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数据库对象的最大名字长度限制

表名长度:IBM DB2 8.1=128;MS SQL SERVER 2000 =128;ORACLE9i =30
列名长度:IBM DB2 8.1=30;MS SQL SERVER 2000 =128;ORACLE9i =30
约束名长度:IBM DB2 8.1=18;MS SQL SERVER 2000 =128;ORACLE9i =30
索引名长度:IBM DB2 8.1=128;MS SQL SERVER 2000 =128;ORACLE9i =30
表列数:IBM DB2 8.1=255;MS SQL SERVER 2000 =1023;ORACLE9i =1000

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