SQL dynamic 的相关内容

文章 2017-11-15 来自：开发者社区

Linq to SQL Dynamic 动态查询

在开发中我们常需要使用动态的条件来组合查询，scotte博客里提到了MS提供的一个动态查询类库Basic Dynamic LINQ C# Sample,这个可以给我们提供不少方便，但是给的示例实在太简单，实际当中我们很多不能像他这样用。首先引入DynamicLibrary.cs，下面是我使用过程中的一些运行正确的用法（里面使用返回DataSet是因为对旧程序升级），我觉得写法很怪异，但是的确.....

文章 2017-07-30 来自：开发者社区

SAP HANA存储过程中的动态SQL语句(Dynamic SQL)

-- run 1_datatype_data.sql before running this script ALTER SESSION SET CURRENT_SCHEMA = SqlScriptDocumentation; drop procedure dynamic_sql_proc; CREATE PROCEDURE dynamic_sql_proc LANGUAGE...

文章 2017-03-26 来自：开发者社区

Flink Table/SQL API 规划 —— Dynamic Table

动态表的概念是社区很早就提出的但并没有全部实现下文中所有介绍都是基于已有规划和proposal给出的，可能与之后实现存在出入仅供参考概念动态表直观上看是一个类似于数据库中的Materialized View概念。动态表随着时间改变；类似静态的batch table一样可以用标准SQL进行查询然后一个新的动态表；可以和流无损地互相转换(对偶的)。对现有的API最大的改进关键在表的内容随着时间.....

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