Oracle data types and corresponding DataStage data types

Oracle data types and corresponding DataStage data types

Oracle data typeDataStage data type
CHAR(n BYTE)

SQL type: CHAR
Length: n
Scale: unset
Extended: unset

CHAR(n CHAR ) single-byte

SQL type: CHAR
Length: n
Scale: unset
Extended: unset

CHAR(n CHAR) multibyte

SQL type: NCHAR
Length: n
Scale: unset
Extended: unset

CHAR single-byte If the NLS_LENGTH_SEMANTICS database parameter is set to CHAR, then see CHAR(n CHAR). Otherwise, see CHAR(n BYTE) single-byte. In both cases, assume that n = 1.
CHAR multibyte If the NLS_LENGTH_SEMANTICS database parameter is set to CHAR, then see CHAR(n CHAR). Otherwise, see CHAR(n BYTE) multibyte. In both cases, assume that n = 1
VARCHAR2(n BYTE)

SQL type: VARCHAR
Length: n
Scale: unset
Extended: unset

VARCHAR2(n CHAR) single-byte

SQL type: VARCHAR
Length: n
Scale: unset
Extended: unset

VARCHAR2(n CHAR) multibyte

SQL type: NVARCHAR
Length: n
Scale: unset
Extended: unset

CLOB single-byte

SQL type: LONGVARCHAR
Length: unset
Scale: unset
Extended: unset

CLOB multibyte

SQL type: LONGNVARCHAR
Length: unset
Scale: unset
Extended: unset

LONG single-byte

SQL type: LONGVARCHAR
Length: unset
Scale: unset
Extended: unset

LONG multibyte

SQL type: LONGNVARCHAR
Length: unset
Scale: unset
Extended: unset

NCHAR(n)

SQL type: NCHAR
Length: n
Scale: unset
Extended: unset

NCHAR See NCHAR(n) and assume that n = 1.
NVARCHAR2(n)

SQL type: NVARCHAR
Length: n
Scale: unset
Extended: unset

NCLOB

SQL type: LONGNVARCHAR
Length: unset
Scale: unset
Extended: unset

NUMBER

SQL type: DOUBLE
Length: unset
Scale: unset
Extended: unset

NUMBER (ps) {p>=s} {s>=0}

SQL type: DECIMAL
Length: p
Scale: s
Extended: unset

NUMBER(ps) {p<s} {s>=0}

SQL type: DECIMAL
Length: s
Scale: s
Extended: unset

NUMBER(ps) {s<0}

SQL type: DECIMAL
Length: p-s
Scale: unset
Extended: unset

FLOAT(p) {1 <=p <=63}

SQL type: FLOAT
Length: unset
Scale: unset
Extended: unset

FLOAT(p) {64 <=p <= 127}

SQL type: DOUBLE
Length: unset
Scale: unset
Extended: unset

BINARY_FLOAT

SQL type: FLOAT
Length: unset
Scale: unset
Extended: unset

BINARY_DOUBLE

SQL type: DOUBLE
Length: unset
Scale: unset
Extended: unset

LONG RAW

SQL type: LONGVARBINARY
Length: unset
Scale: unset
Extended: unset

RAW(n)

SQL type: VARBINARY
Length: n
Scale: unset
Extended: unset

BLOB

SQL type: LONGVARBINARY
Length: unset
Scale: unset
Extended: unset

BFILE

SQL type: VARCHAR
Length: 285
Scale: unset
Extended: unset

DATE

SQL type: DATE
Length: unset
Scale: unset
Extended: unset

TIMESTAMP(fsp)

SQL type: TIMESTAMP
Length: unset
Scale: fsp
Extended: Microseconds

TIMESTAMP(fsp) WITH TIME ZONE

SQL type: TIMESTAMP
Length: unset
Scale: fsp
Extended: Microseconds

TIMESTAMP(fsp) WITH LOCAL TIME ZONE

SQL type: TIMESTAMP
Length: unset
Scale: fsp
Extended: Microseconds

TIMESTAMP See TIMESTAMP(fsp) and assume that fsp=6.
TIMESTAMP WITH TIME ZONE See TIMESTAMP(fsp) WITH TIME ZONE and assume that fsp=6.
TIMESTAMP WITH LOCAL TIME ZONE See TIMESTAMP(fsp) WITH LOCAL TIME ZONE and assume that fsp=6.
INTERVAL YEAR (yp) TO MONTH

SQL type: VARCHAR
Length: yp+4
Scale: unset
Extended: unset

INTERVAL DAY TO SECOND (sp)

SQL type: VARCHAR
Length: sp+13
Scale: unset
Extended: unset

INTERVAL DAY (dp) TO SECOND

SQL type: VARCHAR
Length: dp+17
Scale: unset
Extended: unset

INTERVAL DAY (dp) TO SECOND (sp)

SQL type: VARCHAR
Length: dp+sp+11
Scale: unset
Extended: unset

INTERVAL YEAR TO MONTH See INTERVAL YEAR (yp) TO MONTH and assume yp=2.
INTERVAL DAY TO SECOND See INTERVAL DAY (dp) TO SECOND (sp) and assume that dp=2 and thatsp=6.
ROWID

SQL type: CHAR
Length: 18
Scale: 18
Extended: unset

UROWID(n)

SQL type: VARCHAR
Length: n
Scale: unset
Extended: unset

UROWID See UROWID(n) and assume that n=4000.

XMLType stored as CLOB or 
OBJECT_RELATIONAL
single-byte

See CLOB single-byte.

XMLType stored as CLOB or 
OBJECT_RELATIONAL
multibyte

See CLOB multibyte.

XMLType stored as 
BINARY XML

See BLOB.
Other

SQL type: UNKNOWN
Length: unset
Scale: unset
Extended: unset

posted on 2012-03-25 13:16  猎-户-座  阅读(751)  评论(0编辑  收藏  举报

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