WebJul 18, 2024 · Global tables This feature of DynamoDB allows you to deploy your tables across multiple AWS regions. Global tables are charged based on the resources associated with each replica table. Write capacity for global tables is represented by replicated WCUs instead of standard WCUs. WebIf the primary DB cluster of your Aurora global database is based on a replica of an Amazon RDS PostgreSQL instance, you can't create a secondary cluster. Don't attempt to create a … Global Database uses storage-based replication with typical latency of less …
AWS Certified Database Sample Exam Questions
WebJul 29, 2024 · 1. Amazon Aurora : Amazon Aurora is a fully managed relational database engine from Amazon Web Services that are compatible with MySQL and PostgreSQL. It is approx five times faster than standard MySQL databases and three times faster than standard PostgreSQL databases. WebEnables rotation of the contents of the mysql.rds_global_status_history table to mysql.rds_global_status_history_old at intervals specified by rds_set_gsh_rotation. mysql.rds_set_gsh_rotation. Specifies the interval, in days, … how to start a successful business as a teen
Amazon DynamoDB global tables
WebForeign keys yes no Transaction concepts ACID ACID Concurrency yes yes Durability yes yes In-memory capabilities yes User concepts fine grained access rights according to SQL-standard Access rights for users and roles can be defined via the AWS Identity and Access Management (IAM) More information provided by the system vendor WebApr 7, 2024 · 修改敏感参数 若干参数相关说明如下: “lower_case_table_names” 云数据库默认值:“1”。 作用:该参数表示创建数据库及表时,表存储是否大小写敏感。 ... 参数值从0变为1的设置顺序:先修改和重启主库,在主库执行SELECT @@GLOBAL.GTID_EXECUTED ... 云数据库 RDS-RDS for ... WebApr 10, 2024 · Global Cluster: A PostgreSQL global cluster with clusters provisioned in two different region Multi-AZ: A multi-AZ RDS cluster (not using Aurora engine) MySQL: A simple MySQL cluster PostgreSQL: A simple PostgreSQL cluster S3 Import: A MySQL cluster created from a Percona Xtrabackup stored in S3 reaching treetops