pgsql里面的length函数
时间: 2023-08-29 12:06:36 浏览: 306
在PGSQL中,length函数用于计算字符串的长度。它返回一个整数,表示字符串中字符的数量。可以使用length函数来获取一个字符串的长度。例如,使用以下语句可以计算字符串'Hello World'的长度:SELECT length('Hello World'); 结果将是11,因为字符串'Hello World'包含11个字符。\[1\]
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