You create a data block based on a relational table containing a REF column. You select the REF column for your form module. What is true about the items based on the REF column attributes?()
Relational Model表示()。
What are the directory details of Relational Database backup files created by IBM Tivoli Access Manager for Enterprise Single Sign-On V8.0.1 housekeeping?()
A storage specialist is explaining to the customer that relational databases need an additional point-in-time copy process to assure data in memory buffers are flushed to disk prior to the hardware based snapshot command being executed. Which IBM software solution provides usable and consistent point-in-time data copies()
Is relational DBMS physical data model suitable for spatial data?如果不适合,有哪两类解决途径?
条件测试是检查程序模块中所包含逻辑条件的测试用例设计方法,注重于测试程序中的条件。BRO(Branchand Relational Operator)测试保证能发现布尔变量和关系操作符只出现一次且没有公共变量的条件中的分支和条件操作符错误。考虑条件C1:(E1>E2)&(E3”和“=”是关系运算符,则C1的条件约束至少为()时,就可以检查C1中的关系操作符错误。