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1.7 连接列值
Published : 2008-11-13
Categories :
Cookbook
Tags :
SQL
DB2
MySQL
Oracle
PostgreSQL
Database
MSSQL
concat
Q: 将多列值连接作为一列返回
A: 使用内置函数 "concat"
DB2, Oracle, PostgreSQL ( concat函数,以及简写 "||" 双竖线连接符 )
SELECT enam...
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