mysql partition by key

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mysql partition by key

All columns used in the partitioning expression for a partitioned table must be part of every unique key that the table may have. ,Partitioning by key is similar to partitioning by hash, except that where hash partitioning employs a user-defined expression, the hashing function for key ... ,All columns used in the partitioning expression for a partitioned table must be part of every unique key that the table may have. ,Partitioning by key is similar to partitioning by hash, except that where hash partitioning employs a user-defined expression, the hashing function for key ... ,2009年12月21日 — I am writing a data warehouse, using MySQL as the back-end. I need to partition a table based on two integer IDs and a name string. ,2017年7月7日 — Partition key 不應該是index key 的第一個; Partition key 需要是Primary key 或是Unique Key; 如果Partition key 是dt ,通常index 長得像PRIMARY KEY (… ,KEY partitions work with columns with non-integer values, yet they will always return integer values, no matter what the column data type is.,2023年10月10日 — By using KEY , you are letting MySQL use the primary key (or a unique key) of a table to determine how to sort the data. An internal algorithm ... ,2017年6月11日 — 4-1. Key partitioning​​ 如果你是使用key partitioning的話,MySQL會用它自己的hash function算出你這筆資料要放哪裡。 key的用法為 key(column) ,裡面必 ...

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mysql partition by key 相關參考資料
26.6.1 Partitioning Keys, Primary Keys, and Unique Keys

All columns used in the partitioning expression for a partitioned table must be part of every unique key that the table may have.

https://dev.mysql.com

3.5 KEY Partitioning

Partitioning by key is similar to partitioning by hash, except that where hash partitioning employs a user-defined expression, the hashing function for key ...

https://dev.mysql.com

6.1 Partitioning Keys, Primary Keys, and Unique Keys

All columns used in the partitioning expression for a partitioned table must be part of every unique key that the table may have.

https://dev.mysql.com

MySQL 8.4 Reference Manual :: 26.2.5 KEY Partitioning

Partitioning by key is similar to partitioning by hash, except that where hash partitioning employs a user-defined expression, the hashing function for key ...

https://dev.mysql.com

mySQL KEY Partitioning using three table fields (columns)

2009年12月21日 — I am writing a data warehouse, using MySQL as the back-end. I need to partition a table based on two integer IDs and a name string.

https://stackoverflow.com

MySQL partition 筆記

2017年7月7日 — Partition key 不應該是index key 的第一個; Partition key 需要是Primary key 或是Unique Key; 如果Partition key 是dt ,通常index 長得像PRIMARY KEY (…

http://kkc.github.io

MySQL Partitioning: Overview and Examples

KEY partitions work with columns with non-integer values, yet they will always return integer values, no matter what the column data type is.

https://www.devart.com

What is MySQL partitioning?

2023年10月10日 — By using KEY , you are letting MySQL use the primary key (or a unique key) of a table to determine how to sort the data. An internal algorithm ...

https://planetscale.com

What's MySQL partition

2017年6月11日 — 4-1. Key partitioning​​ 如果你是使用key partitioning的話,MySQL會用它自己的hash function算出你這筆資料要放哪裡。 key的用法為 key(column) ,裡面必 ...

https://blog.kenyang.net