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teradata SQL教程 包括建表，SQL语句，宏，存储过程等等

UDF的开发和测试：teradata数据库UDF开发PDF资料，不错的工具书 SQL provides a set of useful functions, but they might not satisfy all of the particular requirements you have to process your data. User-defined functions (UDFs) allow you to extend SQL by writing your own functions in the C or C++ programming language, installing them on the database, and then using them like standard SQL functions. You can also install UDF objects or packages from third party vendors without providing the source code.