User Documentation
Ispirer Capabilities - Ingress Migration
Pricing
Ingres Data Types - VARCHAR
Versions: Ingres 9.x and 10.0
Ingres - VARCHAR | |
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Syntax | VARCHAR(n) |
Data | Variable-length character data, single-byte and multibyte character sets |
Parameters | n is the maximum number of characters, optional |
Range | 1 ⇐ n ⇐ 32000 |
Default | n is mandatory |
Padding | Not right-padded with spaces to n |
Trailing Spaces | Not removed when the value is stored and retrieved. But trailing spaces are insignificant in comparisons, primary and unique keys |
Storage Size | Actual entry length |
Standards | ANSI SQL |
Ingres VARCHAR - Equivalents in Other Databases
Database | Data Type and Conversion |
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Oracle | VARCHAR2(n), 1 ⇐ n ⇐ 4000/charsize |
SQL Server | VARCHAR(n | max), 1 ⇐ n ⇐ 8000, 2G if max is specified |
IBM DB2 | VARCHAR(n), 1 ⇐ n ⇐ 32672 |
MySQL | VARCHAR(n), 1 ⇐ n ⇐ 65535/charsize |
PostgreSQL | VARCHAR(n), 1 ⇐ n ⇐ 1G |
Sybase ASE | VARCHAR(n), 1 ⇐ n ⇐ pagesize (2K, 4K, 8K or 16K) |
Sybase ASA | VARCHAR(n), 1 ⇐ n ⇐ 32767/charsize |
Informix | VARCHAR(n, r), 1 ⇐ n ⇐ 255, LVARCHAR(n), 1 ⇐ n ⇐ 32739 |
Teradata | VARCHAR(n), 1 ⇐ n ⇐ 64000/charsize |
HP Neoview | VARCHAR(n), 1 ⇐ n ⇐ (32708 - size of other columns) |
Interbase/Firebird | VARCHAR(n), 1 ⇐ n ⇐ 32765/charsize |
Related Data Types in Ingres
Data Types | |||
---|---|---|---|
Fixed-length Character Data | CHAR(n) | NCHAR(n) | |
Variable-length Character Data | NVARCHAR(n) | ||
Character Large Objects | TEXT(n) | LONG VARCHAR | LONG NVARCHAR |
All Data Types