从 JDBC 类型映射到 Java 类型

从 JDBC 类型映射到 Java 类型

JDBC 类型 Java 类型 CHAR String VARCHAR String LONGVARCHAR String NUMERIC java.math.BigDecimal DECIMAL java.math.BigDecimal BIT boolean TINYINT byte SMALLINT short INTEGER int BIGINT long REAL float FLOAT double DOUBLE double BINARY byte[] VARBINARY byte[] LONGVARBINARY byte[] DATE java.sql.Date TIME java.sql.Time TIMESTAMP java.sql.Timestamp

从 Java 类型映射到 JDBC 类型

Java 类型 JDBC 类型 String VARCHAR 或 LONGVARCHAR java.math.BigDecimal NUMERIC boolean BIT byte TINYINT short SMALLINT int INTEGER long BIGINT float REAL double DOUBLE byte[] VARBINARY 或 LONGVARBINARY java.sql.Date DATE java.sql.Time TIME java.sql.Timestamp TIMESTAMP

从 JDBC 类型到 Java Object 类型的映射

JDBC 类型 Java Object 类型 CHAR String VARCHAR String LONGVARCHAR String NUMERIC java.math.BigDecimal DECIMAL java.math.BigDecimal BIT Boolean TINYINT Integer SMALLINT Integer INTEGER Integer BIGINT Long REAL Float FLOAT Double DOUBLE Double BINARY byte[] VARBINARY byte[] LONGVARBINARY byte[] DATE java.sql.Date TIME java.sql.Time TIMESTAMP java.sql.Timestamp

 Java Object 类型映射到 JDBC 类型

Java Object 类型 JDBC 类型 String VARCHAR 或 LONGVARCHAR java.math.BigDecimal NUMERIC Boolean BIT Integer INTEGER Long BIGINT Float REAL Double DOUBLE byte[] VARBINARY 或 LONGVARBINARY java.sql.Date DATE java.sql.Time TIME java.sql.Timestamp TIMESTAMP

各数据库JDBC类型Java类型映射

java.sql.Types 值Java 类型IBM DB2OracleSybaseSQLInformixIBM Content ManagerBIGINTjava.lang.longBIGINTNUMBER (38, 0)BIGINTBIGINTINT8DK_CM_BIGINTBINARYbyte[]CHAR FOR BIT DATARAWBINARYIMAGEBYTEDK_CM_BLOBBITjava.lang.BooleanN/ABITBITBITBITDK_CM_SMALLINTBLOBbyte[]BLOBBLOBBLOBBLOBBLOBDK_CM_BLOBCHARjava.lang.StringCHAR, GRAPHICCHARCHARCHARCHARDK_CM_CHARCLOBjava.lang.StringCLOB, DBCLOBCLOBCLOBCLOBCLOBDK_CM_CLOBDATEjava.sql.DateDATEDATEDATEDATEDATEDK_CM_DATEDECIMALjava.math.BigDecimalDECIMALNUMBERDECIMAL, MONEY, SMALLMONEYDECIMALDECIMALDK_CM_DECIMALDOUBLEjava.lang.DoubleDOUBLEDOUBLE PRECISIONDOUBLE PRECISIONDOUBLE PRECISIONDOUBLE PRECISIONDK_CM_DOUBLEFLOATjava.lang.DoubleFLOATFLOATFLOATFLOATFLOATDK_CM_DOUBLEINTEGERjava.lang.IntegerINTEGERINTEGERINTINTEGERINTEGERDK_CM_INTEGERJAVA_OBJECTjava.lang.ObjectJAVA_OBJECTJAVA_OBJECTJAVA_OBJECTJAVA_OBJECTOPAQUEN/ALONGVARBINARYbyte[]LONG VARCHAR FOR BIT DATALONG RAWIMAGEIMAGEBYTEDK_CM_BLOBLONGVARCHARjava.lang.StringLONG VARCHAR, LONG VARGRAPHICLONGTEXTTEXTTEXTDK_CM_VARCHAR(3500)NUMERICjava.math.BigDecimalNUMERICNUMBERNUMERICNUMERICNUMERICDK_CM_DECIMALOTHERjava.lang.ObjectOTHEROTHEROTHEROTHEROTHERN/AREALjava.lang.FloatREALREALREALREALREALDK_CM_DOUBLESMALLINTjava.lang.IntegerSMALLINTSMALLINTSMALLINTSMALLINTSMALLINTDK_CM_INTEGERTIMEjava.sql.TimeTIMEDATETIMETIMEDATETIME HOUR TO SECONDDK_CM_TIMETIMESTAMPjava.sql.TimestampTIMESTAMPDATEDATETIME, SMALLDATETIMEDATETIMEDATETIME YEAR TO FRACTION (5)DK_CM_TIMESTAMPTINYINTjava.lang.ButeSMALLINT

TINYINT

TINYINT

TINYINTTINYINTDK_CM_INTEGERVARBINARYbyte[]VARCHAR FOR BIT DATARAWVARBINARYIMAGEBYTEDK_CM_BLOBVARCHARjava.lang.StringVARCHAR, VARGRAPHICVARCHARVARCHARVARCHARVARCHARDK_CM_VARCHAR