Does blockchain affect DBA

1. As the best course in the water digital business school, the registration fee is definitely the most expensive, which needs 280000 RMB. However, since you can sign up for this course, you can prove that your economic income is very considerable. Moreover, if you sign up for the blockchain professional DBA, you will gain more in class, and the return is also very considerable.

2. Isn't Oracle DBA much more popular than blockchain engineers
people have their own certificate for Oracle, so it's not easy to pass the DBA certificate of Oracle
blockchain has not been popular in China. Because the data can not be controlled, it is a problem for the main chain how to obtain the company's data first and the contradiction between the majority of customers and the sub chain authentication mechanism, which makes it difficult to implement the blockchain application

3. Cloud computing, in theory, the database can also be put on the cloud, but the database management still needs someone to do,
that is, the cloud service provider can help you do part of the database backup work, but the database tuning and maintenance still need DBA to do, after all, no one can let others to maintain their own data
secondly, few databases are put on the public cloud, most of them are put on the private cloud of enterprises, so DBAs will not lose their jobs

finally, cloud computing is just as popular as big data. What's the most important thing in the era of big data? Data
with more data, more professional personnel are needed to maintain and analyze it

for DBAs, big data and cloud computing are more opportunities than challenges!

4. Doctor of Business Administration (DBA) or doctor of professional studies in business (DPS) is a comprehensive and systematic management course specially designed for senior executives in business circles<

DBA discipline features:
fully emphasize the systematic learning and mastering of professional knowledge and business operation and management skills, so as to improve the students' operation ability and innovation ability
grasp the development trend and market prospect of the enterprise instry, and enhance the students' ability of macro analysis and strategic decision-making
enlighten the development ideas, optimize the management mode, stimulate the innovative consciousness and inspiration, and improve the comprehensive ability and leadership ability of the students
comprehensively improve the professional, standardized and internationalized management level and business philosophy of middle and senior managers.

5.

DBA is the unit of sound pressure level measured by a sound level. DB is the unit of sound power

the decibel reading measured by the A-weighted characteristic shows that 2KHz sounds louder than 100Hz e to the different sensitivity of human ears to different frequencies. In order to make the measured value more consistent with the sense of supervisor, A-rate weighting is introced here. A-weighting is modified according to the characteristics of the human ear to distinguish sound, so that the DBA value is closer to the feeling of the human ear

the figure above shows the isoacoustic curve of the human ear. The y-axis represents the sound pressure, the x-axis represents the frequency, and each red line represents the sound of the same size to the ear. It's easy to see that this line is not parallel to the x-axis. If we look at the red line with 60, we can see that the sound of 100dB at 30Hz sounds as loud as that of 55dB at 3000hz

In fact, the difference of sound pressure intensity between two sounds of similar size is 178 times. Although the measurement is accurate, it does not well describe the feeling of the ear. So A-weighting greatly reces the value of dB at low frequency

6. OCM Certification indicates that you have at least a comprehensive study and understanding of Oracle system, SQL statements, operating system, database management, tuning, fault diagnosis, storage, etc. it also indicates that you are committed to the work of Oracle DBA and are willing to learn. Even if you don't learn well, you will have a wide range of work experience, OCM certification is still a bright thing for HR, and now OCM certification can be regarded as one of the best in the IT field. It's not easy to recite
foreign countries also approve of this, because there are not many people who can pass the exam in the world

7. They all have degrees but no qualifications, which has little impact. Most of them are high-end people, and they also have the opportunity to get in touch with more resources and people
MBA, the English abbreviation of master of business administration, is called MBA in Chinese. MBA is a kind of professional master's degree which is originated from European and American countries, and is specialized in training middle and senior professional managers. MBA is the proct of market economy, which cultivates high-quality managers, professional managers and entrepreneurs[ [editor's paragraph] overview MBA degree is a kind of degree which focuses on the cultivation of compound and comprehensive talents, and it is a degree in which ability cultivation is more important than knowledge teaching. It teaches "management" in the face of actual combat, rather than "management" focusing on research. The cultivation of skills and thinking is more important than the ability of theoretical analysis. It requires its graates to have certain practical experience and management experience (adaptability, predictive ability, comprehensive ability, organizational ability, etc.). The course content involves management, economics, finance, finance, law and so on. The ability training not only stresses the ability of organization and leadership, but also involves the ability of communication, operational research, judgment and problem-solving based on eloquence
MBA is a degree after working experience. In reality, it is regarded by many people as a career accelerator or conversion means after three years of professional experience, that is, a means of promotion and job hopping
DBA is the abbreviation of doctor in business administration, which means doctor of business administration in Chinese. DBA is a person with the same academic level as a graate, who has passed the course examination and thesis defense of the business administration major of the doctoral degree, and has passed the examination and reached the required academic level. It reflects the highest academic level of business administration. DBA is a comprehensive and systematic management course specially designed for senior managers in business circles. Today's DBA is committed to cultivating high-level business management talents with excellent ability in the fierce international competition. Different from the traditional doctoral ecation mode, DBA ecation focuses on the effect of applying theory to practice, and students generally substitute "on-the-job learning" for "full-time learning". For example, the setting of doctor of Business Administration (DBA) degree courses in CEIBS fully emphasizes the systematic learning and mastery of professional knowledge and business operation and management skills, so as to improve the students' business ability and innovation ability; Grasp the development trend and market prospect of the enterprise instry, and enhance the students' ability of macro analysis and strategic decision-making; Enlighten the development ideas, optimize the management mode, stimulate the innovative consciousness and inspiration, and improve the comprehensive ability and leadership ability of the students; Comprehensively improve the professional, standardized and international management level and business philosophy of middle and senior managers
most of the teaching objects of DBA are talents with MBA, EMBA or equivalent master's degree, and at least 5-6 years of solid work experience is a necessary capital. Because the overall quality of the students themselves is relatively high, coupled with the small class teaching form, strictly ensure the high quality of teaching.

8. There is a difference
1. DBA is database oriented (database administrator, or database architect), specializing in database<

for example, building database architecture, optimizing tables, stored proceres, and so on, the performance will be refined to a statement or node
2. Affecting database performance detection and routine maintenance
3. Database security, especially injection attacks and deadlocks, must be able to
4. Database hot standby, restore, database migration
5. Mysql, sqlserver Research and deployment of a large number of databases
DBA is a detailed and specific profession. In China, large enterprises are very strong, small enterprises don't pay attention to it, and ordinary enterprises can't use it. They have very high requirements for technology. They usually let programmers or operation and maintenance to deal with the database situation, and they are not willing to spend money to support a DBA
operation and maintenance For all-round "talents" of "large, medium and small enterprises", I mean "operation and maintenance" in a broad sense
daily monitoring and maintenance of database
monitoring and maintenance of Linux and windows servers, including hot standby, fault handling, disk array, performance tuning, load balancing, etc
deploy website and apply installation, configuration, maintenance and tuning of nginx, Tomcat, LVS, kept and haproxy.. Some of them need to understand C + + or Python
they need to be proficient in Linux systems such as CentOS and Ubuntu, and they need to be proficient in the installation, configuration and maintenance of common services such as Apache, redis, mysql, FTP, DNS, squid, etc.
network maintenance, network equipment troubleshooting
hacking, light bulb repair, PC repair, Go to the toilet
drink with the boss
and so on
operation and maintenance and DBA are both great. The small and medium-sized enterprises in China have been reced to the job of doing chores. They can knock codes, repair networks, get servers, and get computers... There's a lot of clutter
the operation and maintenance of large enterprises is very professional. They usually deal with the server and database in the computer room, and deal with the faults in time. There is no such mess as that of small enterprises.
the real operation and maintenance is not the same as the traditional operation and maintenance of small and medium-sized enterprises in China. This profession has been damaged by junk Internet companies in China