Max Identifier Lengths on Common RDBMS
| RDMBS | Table Name Max Length | Column Name Max Length |
|---|---|---|
| Oracle | 30 | 30 |
| MySQL | 64 | 64 |
| Derby | 128 | 128 |
| PostgreSQL | 31 | 31 |
| SQL Server | 128 | 128 |
| DB2 | 128 | 128 |
| Sybase | 30 | 30 |
| Sap DB | 32 | 32 |
RDMBS Table Name Max Length Column Name Max Length Oracle 30 30 MySQL 64 64 Derby 128 128 PostgreSQL 31 31 SQL Server 128 128 DB2 128 128 Sybase 30 30 Sap DB 32 32