一、场景还原 前端小林问我，它从前端的返回的某些字段，想知道那个表有这个字段，它想操作这个表……
项目中遇到测试，需要造4500数据，而且需要分部门和日期，一个部门一天30条数据，剩下的铺垫数据可以一个部门一天100w左右数据，这里，每次变换部门，日期，需要操作至少300次，想到用存储过程写一个函数进行
我就废话不多说了，大家还是直接看代码吧~ create or replace function aa1(a1 integer[],a2 bigint) returns
条件查询-模糊匹配 PostgreSQL和SQL Server的模糊匹配like是不一样的，PostgreSQL的like是区分大小写的，SQL Server不区分。
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I am doing some research on migrating away from Microsoft sql server to postgresql and am looking for the best tools to get the job done.
Currently, I have an application that uses Firebird in embedded mode to connect to a relatively simple database stored as a f开发者_运维知识库ile on my hard drive. I want to switch to using PostgreSQL
Currently migrating from SQL Server to PostgreSQL and attempting to improve a couple of key areas on the way:
How can you make Postgres accessible in Firefox, in installing MediaWiki? I get the error \"No database connection\" because Firefox cannot have a database connection.
I am planning to implement a Type-2 SCD in PostgreSQL. The downside of SCDs is that you cannot have foreign keys referencing thos tables if used as is often seen. In other words, I often see referenti
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