GPDB透明加密 加密目标 • 表数据 • 预写日志数据 • 主从节点所有数据 • 索引及其他表辅助数据 • 磁盘缓存文件 设计目标 • 对用户和数据库透明 • 高性能，使用CPU加密指令集 • 内核原生 GPDB透明加密 加密 Planer TDE key Data (plain) Data (Encrypted) Executeor GPDB透明加密 解密 Query

平台上可用的版本。 3. ARM 平台测试问题的修复 原本 Greenplum 开源社区配套的测试框架以及测试用例都是基于 X86 平台来进行适配的，对于新的硬件架构，在浮 点数、底层汇编指令都有所不同，此次移植同样对这类问题进行了修复，保证欧拉开源操作系统在多硬件平台构建 RPM 软件包时行为一致，并且通过了 openEuler CICD 测试。 完全兼容欧拉开源操作系统的 HTAP

storage directives. [ ENCODING ( storage_directive [,…] ) ] where the word ENCODING is required and the storage directive has three parts: The name of the directive An equals sign The specification Separate storage directive to a single column or designate it as the default for all columns, as shown in the following CREATE TABLE clauses. General Usage: column_name data_type ENCODING ( storage_directive [, … Documentation VMware, Inc. 734 COLUMN column_name ENCODING ( storage_directive [, … ] ), … DEFAULT COLUMN ENCODING ( storage_directive [, … ] ) Example: C1 char ENCODING (compresstype=quicklz, blocksize=65536)

storage directives. [ ENCODING ( storage_directive [,…] ) ] where the word ENCODING is required and the storage directive has three parts: The name of the directive An equals sign The specification Separate storage directive to a single column or designate it as the default for all columns, as shown in the following CREATE TABLE clauses. General Usage: column_name data_type ENCODING ( storage_directive [, … Documentation VMware, Inc. 743 COLUMN column_name ENCODING ( storage_directive [, … ] ), … DEFAULT COLUMN ENCODING ( storage_directive [, … ] ) Example: C1 char ENCODING (compresstype=quicklz, blocksize=65536)

storage directives. [ ENCODING ( storage_directive [,…] ) ] where the word ENCODING is required and the storage directive has three parts: The name of the directive An equals sign The specification Separate storage directive to a single column or designate it as the default for all columns, as shown in the following CREATE TABLE clauses. General Usage: column_name data_type ENCODING ( storage_directive [, … Documentation VMware, Inc. 666 COLUMN column_name ENCODING ( storage_directive [, … ] ), … DEFAULT COLUMN ENCODING ( storage_directive [, … ] ) Example: C1 char ENCODING (compresstype=quicklz, blocksize=65536)

storage directives. [ ENCODING ( directive> [,…] ) ] where the word ENCODING is required and the storage directive has three parts: The name of the directive An equals sign The specification Separate Separate multiple storage directives with a comma. Apply a storage directive to a single column or designate it as the default for all columns, as shown in the following CREATE TABLE clauses. General ENCODING ( directive> [, … ] ), … COLUMN ENCODING ( directive> [, … ] ), … DEFAULT COLUMN ENCODING ( directive> [, … ] ) VMware Tanzu Greenplum

storage directives. [ ENCODING ( directive> [,…] ) ] where the word ENCODING is required and the storage directive has three parts: The name of the directive An equals sign The specification Separate Separate multiple storage directives with a comma. Apply a storage directive to a single column or designate it as the default for all columns, as shown in the following CREATE TABLE clauses. General ENCODING ( directive> [, … ] ), … COLUMN ENCODING ( directive> [, … ] ), … DEFAULT COLUMN ENCODING ( directive> [, … ] ) Example: C1 char ENCODING

storage directives. [ ENCODING ( directive> [,⋯] ) ] where the word ENCODING is required and the storage directive has three parts: The name of the directive An equals sign The specification Separate Separate multiple storage directives with a comma. Apply a storage directive to a single column or designate it as the default for all columns, as shown in the following CREATE TABLE clauses. General ENCODING ( directive> [, ⋯ ] ), ⋯ COLUMN ENCODING ( directive> [, ⋯ ] ), ⋯ DEFAULT COLUMN ENCODING ( directive> [, ⋯ ] ) VMware Tanzu Greenplum

storage directives. [ ENCODING ( directive> [,…] ) ] where the word ENCODING is required and the storage directive has three parts: The name of the directive An equals sign The specification Separate Separate multiple storage directives with a comma. Apply a storage directive to a single column or designate it as the default for all columns, as shown in the following CREATE TABLE clauses. General ENCODING ( directive> [, … ] ), … COLUMN ENCODING ( directive> [, … ] ), … DEFAULT COLUMN ENCODING ( directive> [, … ] ) VMware Greenplum 6 Documentation

storage directives. [ ENCODING ( directive> [,⋯] ) ] where the word ENCODING is required and the storage directive has three parts: The name of the directive An equals sign The specification Separate Separate multiple storage directives with a comma. Apply a storage directive to a single column or designate it as the default for all columns, as shown in the following CREATE TABLE clauses. General ENCODING ( directive> [, ⋯ ] ), ⋯ COLUMN ENCODING ( directive> [, ⋯ ] ), ⋯ DEFAULT COLUMN ENCODING ( directive> [, ⋯ ] ) VMware Tanzu Greenplum