When a developer develops an application based on HarmonyOS, the data used by a developer can be decomposed into multiple objects. The developer needs to add, delete, modify, and check the teaching data, but does not want to write overly complex SQL statements. In this scenario, the developer can use an object-relational mapping database to process the data.
Josphine
5 days agoRonald
11 days agoBrittni
21 days agoMabel
10 days agoCatina
12 days ago