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1·Each indicator variable must be individually named.

每个指示符变量都必须单独命名。

2·The indicator variable for the column is set to zero for each value that is different.

对于每个不同的值，该列的指示符变量被设置为0。

3·To get around this I use a data structure to define a named indicator variable for each array element.

为绕过这个限制，我使用一个数据结构来为每个数组元素定义一个已命名指示符变量。

4·In embedded SQL, an indicator variable is set to -2 for the column or columns that cause the error.

在嵌入式SQL中，对于导致错误的列，指示符变量设置为- 2。

5·If the old and new values are the same, then the indicator variable remains as -7 and the column is ignored.

如果新旧值相同，那么指示符变量仍然是- 7，该列被忽略。

6·To understand the RPG HANDLE_UPDATE sub-procedure we need to discuss the concept of extended indicator variable support.

要理解R PG handle_update子过程，我们需要讨论扩展指示符变量支持的概念。

7·If the former is true, then the indicator variable for that column is set to -1 which results in the column being updated with the null value.

如果是前一种情况，那么该列的指示符变量被设置为- 1，这导致该列被更新为空值。

8·If the latter is true, then the indicator variable for that column is set to -5 which will set the column to the default value for that column.

如果是后一种情况，那么该列的指示符变量被设置为- 5，这将把该列的值设置为默认值。

9·Prior to the DB2 for I 6.1 release, SQL Update and Insert statements could use an indicator variable with a value of -1 to set a null capable column to the null value.

在DB 2 for i 6.1发布之前，SQL Update和insert语句能够使用一个值为- 1的指示符变量，将支持空值的列设置为空值。

10·When pages are served by PHP, this process is easy; you can check a session variable, or other persistent indicator.

如果页面是由PHP实现的，这一过程将会非常简单，您可以检查一个会话变量或者其它的永久指示符。