sql

英文: How to set values from map (associative array) of items in postgresql? 问题 我有一个类似于以下表格的表： CREATE ...

英文: ORACLE DB-In a situation that few dates data loaded as null for one column&remaining dates w...

英文: Combining multiple select statements in one SQL Query? ConcatRelated() and Sum() 问题 我们有一个用于跟踪数据并...

英文: mysql query for finding the products that had less than 10 sales and at least 1 sale within 7 da...

英文: Azure SQL: can’t ping the Private Endpoint from on-prem 问题 我已经设置了一个Azure SQL PaaS服务器和一个私有端点（PE），...

英文: How to Select a column in the inner join without group by SQL 问题 SELECT c.id, c.title, u.user_em...

英文: MySQL subquery strange issue 问题 MySQL: 5.7.16 有两个表： rule_conf 表: CREATE TABLE `rule_conf` ( `id`...

英文: Oracle SQL update field in one table with another table using 'where' clause and 'ex...

英文: Conditional WHERE clause based on variable 问题 在select * from #t查询的WHERE子句中，你可以使用CASE/WHEN/END语句来...

英文: Parsing time format with zone in presto sql 问题 如何将以下时间格式解析为Presto SQL中的时间戳，更具体地说是AWS Athena？ Mon...