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This article describes the data types supported by Sybase Adaptive Server Anywhere (ASA), Sybase SQL Anywhere 11.0.x and earlier.
Sybase ASA - CHAR | |
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Syntax | CHAR[(n [CHAR|CHARACTER])] |
Data | Variable-length character data, single-byte and multibyte character sets |
Parameters | n is the maximum number of bytes if CHAR/CHARACTER is not specified or characters if CHAR/CHARACTER is specified, optional |
Range | 1 ⇐ n ⇐ 32767/charsize |
Default | n is 1 |
Padding | CHAR values are not right-padded with spaces to n |
Storage Size | n bytes |
Synonyms | CHARACTER |
Standards | ANSI SQL |
Sybase ASA CHAR - Equivalents in Other Databases
Database | Data Type and Conversion |
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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) |
Informix DS | CHAR(n), 1 ⇐ n ⇐ 32767 |
Teradata | CHAR(n), 1 ⇐ n ⇐ 64000/charsize |
HP Neoview | CHAR(n), 1 ⇐ n ⇐ 4036 |
Interbase/Firebird | CHAR(n), 1 ⇐ n ⇐ 32767/charsize |
Ingres | CHAR(n), 1 ⇐ n ⇐ 3200 |
Sybase ASA - NCHAR | |
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Syntax | CHAR[(n)] |
Data | Variable-length character data in Unicode - UTF-8 |
Parameters | n is the maximum number of characters, optional |
Range | 1 ⇐ n ⇐ 8191 |
Default | n is 1 |
Padding | NCHAR values are not right-padded with spaces to n |
Storage Size | n bytes |
Synonyms | NATIONAL CHAR or NATIONAL CHARACTER |
Standards | ANSI SQL |
Sybase ASA NCHAR - Equivalents in Other Databases
Database | Data Type and Conversion |
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Oracle | NCHAR(n), 1 ⇐ n ⇐ 2000/charsize, Unicode - UTF-8 or UTF-16 |
SQL Server | NCHAR(n), 1 ⇐ n ⇐ 4000, Unicode - UCS-2 |
IBM DB2 | GRAPHIC(n), 1 ⇐ n ⇐ 127, double-byte |
MySQL | NCHAR(n), 0 ⇐ n ⇐ 255, Unicode - UTF-8 and TEXT or VARCHAR(n), if n > 255 |
PostgreSQL | CHAR(n), 1 ⇐ n ⇐ 1G |
Sybase ASE | NCHAR(n), 1 ⇐ n ⇐ pagesize (2K, 4K, 8K or 16K); UNICHAR(n), 1 ⇐ n ⇐ pagesize, Unicode |
Informix DS | NCHAR(n), 1 ⇐ n ⇐ 32767, database character set |
Teradata | CHAR(n), 1 ⇐ n ⇐ 64000/charsize |
HP Neoview | NCHAR(n), 1 ⇐ n ⇐ 4036, Unicode - UCS-2 or ISO88591 (Latin1) |
Interbase/Firebird | NCHAR(n), 1 ⇐ n ⇐ 32767, single-byte ISO8859_1 (Latin 1); CHAR(n), 1 ⇐ n ⇐ 32767, with CHARACTER SET UTF-8 |
Ingres | NCHAR(n), 1 ⇐ n ⇐ 16000, Unicode - UTF-8 |
Data Types in Other Databases
Oracle | SQL Server | IBM DB2 | MySQL | PostgreSQL | Sybase ASE | Informix DS | Teradata | HP Neoview | Interbase/Firebird | Ingres |