What is the best DB?
Which Database Is Best In 2021?
- The Oracle. Oracle is the most widely used commercial relational database management system, built-in assembly languages such as C, C++, and Java.
- MySQL.
- MS SQL Server.
- PostgreSQL.
- MongoDB.
- IBM DB2.
- Redis.
- Elasticsearch.
When should I use NoSQL DB?
The structure of many different forms of data is more easily handled and evolved with a NoSQL database. NoSQL databases are often better suited to storing and modeling structured, semi-structured, and unstructured data in one database.
Can we use node js with MySQL?
Once you have MySQL up and running on your computer, you can access it by using Node. js. To access a MySQL database with Node. js, you need a MySQL driver.
Should I represent the database in my use cases?
According to my point of view I think Use Cases are drawn largely to depict the Interaction between System and External Environment. Hence, DB is an internal entity comparing to the system, so it’s not worthwhile to draw DB as an actor unless it’s an external entity.
Can you leave out the DB as an actor?
The two use cases would be: Or can I leave out the DB as an actor? Unfortunately I haven’t found any consistent way of drawing the use cases.
When to define your use cases instead of structure?
When You define Your use cases, You need to think about behavior of Your actors instead of structure. Database is static reflection of actor. If we use anthropomorphizing, calling database an actor is like calling photography or memories of beloved one as real human.
Do you draw DB as an external entity?
Hence, DB is an internal entity comparing to the system, so it’s not worthwhile to draw DB as an actor unless it’s an external entity. At the same time, it should be mentioned that though it’s an external body, accessing it directly can raise security issues, right!
https://www.youtube.com/watch?v=v5e_PasMdXc