JSON to Javascript Class

Just assign to an instance: static from(json){ return Object.assign(new Student(), json); } So you can do: const student = Student.from({ name: “whatever” }); Or make it an instance method and leave away the assignemnt: applyData(json) { Object.assign(this, json); } So you can: const student = new Student; student.applyData({ name: “whatever” }); It could also be … Read more

Why aren’t OODBMS as widespread as RDBMS?

One reason that RDBMS has retained popularity is that it’s established technology, well understood and has a standard language (SQL) that multiple vendors support. It also has a few good interfaces like ODBC and JDBC that make it connect with different languages pretty well. A stable API is a strong factor in keeping a technology … Read more

What is the difference between graph-based databases and object-oriented databases?

I’d answer this differently: object and graph databases operate on two different levels of abstraction. An object database’s main data elements are objects, the way we know them from an object-oriented programming language. A graph database’s main data elements are nodes and edges. An object database does not have the notion of a (bidirectional) edge … Read more

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)