

The ugly country is not the same as when it dominated the world decades later, and it is not so stinky and shameless, after all, he is only two powerhouses, not one super.

As for the market prospect of the database, there is no need to think about it yourself, no one will have enough to support such a perfect database to bypass the patent and redesign a set, and it is difficult to bypass the redesign and avoid the design designed by Zhang Zhonghua.

Zhang Zhonghua felt as if he could publish another database textbook, and a book of 3,40 dollars was not expensive.

Zhang Zhonghua sat in front of the computer, stretched his waist, and was full of joy when he looked at the fruits of his labor these days, and the compression software he wrote finally became famous, and the compression rate reached 100%.

The software itself is 120kb in size, and can only compress the format that has already appeared, and other subsequent updates will do.

This compression software is definitely the pinnacle of our time, and you can make a lot of money just by relying on this software.

After a brief lunch at the company, Zhang Zhonghua was ready to return to the office to continue typing code. At this time, Zhang Zhonghua suddenly heard a commotion outside the building.

"Boss, there are two groups of clubs fighting outside, I'll go see what's going on."

Just when Zhang Zhonghua was wondering what was going on, Yin Ling pushed the door and walked in and said with some concern.

"Let's go, I'll go up and have a look, and let An guard the gate."

Zhang Zhonghua said helplessly. A group of idle people don't know what kind of moths are going on, and the law and order on Hong Kong Island is becoming more and more chaotic

Zhang Zhonghua and Yin Ling waited in front of the electrical appliances for several elevators, but they were full, and it seemed that they wanted to go to the top of the building to see the excitement, so Zhang Zhonghua had no choice but to take Yin Ling down to the first floor by elevator, and then go up.

"Boss, you're still smart, you don't have to wait for the elevator this round trip."

Yin Ling said with a smile.

Is this the operation that Zhang Zhonghua learned from the office workers in the building in his previous life, there are too many people waiting for the elevator on the first floor, so climb the stairs to the second or third floor, take the elevator down and then follow up.

When the two of them went to the top floor, there were already many people watching, and the property staff had no choice but to open the door on the roof, and countless people who ate melons poured onto the rooftop of the top floor, and even rushed to the top with binoculars, well, including Zhang Zhonghua.

Zhang Zhonghua took the binoculars and looked not too far away in Yin Ling's somewhat resentful and offended eyes, only to see the two groups of people fighting together, steel pipe machetes flying around, from time to time people were cut to other places, and the people from the Hong Kong Island Police Station were also assembled not far away, it seemed that they were preparing to wait for enough police forces to gather before entering the scene to control the situation.

After looking at it for a while, Zhang Zhonghua returned to the company office, but he couldn't continue typing code.

"Hong Kong Island, it's getting more and more chaotic, and I don't know how long it will take for the situation to become clear, so notify the shops and get off work early in the future. Let everyone pay attention to safety when commuting to work, and Jade Emperor Security also sent some people to various stores. ”

Zhang Zhonghua said helplessly.

Although Brother Lak is retired, he still controls the situation on Hong Kong Island, Zhang Zhonghua estimates that Brother Lak is putting pressure on the Hong Kong Island government and making the Hong Kong Island government jealous.

But after Brother Lak runs away to Canada, it should be completely stabilized.

In the blink of an eye, nearly a month has passed, Zhang Zhonghua has been fighting in the computer room for a month, and finally completed the development of the database, and adopted a relatively advanced window mode and perfect functions to completely explode all the existing databases.

However, at present, the software occupies 6MB of space after installation, and can only be used on industrial machines, even after compression, it reaches 3.1MB, requiring more than 30 cassette tapes, which is enough for a new big box.

Zhang Zhonghua went to the largest and most famous law firm on Hong Kong Island, Mr. Luo Wenjin and his younger brother founded Luo Wenjin Law Firm, and the patent registration should be handed over to more professional people.

The Lo Man Kam family is known as a legal family on Hong Kong Island, and it is one of the best in Southeast Asia.

Lo Man-kam was one of the few knights of the peace on Hong Kong Island, and the Lo Man-kam family was one of the four major families on Hong Kong Island in the 40s and 60s. After graduating in 1915, he returned to Hong Kong Island to become a lawyer, and in 1916, he cooperated with Law to establish Law & Co. Lo Man-kam is a founding member of the Lo Man-kam family, a founder of the Asian Football Confederation, a former member of the Urban Council, and a member of the Executive Council and the Legislative Council.

The court debate in Maolong's suitcase made Luo Wenjin famous.

Zhang Zhonghua was accompanied by six bodyguards to the seventh floor of the real estate building near the company, and the law firm rented two spacious offices, a proper symbol of strength.

The little sister at the front desk was very surprised when she saw Zhang Zhonghua with 6 bodyguards in suits and leather shoes, thinking that this is a lawsuit and that so many people are needed to protect the parties.

"Hello sir, welcome to Luo Wenjin Law Firm, what help do you need?"

The front desk asked Zhang Zhonghua in a very professional soft voice, and his voice was sweet and generous.

"Hello, I'm Zhang Zhonghua of CFC Catering Company, I need to talk to your boss Luo Sheng about business, I don't know if Luo Sheng is convenient now."

Zhang Zhonghua said.

In his opinion, this time should not be busy, but it is also a little embarrassing for himself to come to the door without an appointment.

"Zhang Sheng, wait a minute, our boss Luo Sheng has just arrived at the company, I'll contact you first."

A minute later, Zhang Zhonghua entered Luo Cheng's office under the leadership of the front desk, and the front desk made a cup of tea and turned around and closed the door to leave.

While Zhang Zhonghua was looking at Luo Cheng, Luo Cheng was also looking at him.

Luo Cheng is about 175 cm tall, his figure is well maintained, his facial features are still very easy to recognize, and his eyes are very charming. Luo Cheng's eyes always naturally reveal confidence, this is the confidence of an ace lawyer.

Luo Cheng, GBM, CBE, JP, president of the Law Society of Hong Kong, member of the Executive and Legislative Councils, known as "Da Luo". At the age of sixteen, he followed his father's footsteps and studied law at Wharton College, Oxford.

After graduating from Oxford University with a Master of Jurisprudence degree in 1960, he returned to Hong Kong and became a partner and solicitor of the firm founded by his father, and served as a director of CLP, Swire and Wing On Bank.

In 1970, he entered politics as a member of the Hong Kong Island City Council. In addition to government affairs, Luo Cheng is also a busy person in the shopping mall. He has a lot of time to manage his father's law firm and a director of several large companies, and he has a fortune of HK$4 billion.

In 1996, Luo Cheng expressed his intention to run for the first chief executive, and took the lead in giving up his British passport in 1995 to receive a Chinese passport, but he announced his renunciation due to lack of support, and then he left the political arena and was also the first person to be awarded the Grand Bauhinia Medal.

"Zhang Sheng, please sit down, I have admired your name for a long time, I don't know how I can help you?"

Luo Cheng asked curiously. Zhang Sheng hasn't had any trouble recently, and most of the CFC restaurants haven't heard of any lawsuits.

"Hello Luo Sheng, this time I want to entrust your law firm to help register two software patents in the United States, which may cause a lot of trouble."

Zhang Zhonghua said politely.

This software patent must have a lot to do with IBM, and whoever made it first will definitely jump out of IBM during the patent publicity period.

"What type of computer software?"

Luo Cheng asked curiously

Last month, he read the bombshell news reported in the newspaper, Zhang Sheng spent $3 million to buy an IBM mainframe computer, which also shocked many people on Hong Kong Island. It's only been a long time since two pieces of software came out, and it seems that the speed is too fast.

"One is compression software, which is to compress the data and reduce the footprint. The other database software is the key to the problem, which may be a little related to General Electric and IBM in the United States, and there should be some patent disputes. ”

Zhang Zhonghua said and handed the relevant information to Luo Cheng.

Luo Cheng is a barrister who graduated from Oxford, and the connections such as alumni are a hundred times stronger than himself, and the small law firm has no confidence to fight against the two giants, and as long as this lawsuit starts, no matter whether it is successful or not, Luo Cheng will be regarded as famous overseas, so Zhang Zhonghua is not afraid that he will not take over.

Luo Cheng took the two thick documents handed by Zhang Zhonghua, and then opened the documents and read them, fortunately, there was a Chinese introduction that saved a lot of trouble.

"Zhang Sheng, is this Chinese also typed by computer?"

Luo Cheng looked at the documents in his hand and asked in surprise, this is a big innovation on the computer, if it is applied to the lawyer's office, it is much stronger than a typewriter.

"Yes, this is a Chinese input method I developed before, and it is too inconvenient for the computer to use without Chinese."

This lawyer's vision is amazing, and he can see the problem at a glance, and Zhang Zhonghua is very satisfied.

"Then why didn't I apply for a patent for the Chinese input method?"

Luo Cheng asked. This patent is still very practical, and many companies in Southeast Asia can use it.

"Patent fees don't make much sense, and there aren't a few companies using computers now, so computers aren't cheap. Wait for more computer users to apply for it, so that the patent protection time can be longer. ”

Zhang Zhonghua explained.