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This table shows how an ANSI SQL provider might map its data types to OLE DB data types.
SQL data type |
OLE DB type indicator |
|---|---|
CHAR (n) |
DBTYPE_STR |
VARCHAR (n) |
DBTYPE_STR |
CLOB |
DBTYPE_STR |
DECIMAL (p, s) |
DBTYPE_NUMERIC |
NUMERIC (p, s) |
DBTYPE_NUMERIC |
BIT |
DBTYPE_BOOL |
TINYINT |
DBTYPE_I1 |
SMALLINT |
DBTYPE_I2 |
INTEGER |
DBTYPE_I4 |
BIGINT |
DBTYPE_I8 |
REAL |
DBTYPE_R4 |
FLOAT |
DBTYPE_R8 |
DOUBLE PRECISION |
DBTYPE_R8 |
BINARY (n) |
DBTYPE_BYTES |
VARBINARY (n) |
DBTYPE_BYTES |
BLOB |
DBTYPE_BYTES |
DATE |
DBTYPE_DBDATE |
TIME |
DBTYPE_DBTIME |
TIMESTAMP |
DBTYPE_DBTIMESTAMP |