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Ingres Data Types

Versions: Ingres 9.x and 10.0

Data Type Parameters and Range
Character Data Types
CHAR(n) - Fixed-length character data 1 ⇐ n ⇐ not exceeding 32,000 characters (16,000 in a UTF8 instance),
default is 1. Synonym: character(n), Cn, c(n)
NCHAR(n) - Fixed-length character data 1 ⇐ n ⇐ not exceeding 16,000 characters (32,000 bytes), default is 1
VARCHAR(n) - Variable-length character data 1 ⇐ n ⇐ not exceeding 32,000 characters (16,000 in a UTF8 instance),
default is 1
NVARCHAR(n) - Variable-length character data 1 ⇐ n ⇐ not exceeding 16,000 characters (32,000 bytes), default is 1
TEXT(n) - Variable-length character data. All characters except NULL 1 ⇐ n ⇐ not exceeding 32,000 characters
(16,000 in a UTF8 instance), default is 1. Synonym: vchar(n)
LONG VARCHAR - Variable-length character data A string of 1 to 2 GB characters
LONG NVARCHAR - Variable-length character data A string of 1 to a maximum of 1 GB Unicode characters
(that is, 2 bytes to a maximum of 2 GB in length)
Integer Data Types
BIGINT - 64-bit integer data -263 to 263-1
INTEGER - 32-bit integer data -231 to 231-1, Synonyms: i4, integer4
SMALLINT - 16-bit integer data -32,768 to 32,767, Synonyms: i2, integer2
TINYINT - 8-bit integer data -128 to 127, Synonyms: i1, integer1
Decimal Data Types
DECIMAL(p,s), NUMERIC(p,s) - p - defines the precision. s - defines the scale. -99999 to 99999; 1 ⇐ p ⇐ 39, default is 5; 0 ⇐ s ⇐ p, default is 0
Synonyms: dec(p,s), numeric(p,s)
Floating-Point Data Types
FLOAT - Floating-point numeric data 64-bit -1.0E+38 to 1.0E+38 (16 digit precision), Synonyms: float8
REAL - Floating-point numeric data 32-bit -1.0E+38 to 1.0E+38 (7 digit precision), Synonyms: float4
Date and Time Data Types
DATE - Date data (year, month and day) 0001-01-01 to 9999-12-31
TIME(p) - Time data (time without time zone, time with time zone,
time with local time zone) (hours, minutes, seconds)
00:00:00 to 24:00:00
TIMESTAMP(p) - Date and time data (timestamp with time zone,
timestamp without time zone, timestamp with local time zone)
(year, month, day, hours, minutes, seconds and fractional seconds)
0001-01-01 00:00:00 to 9999-12-31 24:00:00
INTERVAL - Interval data (interval year to month, interval day to second) -9999-0 to 9999-11 and -3652047 00:00:00 to 3652047 23:59:59
ANSIDATE - Date data (year, month and day) 0001-01-01 to 9999-12-31
INGRESDATE - Date data (year, month and day) 1-jan-0001 to 31-dec-9999 (for absolute dates)
and -9999 years to +9999 years (for time intervals)
Binary Data Types
BYTE - Fixed-length binary data 1 to maximum configured row size
BYTE VAR - Variable-length binary data 1 to maximum configured row size
LONG BYTE - Fixed-length binary data 1 to 2 GB of binary data
Other Data Types
BOOLEAN - Logical data (1-byte binary) 0 or 1
MONEY - Monetary data $-999,999,999,999.99 to $999,999,999,999.99
OBJECT_KEY - Logical key data No range: stored as 16 bytes
TABLE_KEY - Logical keydata No range: stored as 8 bytes

Data Types in Other Databases


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