Database
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Read Replica
Quick Definition
Copy of primary database for read-only queries
Full Definition
A copy of the primary database handling read-only queries for load distribution.
Examples
read scaling, reporting databases, geographic distribution
Related Terms
replication
high-availability
More Database Terms
Time-Series Database
Database optimized for time-stamped data storage
Transaction
Single unit of work that succeeds or fails completely
Primary-Replica Architecture
Architecture with primary for writes, replicas for reads
Normalization
Organizing tables to reduce redundancy and improve integrity
CAP Theorem
Theorem on Consistency, Availability, Partition tolerance trade-offs
Isolation Level
Degree of visibility between concurrent transactions