When a database administrator chooses the dimensions for an MDC table, which two characteristics should beconsidered?（） the query transaction rate 。 numeric data versus character data 。 extent size 。 the cardinality of the candidate columns 。 prefetch size&e。
库存或停用时间超过（）的液化石油气钢瓶，启用前应进行检验。 2年。 3年。 4年。 一个检验周期。
What is the LEAST appropriate scenario for Web services？（） To integrate legacy systems。 To propagate security context。 To expose fine grained operations。 To use with process choreography。 For B2B （business to business） applicatio。
What is the biggest advantage of using Web services to create SOA solutions？（） They are implemented using Java and XML。 They support a client-server programming model。 They are used to create tightly coupled applications。 They are implemented using standardized technologie。
城市生态问题的表现。
Which command is used to initialize and configure a NIM master?（）
