MySQL Connector for Java的学习传送门
Connector/J(JDBC) Reference
5.1 Driver/Datasource Class Names, URL Syntax and Configuration Properties for Connector/J
5.2 JDBC API Implementation Notes
5.3 Java, JDBC and MySQL Types
5.4 Using Character Sets and Unicode
5.5 Connecting Securely Using SSL
5.6 Connecting Using PAM Authentication
5.7 Using Master/Slave Replication with ReplicationConnection
5.8 Mapping MySQL Error Numbers to JDBC SQLState Codes
Table : MySQL Types to Java Types for ResultSet.getObject()
MySQL Type Name | Return value ofGetColumnClassName |
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, or java.lang.Integer if not. |
BOOL , BOOLEAN |
TINYINT |
See TINYINT , above as these are aliases for TINYINT(1) , currently. |
SMALLINT[(M)] [UNSIGNED] |
SMALLINT [UNSIGNED] |
java.lang.Integer (regardless if UNSIGNED or not) |
MEDIUMINT[(M)] [UNSIGNED] |
MEDIUMINT [UNSIGNED] |
java.lang.Integer, if UNSIGNED java.lang.Long (C/J 3.1 and earlier), or java.lang.Integer for C/J 5.0 and later |
INT,INTEGER[(M)] [UNSIGNED] |
INTEGER [UNSIGNED] |
java.lang.Integer , if UNSIGNED java.lang.Long |
BIGINT[(M)] [UNSIGNED] |
BIGINT [UNSIGNED] |
java.lang.Long , if UNSIGNED java.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 is java.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 |
Table : MySQL to Java Encoding Name Translations
MySQL Character Set Name | Java-Style Character Encoding Name |
---|---|
ascii |
US-ASCII |
big5 |
Big5 |
gbk |
GBK |
sjis |
SJIS (or Cp932 or MS932 for MySQL Server < 4.1.11) |
cp932 |
Cp932 or MS932 (MySQL Server > 4.1.11) |
gb2312 |
EUC_CN |
ujis |
EUC_JP |
euckr |
EUC_KR |
latin1 |
Cp1252 |
latin2 |
ISO8859_2 |
greek |
ISO8859_7 |
hebrew |
ISO8859_8 |
cp866 |
Cp866 |
tis620 |
TIS620 |
cp1250 |
Cp1250 |
cp1251 |
Cp1251 |
cp1257 |
Cp1257 |
macroman |
MacRoman |
macce |
MacCentralEurope |
utf8 |
UTF-8 |
ucs2 |
UnicodeBig |