Search Postgresql Archives

Re: Large index

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, Nov 5, 2020, 6:52 AM Yambu <hyambu@xxxxxxxxx> wrote:
What disadvantage does a large table (30mil records) has over a small table about 20k records when it comes to querying using an indexed column?

Table with 20k rows will likely fit entirely into shared_buffers and not involve any disk i/o for its use.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Postgresql Jobs]     [Postgresql Admin]     [Postgresql Performance]     [Linux Clusters]     [PHP Home]     [PHP on Windows]     [Kernel Newbies]     [PHP Classes]     [PHP Books]     [PHP Databases]     [Postgresql & PHP]     [Yosemite]

  Powered by Linux