1. The document discusses MySQL supported data types including string, number, date, and other types. 2. For strings it covers CHAR, VARCHAR, BLOB, TEXT, and SET types. 3. For numbers it covers INT, NUMERIC/DECIMAL, and FLOAT/DOUBLE/REAL. 4. For dates it covers DATE, TIME, DATETIME, and TIMESTAMP. 5. Other types discussed include GEOMETRY and JSON types.

1. Ian - 10.12.2020
MySQL
Supported Types

2. TOC
• String
• Number
• Date
• Others

3. String

4. String
1.1. CHAR/NCHAR CHAR/VARCHAR
• CHAR
•
• CHAR(20) 2byte > 20byte
• >
•
• VARCHAR
•
• VARCHAR(20) 2byte > 2byte
•

5. String
• character set
• NCHAR
• typeorm nchar national char
• NVARCHAR
• typeorm nvarchar national varchar
1.1. CHAR/NCHAR CHAR/VARCHAR

6. String
1.2. BLOB/BINARY/TEXT
• >
•
• BLOB(Binary Long Object)
•
• BLOB/BINARY
•
• TEXT
•
• base64
• TEXT(n) n

7. String
1.3. SET/ENUM
• SET
•
• WHERE FIND_IN_SET()
•
• ENUM
• >
• DBMS >
• , 2~20
• ORDER BY
•
•

8. Number

9. Number
2.1. INT
• INT(INTEGER)/TINYINT/SMALLINT/MEDIUMINT/BIGINT
•

10. Number
2.2. NUMERIC/DECIMAL
• NUMERIC/DECIMAL(m, [d])
•
•
• typeorm dec decimal
• m d

11. Number
2.3. FLOAT/DOUBLE/REAL
• FLOAT/DOUBLE/REAL
•

12. Date

13. Date
3.1. DATE/TIME/DATETIME/TIMESTAMP
• DATE: YYYY-MM-DD
• TIME: HH:MM:SS
• DATETIME: YYYY-MM-DD HH:MM:SS
• TIMESTAMP: 10 unix timestamp

14. Others

15. Others
4.1. GEOMETRY
• , ,

16. Others
4.1. GEOMETRY
• POINT:
• LINESTRING: POINT
• POLYGON: LINESTRING

17. Others
4.1. GEOMETRY
• MULTIPOINT: POINT
• MULTILINESTRING: LINESTRING
• MULTIPOLYGON: POLYGON
• GEOMETRYCOLLECTION:

18. Others
4.2. JSON
• ,
•
• mysql 5.7.8
• JSON BINARY >

19. EOF,
Ian - 10.12.2020