Home Database Mysql Tutorial Java&MySQL Type Mapping_MySQL

Java&MySQL Type Mapping_MySQL

Jun 01, 2016 pm 01:11 PM

MySQL Type Name

Return value of

GetColumnClassName

Returned as Java Class

BIT(1) (new in MySQL-5.0)

BIT

java.lang.Boolean

BIT( > 1) (new in MySQL-5.0)

BIT

byte[]

TINYINT

TINYINT

java.lang.Boolean if the configuration property tinyInt1isBit is set to true (the default) and the storage size is 1, orjava.lang.Integer if not.

BOOL, BOOLEAN

TINYINT

See TINYINT, above as these are aliases forTINYINT(1), currently.

SMALLINT[(M)] [UNSIGNED]

SMALLINT [UNSIGNED]

java.lang.Integer (regardless ifUNSIGNED or not)

MEDIUMINT[(M)] [UNSIGNED]

MEDIUMINT [UNSIGNED]

java.lang.Integer, if UNSIGNEDjava.lang.Long (C/J 3.1 and earlier), orjava.lang.Integer for C/J 5.0 and later

INT,INTEGER[(M)] [UNSIGNED]

INTEGER [UNSIGNED]

java.lang.Integer, if UNSIGNEDjava.lang.Long

BIGINT[(M)] [UNSIGNED]

BIGINT [UNSIGNED]

java.lang.Long, if UNSIGNEDjava.math.BigInteger

FLOAT[(M,D)]

FLOAT

java.lang.Float

DOUBLE[(M,B)]

DOUBLE

java.lang.Double

DECIMAL[(M[,D])]

DECIMAL

java.math.BigDecimal

DATE

DATE

java.sql.Date

DATETIME

DATETIME

java.sql.Timestamp

TIMESTAMP[(M)]

TIMESTAMP

java.sql.Timestamp

TIME

TIME

java.sql.Time

YEAR[(2|4)]

YEAR

If yearIsDateType configuration property is set to false, then the returned object type isjava.sql.Short. If set to true (the default), then the returned object is of typejava.sql.Date with the date set to January 1st, at midnight.

CHAR(M)

CHAR

java.lang.String (unless the character set for the column is BINARY, then byte[] is returned.

VARCHAR(M) [BINARY]

VARCHAR

java.lang.String (unless the character set for the column is BINARY, then byte[] is returned.

BINARY(M)

BINARY

byte[]

VARBINARY(M)

VARBINARY

byte[]

TINYBLOB

TINYBLOB

byte[]

TINYTEXT

VARCHAR

java.lang.String

BLOB

BLOB

byte[]

TEXT

VARCHAR

java.lang.String

MEDIUMBLOB

MEDIUMBLOB

byte[]

MEDIUMTEXT

VARCHAR

java.lang.String

LONGBLOB

LONGBLOB

byte[]

LONGTEXT

VARCHAR

java.lang.String

ENUM('value1','value2',...)

CHAR

java.lang.String

SET('value1','value2',...)

CHAR

java.lang.String

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
2 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
Repo: How To Revive Teammates
1 months ago By 尊渡假赌尊渡假赌尊渡假赌
Hello Kitty Island Adventure: How To Get Giant Seeds
4 weeks ago By 尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

Reduce the use of MySQL memory in Docker Reduce the use of MySQL memory in Docker Mar 04, 2025 pm 03:52 PM

This article explores optimizing MySQL memory usage in Docker. It discusses monitoring techniques (Docker stats, Performance Schema, external tools) and configuration strategies. These include Docker memory limits, swapping, and cgroups, alongside

How to solve the problem of mysql cannot open shared library How to solve the problem of mysql cannot open shared library Mar 04, 2025 pm 04:01 PM

This article addresses MySQL's "unable to open shared library" error. The issue stems from MySQL's inability to locate necessary shared libraries (.so/.dll files). Solutions involve verifying library installation via the system's package m

How do you alter a table in MySQL using the ALTER TABLE statement? How do you alter a table in MySQL using the ALTER TABLE statement? Mar 19, 2025 pm 03:51 PM

The article discusses using MySQL's ALTER TABLE statement to modify tables, including adding/dropping columns, renaming tables/columns, and changing column data types.

Run MySQl in Linux (with/without podman container with phpmyadmin) Run MySQl in Linux (with/without podman container with phpmyadmin) Mar 04, 2025 pm 03:54 PM

This article compares installing MySQL on Linux directly versus using Podman containers, with/without phpMyAdmin. It details installation steps for each method, emphasizing Podman's advantages in isolation, portability, and reproducibility, but also

What is SQLite? Comprehensive overview What is SQLite? Comprehensive overview Mar 04, 2025 pm 03:55 PM

This article provides a comprehensive overview of SQLite, a self-contained, serverless relational database. It details SQLite's advantages (simplicity, portability, ease of use) and disadvantages (concurrency limitations, scalability challenges). C

Running multiple MySQL versions on MacOS: A step-by-step guide Running multiple MySQL versions on MacOS: A step-by-step guide Mar 04, 2025 pm 03:49 PM

This guide demonstrates installing and managing multiple MySQL versions on macOS using Homebrew. It emphasizes using Homebrew to isolate installations, preventing conflicts. The article details installation, starting/stopping services, and best pra

How do I configure SSL/TLS encryption for MySQL connections? How do I configure SSL/TLS encryption for MySQL connections? Mar 18, 2025 pm 12:01 PM

Article discusses configuring SSL/TLS encryption for MySQL, including certificate generation and verification. Main issue is using self-signed certificates' security implications.[Character count: 159]

What are some popular MySQL GUI tools (e.g., MySQL Workbench, phpMyAdmin)? What are some popular MySQL GUI tools (e.g., MySQL Workbench, phpMyAdmin)? Mar 21, 2025 pm 06:28 PM

Article discusses popular MySQL GUI tools like MySQL Workbench and phpMyAdmin, comparing their features and suitability for beginners and advanced users.[159 characters]

See all articles