Online Database Course

Reporter: Recently cctv in 3.15 bursts SMS spamming news, everybody is very concerned, this kind of short message marketing is the database marketing? Miss Wang: This is a great misunderstanding of database marketing. If the bulk of the message is the database marketing, then the street disorderly posting of small ads, and junk cards, is advertising. Haha in fact, the bulk of the message between the database marketing and advertising, can be said to be the lowest level of database marketing form, not our advocacy database marketing. We are very grateful to CCTV exposure SMS spam, database Marketing to healthy development ...

The necessity of database encryption large database management system platform is typically Windows NT and Unix, these operating system security level is usually C1, C2 level. They have user registration, user identification, Arbitrary access control (DAC), audit and other security functions. Although the DBMS on the basis of the OS added a number of security measures, such as access control based on permissions, but the OS and DBMS on the database file itself is still lack of effective protection measures, experienced online hackers will "bypass", directly using the OS tools to steal or tamper with the database files ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall The weather is really fickle these days. 　　Yesterday is a big sun, today is the wind blowing grass low see cattle and sheep ... Today, I sleep very comfortable, a lot of things are not tube, only the afternoon opened a meeting, a few days will be the game, to be responsible for PPT and competition software. 　And I wrote a marketing course. ...

No database system can avoid a crash situation, even if you use a clustered, two-machine hot standby ... It is still not possible to completely eradicate the single point of failure in the system, and for most users, this expensive hardware investment cannot be sustained. So, when the system crashes, how to restore the original valuable data becomes an extremely important problem. In the recovery, the ideal situation is that your data files and log files are intact, so that only need to sp_attach_db, the data file attached to the new database, or in the downtime of the ...

Many business owners with only more than 10 to dozens of employees ask if they don't want to spend thousands or even million to buy a database software and ask if there are any free database software available. In fact, there are a lot of small business owners in this type of enterprise, their company needs a small database software to statistics the company's some product data and the information of the storage, the amount of data is really small. As I've seen before, some small businesses use office-brought access small databases, but still feel less convenient. Here, the editor recommends several open source databases for small business use ...

"Tenkine Server channel June 3 message" http://www.aliyun.com/zixun/aggregation/32730.html "> Information system is the place where the final results are saved and processed is the database. Therefore, the database system becomes particularly important, which means that if the database is facing problems, it means that the entire application system will also face challenges, resulting in serious losses and consequences. At present, in the large data trend, the database faces the following challenges: When the database performance encountered ...

Absrtact: Because Hive employs SQL query Language HQL, Hive is easily understood as a database. In fact, the structure of the Hive and the database in addition to have a similar query language, there is no similarity. This article will explain the differences between Hive and database from several aspects. The database can be used in Online applications, but Hive is designed for the Data Warehouse, which helps to understand the characteristics of Hive from an application perspective. Hive and database comparison query Language ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology hall one months ago wrote an article entitled" Online Shop and mall to pay attention to database marketing ", The main is to introduce and share how to implement database marketing. After the article issued, many friends think this method is only suitable for large companies, once implemented to small companies, such as shop, do not know how to implement. In fact, database marketing big ...

With the rapid development of e-commerce, more and more traditional clothing brands began to pay attention to network sales, such as the good news Bird, the Chinese, Hundred Li Group, Cofco Group, and other enterprises have already started the business, some traditional brand enterprises to take E-commerce Dongfeng soon on the internet to seize the industry's first E-commerce platform, such as hundred Li's Amoy network became the first female shopping platform, Zhang Mall became the first platform for scissors shopping, excellent electrical network became the first LCD TV shopping platform, Five Fang Zhai Mall became the first rice dumplings shopping platform ...

There are two main ways to store data: Database and filesystem, and the object-oriented storage are developed behind, but the overall thing is to store both structured and unstructured data. DB is initially serviced for structured data storage and sharing. FileSystem storage and sharing is large files, unstructured data, such as pictures, documents, audio and video. With the increase in data volume, stand-alone storage can not meet the needs of structured and unstructured data, then in the era of cloud computing, there is a distributed ...