java mysql 数据类型对照
| 类型名称 | 显示长度 | 数据库类型 | JAVA类型 | JDBC类型索引(int) | 描述 | |
|---|---|---|---|---|---|---|
| VARCHAR | L+N | VARCHAR | java.lang.String | 12 | ||
| CHAR | N | CHAR | java.lang.String | 1 | ||
| BLOB | L+N | BLOB | java.lang.byte[] | -4 | ||
| TEXT | 65535 | VARCHAR | java.lang.String | -1 | ||
| INTEGER | 4 | INTEGER | UNSIGNED | java.lang.Long | 4 | |
| TINYINT | 3 | TINYINT | UNSIGNED | java.lang.Integer | -6 | |
| SMALLINT | 5 | SMALLINT | UNSIGNED | java.lang.Integer | 5 | |
| MEDIUMINT | 8 | MEDIUMINT | UNSIGNED | java.lang.Integer | 4 | |
| BIT | 1 | BIT | java.lang.Boolean | -7 | ||
| BIGINT | 20 | BIGINT | UNSIGNED | java.math.BigInteger | -5 | |
| FLOAT | 4+8 | FLOAT | java.lang.Float | 7 | ||
| DOUBLE | 22 | DOUBLE | java.lang.Double | 8 | ||
| DECIMAL | 11 | DECIMAL | java.math.BigDecimal | 3 | ||
| BOOLEAN | 1 | 同TINYINT | ||||
| DATE | 10 | DATE | java.sql.Date | 91 | ||
| TIME | 8 | TIME | java.sql.Time | 92 | ||
| DATETIME | 19 | DATETIME | java.sql.Timestamp | 93 | ||
| TIMESTAMP | 19 | TIMESTAMP | java.sql.Timestamp | 93 | ||
| YEAR | 4 | YEAR | java.sql.Date | 91 |
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