Listing 1 shows an example of an SQL procedure with a case statement with a simple-case-statement-when-clause.

清单1展示了一个SQL过程的示例，包含一个case语句和一个simple - case - statement - when - clause。

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DB2 SQL - How can I display nothing instead of a hyphen when the result of my case statement is NULL?

DB 2 SQL -我怎么能代替连字号当我的case语句的结果是空的没有显示？

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