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Transparent Data Encryption (TDE)

Percona

Encrypting data at rest in a database management system (DBMS) refers to securing data by encrypting it when it is not being used or accessed. Disk-level encryption is a security measure that encrypts all data stored on a disk or storage device. This is often done to protect sensitive data from unauthorized access or theft. PostgreSQL.

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Data Redundancy With the PostgreSQL Citus Extension

Percona

Among its many capabilities, a Citus cluster can: Create distributed tables that are sharded across a cluster of PostgreSQL nodes to combine their CPU, memory, storage, and I/O capacity. Columnar storage of tables can compress data, speeding up scans and supporting fast projections, both on regular and distributed tables.

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SQL Server I/O Basics Chapter #2

SQL Server According to Bob

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