我尝试在codeigniter中对sqlserver数据库进行原始查询。$this->db->query("SELECT * FROM TableName WHERE CONVERT(VARCHAR," .$ColumnName. ", 120) LIKE '%".我尝试在navicat中直接使用这个字符串进行查询,它可以工作,但是当我在</e
当我在flink sql中执行这样的查询时: SELECT COLLECT(col1) OVER ( ORDER BY col3ROWS BETWEEN 1 PRECEDING AND CURRENT ROW FROM table 如何将多集数据类型的col4转换为字符串?我试过cast(col4 as string),但它不起作用。Cas
如何将数据库从PostgreSQL转换为MySQL?我已经有了postgresql转储文件,我尝试使用pg2mysql脚本进行转换,但是当上传该文件时会产生以下错误: check the manual that corresponds to your MySQL server version for the rightsyntax to use nea