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Ispirer Capabilities - Ingress Migration
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Ingres Data Types - TEXT
Versions: Ingres 9.x and 10.0
Ingres - TEXT | |
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Syntax | TEXT[(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 |
Synonyms | VCHAR(n) |
Standards | ANSI SQL |
Ingres TEXT - Equivalents in Other Databases
Database | Data Type and Conversion |
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Oracle | CLOB, 4G; NCLOB, 4G, Unicode - UTF-8 or UTF-16 |
SQL Server | VARCHAR(n | max), 1 ⇐ n ⇐ 8000, 2G if max is specified |
MySQL | VARCHAR(n), 1 ⇐ n ⇐ 65535 |
PostgreSQL | VARCHAR(n), 1 ⇐ n ⇐ 1G |
Sybase ASE | TEXT, 2G |
Informix | VARCHAR(n,r), 1 ⇐ n ⇐ 255, LVARCHAR(n), 1 ⇐ n ⇐ 32739 |
HP Neoview | VARCHAR(n), 1 ⇐ n ⇐ (32708 - size of other columns) |
Related Data Types in Ingres
Data Types | ||
---|---|---|
Fixed-length Character Data | CHAR(n) | NCHAR(n) |
Variable-length Character Data | VARCHAR(n) | NVARCHAR(n) |
Character Large Objects | LONG VARCHAR | LONG NVARCHAR |
All Data Types