Data type conversion table

Table 1. Data type conversion table (Informix® vs. IBM® DB2®)
Informix data types DB2 data types (V<9.1) DB2 data types (V>=9.1)
CHAR(n) CHAR(n) ( limit = 254c! ) CHAR(n) ( limit = 254c! )
VARCHAR(n[,m]) VARCHAR(n) ( limit = 32672c! ) VARCHAR(n) ( limit = 32672c! )
LVARCHAR(n) VARCHAR(n) ( limit = 32672c! ) VARCHAR(n) ( limit = 32672c! )
NCHAR(n) N/A N/A
NVARCHAR(n[,m]) N/A N/A
BOOLEAN CHAR(1) CHAR(1)
SMALLINT SMALLINT SMALLINT
INT / INTEGER INTEGER INTEGER
BIGINT BIGINT BIGINT
INT8 BIGINT BIGINT
SERIAL[(start)] INTEGER (see notes) INTEGER (see notes)
BIGSERIAL[(start)] BIGINT (see notes) BIGINT (see notes)
SERIAL8[(start)] BIGINT (see notes) BIGINT (see notes)
DOUBLE PRECISION / FLOAT[(n)] FLOAT[(n)] / DOUBLE FLOAT[(n)] / DOUBLE
REAL / SMALLFLOAT REAL REAL
NUMERIC / DEC / DECIMAL(p,s) DECIMAL(p,s) (limit = 31 digits) DECIMAL(p,s) (limit = 31 digits)
NUMERIC / DEC / DECIMAL(p) with p<=15 DECIMAL(2*p,p) DECFLOAT(16)
NUMERIC / DEC / DECIMAL(p) with p>15 N/A DECFLOAT(16) if p=16, DECFLOAT(34) if p>16
NUMERIC / DEC / DECIMAL N/A DECFLOAT(34)
MONEY(p,s) DECIMAL(p,s) (limit = 31 digits) DECIMAL(p,s) ( limit = 31 digits)
MONEY(p) DECIMAL(p,2) (limit = 31 digits) DECIMAL(p,2) (limit = 31 digits)
MONEY DECIMAL(16,2) DECIMAL(16,2)
DATE DATE DATE
DATETIME HOUR TO SECOND TIME TIME
DATETIME q1 TO q2 (different from above) TIMESTAMP TIMESTAMP
INTERVAL q1 TO q2 CHAR(50) CHAR(50)
TEXT CLOB(500K) CLOB(500K)
BYTE BLOB(500K) BLOB(500K)