解析器将连接到DB 2数据库并执行查询,在此过程中,会为查询的参数标记传入一个适当的数据值(即交易中所引用实体的名称)。
The resolver will connect to the DB2 database and execute the query, passing in an appropriate data value for the query's parameter marker (the name of the referenced entity in the trade).
SQL Server 2005 Driver for PHP API提供了对Windows认证、交易、参数绑定、流、元数据访问和错误处理的支持。
The SQL Server 2005 Driver for PHP API includes support for Windows Authentication, transactions, parameter binding, streaming, metadata access, and error handling.(MSDN)
他们开始问“如果-怎么样”的问题,并用不同的参数回测交易系统。
They start asking the what-if question and back-test the trading system with different parameters.
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