What can you do by learning sql?

Learn and specialize in sql database and can be a database administrator. It is a collective name for relevant staff engaged in managing and maintaining database management systems (DBMS). It is a branch of operation and maintenance engineers and is mainly responsible for business Full life cycle management of database from design, testing to deployment and delivery.

If you specialize in sql database, then the target must be DBA, but DBA needs to know more than just sql. Let’s do it below. Let me introduce it.

Database Administrator (DBA) is the collective name for relevant staff engaged in managing and maintaining database management systems (DBMS). It is a branch of operation and maintenance engineers and is mainly responsible for the design, development and maintenance of business databases. Full life cycle management from testing to deployment and delivery.

The core goal of DBA is to ensure the stability, security, integrity and high performance of the database management system.

sql is a very powerful relational database. There are so many intelligent applications in modern life that it can even be said that almost all related data management is inseparable from database management, such as finance, Factory automation control, banking, aircraft in-flight management, etc.; as small as office management, water, electricity, TV and gas bill management, etc. For example, there are problems with the ticket booking system during this year's New Year. The main reason is that there is a problem with the back-end database design, and using the SQL database well, The first is to improve the efficiency of data management applications, but to ensure zero errors, you will find that life, work and study are very easy.

In addition, almost all complex systems use databases as background data support. Even the latest operating system you are using has a database as its core layer.

Some DBA responsibilities:

Install and upgrade database servers (such as Oracle, Microsoft SQL server), and application tools.

Database design system storage scheme and formulate future storage demand plan.

DBA to create database storage structures (tablespaces).

DBA creates database objects (tables, views, indexes).

Based on feedback from developers, modify the structure of the database when necessary.

Register users of the database and maintain the security of the database.

Ensure that the use of the database complies with relevant intellectual property laws and regulations.

Control and monitor user access to the database.

Monitor and optimize database performance.

Develop a database backup plan and restore database information when a disaster occurs

Maintain archives or backup data on appropriate media

Back up and restore the database

Contact the manufacturer of the database system to track technical information.

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