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rman备份与恢复. oracle数据库rman备份与恢复

The Microsoft Data Access Application Block for .NET consists of a single .NET-based assembly, which contains all of the functionality necessary to perform the most common data access tasks against a Microsoft SQL Server 2000 database. Specifically, the Data Access Application Block helps you: ● Call stored procedures or SQL text commands. ● Specify parameter details. ● Return SqlDataReader, DataSet, XmlReader objects, or single values. ● Use strongly typed table and field names. ● Support parameter caching, where required. ● Allow additional tables to be added by passing in pre-existing datasets. ● Update a dataset with user-specified update commands. ● Create SqlCommand objects. ● Allow strongly typed data rows to be passed in place of parameters