代码搜索：when
找到约 10,000 项符合「when」的源代码
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c when.c
// when.c -- when a loop quits
#include
int main(void)
{
int n = 5;
while (n < 7) // line 7
{
printf("n = %d\n", n);
n++;
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htm c_when.htm
The when Command
when
The when command sets complex breakpoints
Format
The
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txt case when.txt
CASE 具有两种格式：
(1)简单 CASE 函数将某个表达式与一组简单表达式进行比较以确定结果。
(2)CASE 搜索函数计算一组布尔表达式以确定结果。两种格式都支持可选的 ELSE 参数。
语法
简单 CASE 函数：
CASE input_expression
WHEN when_expression THEN result_expression
www.eeworm.com/read/338182/12320575
txt case when.txt
CASE 具有两种格式：
(1)简单 CASE 函数将某个表达式与一组简单表达式进行比较以确定结果。
(2)CASE 搜索函数计算一组布尔表达式以确定结果。两种格式都支持可选的 ELSE 参数。
语法
简单 CASE 函数：
CASE input_expression
WHEN when_expression THEN result_expression
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mnu when_rels.mnu
WHEN#RELS 关系时
# remove the # sign and enter foreign help string in this line
After#Rels 关系之后
Apply shrinkage after relations evaluation.
在关系计算之后使用收缩
Before#Rels 关系之前
Apply shrinkage before relations
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mnu when_rels.mnu
WHEN#RELS
# remove the # sign and enter foreign help string in this line
After#Rels
Apply shrinkage after relations evaluation.
# remove the # sign and enter foreign help string in this line
Before#R
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txt trigger_when.txt
--验证行级触发器的when语句的作用是使触发器只对满足when 条件的行触发。
--update普通纪录sal=10001,被trigger挡住。job='PRESIDENT'因为WHEN条件不满足,TRIGGER未触发，UPDATE OK
CREATE TRIGGER scott.salary_check
BEFORE
UPDATE ON scott.emp