25 lines
259 B
Markdown
25 lines
259 B
Markdown
# 一、while语句
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语法：
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```sql
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while 条件表达式
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do 循环体语句
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end while;
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```
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# 二、repeat语句
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语法
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```sql
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repeat
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语句列表
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until 条件表达式 end repeat;
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```
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# 三、loop语句
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语法：
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```sql
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loop
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语句列表
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end loop;
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```
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