Some relational database management systems (RDBMSs), such as Sybase, do not support table expressions in the FROM clause.
有些关系数据库管理系统(RDBMS)，例如sybase，不支持在from子句中使用表表达式。
Some relational database management systems (RDBMSs), such as Sybase, do not support table expressions in the FROM clause.
有些关系数据库管理系统(RDBMS)，例如sybase，不支持在from子句中使用表表达式。
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