case with multiple conditions

CaseWhen condition 1 then result 1When condition 2 then result 2When condition 3 then result 3When condition 4 then result 4.........When condition n then result nELSE result XENDCase has two formats. Simple case function and case search

Address: http://www.ibm.com/developerworks/cn/rational/r-usecase-atm/index.html Level: elementary Fu chunyi, technical sales manager of Rational China, software department of IBM China Co., Ltd. November 01, 2004 Use Case is a method used to

Case modeling GuideFu chunyi, technical sales manager of rational China, software department of IBM China Co., Ltd.November 01, 2004Original URL: http://www-128.ibm.com/developerworks/cn/rational/r-usecase-atm/@

Use case is a method used to describe system requirements. The process of describing system requirements using use cases is case modeling. The use case method was first proposed by Dr. IVA jackboson and was later integrated into the UML

Query records that meet the conditions in the table-WHERE clause bitsCN.com Query records that meet the conditions in the table-WHERE Clause When using SQL statements for query operations, developers or users are not interested in all the records

7. use the WHERE clause to query records that meet the conditions in the table bitsCN.com When using SQL statements for query operations, developers or users are not interested in all the records in the data table, but want to get the actual data

Query records that meet the conditions in a table-when the WHERE clause uses SQL statements for query operations, developers or users are not interested in all the records in the data table, however, if you want to obtain the data records you

When using SQL statements for query operations, developers or users are not interested in all the records in the data table, but want to get the actual data records, in this case, you need to restrict the query results. In SQL statements, you can

In the ET table, the scores, averages and rank of the subjects in the class score book are easy tasks. But how do you do it if you want to do something similar for a class that is mixed with multiple classes? Figure 1 Fig. 1 shows the

Tag: The code filtering process contains the activity requirements record Lin andThere was a 2-day outage two days ago.Data requirements:1. Event Date 11.8-11.10 Order2, a single order to buy a class B products to meet the 68 yuan, and 3 consecutive