After the open source of the online school system, it is not only conducive to the timely replacement of new functions-to meet the changing needs of the market, but also to carry out secondary development on the original basic functions to ensure the healthy development of the online school with the needs of society.

Common database query

If the information of teaching and training institutions is not large and the structure is not complicated, the database query language is relatively simple. Generally speaking, learning some commonly used instructions and their common problems can be handled relatively. Common database queries include MySQL, msSQL, MongoDB, Oracle and other database queries.

Multi-gate programming language

When developing Android system, the programming technology used in online school system is mainly Java language, but you should also be familiar with javaSE, API, C language and C++ language. Because in the aspect of Android application development, we need to adapt to and be compatible with many mobile phone models, so we need to master multiple languages, which is helpful for our future development.