Neo4j is a graph database. Unlike traditional databases, the focus of a graph database is the “graph”, which means the relationships and connections between nodes (entities). Each node can represent an object (such as people, things, places…), and edges represent the relationships between nodes (such as friends, owns, located at…)
Read More »Installation Of Neo4j Graph Database And Use It By Python
When we use Flutter to develop an application and we need to store a large amount of data, we can use an embedded database such as SQLite (Sqflite) to store the data.
Read More »[Flutter] Sqflite Tutorial (With Example)
Microsoft Office Access is a relational database management system developed by Microsoft with its own database format.
Read More »[Linux] Convert mdb database of Access to csv to load
There are many useful instructions for processing values in SQL. Today I will introduce the following instructions:
Read More »[MySQL] Note(5) Number Instructions: ABS, CEIL, FLOOR, MOD, POWER, SIGN, TRUNCATE, SQRT There are usually several tables in a database, and there are many data stored. In addition to query the data, if we are the database administrator, we also need to know how to “add“, “modify“, “delete” the table and the fields and data in the table.
Read More »[MySQL] Note(4) How to add, modify, delete Table I briefly mentioned that the WHERE instruction can be used as an IF conditional judgment. Today, I will continue to record how to use WHERE.
Today I record some commonly used instructions of SQL:
The article records how to use the following SQL instructions of:
SQLite is a embedded database that is different from a general server-client structure database. SQLite is integrated into the application. If the data is relatively fixed and the amount is small, then SQLite can be said to be more appropriate.
Read More »Use sqlite3 to build a embedded database in Python 
I have learned about the database system and I know there are three types of database:
