Tips and tricks to use PostgreSQL with Go, Python, Java, Dockers, Kubernetes, Django, and other technologies.
bst365体育投注网址大全In PostgreSQL, we already support parallelism of a SQL query which leverages multiple cores to execute the query faster. Vacuum is one of the most critical utility operations which helps in controlling bloat, one of the major problems for PostgreSQL DBAs. So, vacuum needs to run really fast to reduce the bloat as early as possible. In PG13, parallel vacuum is introduced which allows for parallel vacuuming of multiple indexes corresponding to a single table.
bst365体育投注网址大全With these deployment scripts, you can set up the PostgreSQL database of your choice (PG/EDB Postgres), and, in addition, the scripts will deploy and configure the tools that would take care of high availability and automatic failover and also set up monitoring for the PostgreSQL cluster. We will use Terraform automation scripts to achieve this and deploy the cluster on AWS.
bst365体育投注网址大全This article discusses the differences between how Oracle and PostgreSQL evaluate NULL characters and empty strings. Oracle reads empty strings as NULLs, while PostgreSQL treats them as empty. Concatenating NULL values with non-NULL characters results in that character in Oracle, but NULL in PostgreSQL.