Professional interpretation | how to become an SQL developer

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In this book , We will discuss how to become a SQL Developer , And what skills and traits are needed .

When browsing online recruitment information , You'll find that SQL It is still one of the hot skills in the fields of business intelligence and data science .

that , Why not try to be a SQL Developer , And take it as the beginning of a career in data related fields ？

First , We'll talk about SQL What role should developers play in a company , Then we will focus on the technology and soft skills needed to complete this work . We will also discuss the education and work experience required by the company when recruiting . most important of all , We will provide information about all over the world SQL Information about the expected salary of developers .

SQL What developers actually do

In short , This position needs you to establish 、 Maintain and operate database system . A lot of times , You need to use the data stored in the database to generate the report . So , You will need to write and test SQL Code , And create stored procedure functions and views .

In order to better understand how to organize their data ,SQL Developers must have good communication with technical and non-technical experts of the enterprise .

Now ,SQL Developers don't work in isolation . Companies need to use different ERP, The maintained database sometimes needs to be migrated . under these circumstances , You need multiple types of sources from the current operation DBS Export data from , And use extraction 、 The conversion loader cleans up the data .

In our time , More and more companies are migrating their data to the cloud , At this time SQL Developers come in handy .

SQL Technology developers need to master

Next , Let's discuss in work SQL Technology developers need .

Of course , You need to master it SQL. Need to be able to use ,MySQL、SQL Server and Postgres sequel etc. .

MySQL It is the most popular open source relational database management system in the world , Microsoft's SQL Server It is usually the first choice of enterprises .

more importantly , Microsoft SQL Server There are three basic types of services .SSIS,SSRS and SSAS.

SSIS refer to SQL Server integration services, It is a framework for data migration and data integration . It contains one ETL Tools , It can be used for automatic database maintenance .
SSRS refer to SQL The server reporting service helps you prepare and provide reports .
SSAS refer to SQL The server analysis service realizes analysis processing and data extraction .
In relation to SQL In the recruitment information of developers , these SQL Server components are some of the most frequently mentioned and required technical skills .

meanwhile ,SQL People also need to use business intelligence data visualization software , And integrate the database , Use tableau and power bi. Also master Microsoft Excel, And be able to use PivotTables well for special reports .

and SQL Developers had better master SQL database 、Java、Python or C Programming experience , And understanding of big data analysis .

SQL What other soft skills do developers need

Employers looking for SQL Developers are also good communicators . They need to be able to understand each other's point of view , And reason together to design the best solution .

SQL Qualification requirements of personnel

This leads to our last point , As a SQL Developer , What qualifications do you need ？

This is a position suitable for junior professionals , But in most cases , All need some preliminary experience . Almost all job advertisements require one to two years , Even more years SQL Relevant database experience .

Another most common requirement is a bachelor's degree in a related field , Preferably from computer science 、 engineering 、 Mathematical statistics or data analysis .

SQL Salary level of personnel

In different parts of the world ,SQL How about the salary of the staff ？

In order to identify SQL Average income of developers , We according to the Glassdoor The data of , The following conditions were found ：

In the U.S. ,SQL The average annual salary for developers is 81,600 dollar ;
In Germany, ,SQL The income of developers is 55,368 dollar ;
In Canada , The average annual salary is 50,500 dollar , Slightly higher than the UK 47,600 dollar ;
India's SQL The average annual salary of developers is about 6,000 dollar .
That's about SQL Content sharing , Good luck ！