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Data processing: user portraits - DataWorks
Documentation
https://www.alibabacloud.com/help/doc-detail/85298.html
;IP address',
uid
STRING COMMENT 'User ID', time string comment 'time:yyyymmddhh:mi:ss', status string ...
Does the value of Accumulation Amount in the console include the
number
of all tagged messages under topics - Message Queue
Documentation
https://www.alibabacloud.com/help/doc-detail/105329.html
Yes. The message producer sends tags of all types to the same topic. Messages are arranged in the ...
Pan-Chinese Electricity Grid System: Real-Time OLTP and OLAP Database Design
blog
https://www.alibabacloud.com/blog/594863
1. Scaling of detail businessPerform database sharding by prefectural city. For a city with an ultra-large
number
of ...
PostgreSQL Practices - Application of Graph Search in Content Communities
blog
https://www.alibabacloud.com/blog/595040
. User table ``` create table users(
uid
int primary key, -- user ID info text, -- additional ...
Securing Your Smart Home Network
blog
https://www.alibabacloud.com/blog/202970
, it is easy the communication protocol between the Client and SmartHost to be analyzed. After stealing the account
number
and ...
Optimizing Real-time Tagging on PostgreSQL
blog
https://www.alibabacloud.com/blog/594689
) For example: ``` create table test(
uid
int8 primary key, tag1 int, tag2 text, tag3 int, tag4 text, tag5 timestamp, tag6 date ...
Behavior and Audit Log Modeling: PostgreSQL Best Practice (1
blog
https://www.alibabacloud.com/blog/594865
. ``` 65,000*40 = 2,600,000 ``` 2. The
number
of
UID
index entries is negligible. 3. TS index entries use a BRIN index and ...
Features and usage - ApsaraVideo for VOD
Documentation
https://www.alibabacloud.com/help/doc-detail/124714.html
playback when the player starts loading data due to a network error. The
number
of retry times equals the value of the ...
Multiple-row operations - Table Store
Documentation
https://www.alibabacloud.com/help/doc-detail/31733.html
independently. Compared to the execution of a large
number
of GetRow operations, the BatchGetRow operation effectively reduces ...
Principles and Optimization of 5 PostgreSQL Indexes (btree,hash,gin,gist,and brin
blog
https://www.alibabacloud.com/blog/351557
, and each attribute matches the value range of certain TAGs. `create table user_tags(
uid
int8 primary key, lab1 int, lab2 text ...
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