sql

英文: How to define expensive operation in sql 问题 "Is expensive a negative word so it should alwa...

英文: Trim off parenthesized text from columns that have it? 问题 我有一个 NVARCHAR(80) 列。一些列的值以空格结尾，后跟括号内的数...

英文: How to list all the functions in an Oracle DB and order them by their modification date 问题 我想获取 ...

英文: SQL - Query results that display a record with multiple rows of data on one row horizontally 问题 ...

英文: How to Rollback DB2 Ingest statement for malformed data 问题 我有一个Bash Shell脚本，运行一个DB2 SQL文件。这个SQL文...

英文: SQL Server comparison operations in ON eg: on a>b, output not as expected 问题 我有一个关于使用SQL Serv...

英文: What is that Teradata? syntax for a subquery aliased with a parameter (can't find a name of ...

英文: Databricks SQL syntax for previous six months in where statement 问题 我正在尝试找出在Databricks的SQL查询的WHE...

英文: Limit query result per unique columns combination 问题 我想要修改此查询，以限制结果每个组最多有2行（最新）： select distinct...

英文: SQL table design: table with multiple one-to-one relationships 问题 在SQL中，我有一个表设置： RegisterTable -...