Search: "foreign key drds"
Configure DRDS Reader - DataWorks V2.0 Documentation
The DRDS Reader plug-in allows your to read data from DRDS (distributed RDS). At the underlying implementation ...
Glossary - General Reference Documentation
, foreign key support, and row-level locking. input/output operations per second (IOPS)The total number of I/O operations per ...
Configure DRDS Writer - DataWorks V2.0 Documentation
key or a unique index to avoid data duplication. You must configure the data source before configuring the DRDS Writer plug-in ...
Configure DRDS writer - DataWorks Documentation
have a primary key or a unique index to avoid data duplication. You must configure the data source before configuring the DRDS ...
Distribute Relational Database Service (DRDS): Focuses on Large-Scale Online Databases - Alibaba Cloud Product
Distributed Relational Database Service (DRDS) focuses on expanding standalone relational databases, and has been tested by ...
Create a DRDS table - Distributed Relational Database Service Documentation
statement to create a table. //DRDS DDLCREATE TABLE shard_table(id int, name varchar(30), primary key(id)) ENGINE=InnoDB DEFAULT ...
Configure DRDS reader - DataWorks Documentation
The Drds Reader plug‑in provides the ability to read data from DRDS (distributed RDS). At the underlying implementation level ...
SQL optimization Forums
horizontally sharded as per the split key, use of split key in query will be very meaningful to reduce execution time of SQL in DRDS. The ...
Create a DRDS database - Distributed Relational Database Service Documentation
After a DRDS instance is created, you can create DRDS databases. Attention: DRDS databases can be created only on the console ...
Glossary - Distributed Relational Database Service Documentation
statement does not contain the sharding key, DRDS executes the SQL statement in all sub-tables and returns the results. Such a ...