Search: "partition"
What are primary keys, data partitions, and partition keys - Table Store Documentation
cannot be changed once created. Data partition and partition keyTo balance the load of stored data, Table Store automatically divides a table into data partitions. Data is partitioned by the first column of the primary key, which is called data partition key ...
Partition samples - MaxCompute Documentation
The following example takes Partition as input and output. Example 1: public static void main logic that determines whether the Partition can be used as the input of MapReduce job. ...
Reasonableness evaluation of partition pruning - MaxCompute Documentation
Background and purposes Partition tables of MaxCompute refer to the partition spaces specified during table creation. This refers certain fields in the table as partition columns. When using data, if you mention the name of the ...
DYNAMIC PARTITION - MaxCompute Documentation
To ‘insert overwrite’ into a partition table, specify the partition value in the statement. It can also be realized in a more flexible way, to specify a partition column in a partition table but not give the value ...
Partition - MaxCompute Documentation
To improve MaxCompute’s processing efficiency, you can specify a partition when creating a table. Specifically, several fields in the table can be specified as partition columns. A partition is comparable in terms of functionality to a ...
Which data types can be used as the partition keys of tables? - HybridDB for MySQL Documentation
HybridDB for MySQL currently allows only one column to function as the partition key of a table partition key that is composed of multiple columns. For more information, see DDL statements. ...
Can the primary key function as the partition key? - HybridDB for MySQL Documentation
Yes. In HybridDB for MySQL, a column can function as both the primary key and the partition key. ...
Partition and format data disk more than 2 TiB - Elastic Compute Service Documentation
This article describes how to partition and format a large data disk in different operating systems using the GPT data disk. Note If you want to partition and format a data disk less than 2 TiB, please see ...
Column/Partition operation - MaxCompute Documentation
Add partition Statement format: ALTER TABLE TABLE_NAME ADD [IF NOT EXISTS] PARTITION partition_spec partition_spec:(partition_col1 = partition_col_value1, partition_col2 = partiton_col_value2 ...
How to use table partition? - HybridDB for PostgreSQL Documentation
We recommend that you enable table partition for fact tables or large tables in the database. Table partition simplies the deleting data and importaning data operations on a regular basis. With table partition, You can use ...