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Informix Dynamic Server (IDS) Data Types - CHAR

Versions: Informix Dynamic Server 11.x, 10.x, 9.x and 7.x

Informix DS - CHAR
Syntax CHAR[(n)]
Data Fixed-length character data, single-byte and multibyte character sets
Parameters n is the maximum number of bytes, optional
Range 1 ⇐ n ⇐ 32767
Default n is 1
Padding Right-padded with spaces to n
Error Handling Exceeding data truncated without warning
Storage Size n bytes
Synonyms CHARACTER
Standards ANSI SQL

Example:

CREATE TABLE t_char (c1 CHAR(7));

Informix DS CHAR - Equivalents in Other Databases

Database Data Type and Conversion
Oracle CHAR(n), 1 ⇐ n ⇐ 2000/charsize
SQL Server CHAR(n), 1 ⇐ n ⇐ 8000
IBM DB2 CHAR(n), 1 ⇐ n ⇐ 254
MySQL CHAR(n), 0 ⇐ n ⇐ 255
PostgreSQL CHAR(n), 1 ⇐ n ⇐ 1G
Sybase ASE CHAR(n), 1 ⇐ n ⇐ pagesize (2K, 4K, 8K or 16K)
Sybase ASA CHAR(n), 1 ⇐ n ⇐ 32767/charsize
Teradata CHAR(n), 1 ⇐ n ⇐ 64000/charsize
HP Neoview CHAR(n), 1 ⇐ n ⇐ (32708 - size of other columns)
Interbase/Firebird CHAR(n), 1 ⇐ n ⇐ 32767/charsize
Ingres CHAR(n), 1 ⇐ n ⇐ 3200

Related Data Types in Informix

Data Types
Fixed-length Character Data NCHAR(n)
Variable-length Character Data VARCHAR(n,r) NVARCHAR(n,r) LVARCHAR(n)
Character Large Objects TEXT CLOB

All Data Types


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sqlways/informix/data-types/char.txt · Last modified: May 07, 2018, 03:15:26 PM (external edit)
 
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