http://www.devart.com/dotconnect/postgresql/docs/MetaData.html In this overload first parameter is name of a collection, and second parameter is the array of restrictions to be applied when querying information. These restrictions specify which sub…
Processors 表示对于一种数据操作处理,在pipeline中可以应用多个Processors, 同时根据不同的执行模式,可以分为独立模式的,集群模式.边缘模式(agent),以及 帮助测试的测试Processors 独立pipelineonly Record Deduplicator - Removes duplicate records. 独立&&集群pipeline Aggregator - Performs aggregations and displays the resu…
简单介绍 Asp.net Core最大的价值在于跨平台.跨平台.跨平台.重要的事情说三遍.但是目前毕竟是在开发初期,虽然推出了1.0.0 正式版,但是其实好多功能还没有完善.比方说编译时的一些文件编码问题,辅助工具Tools的一些Bug,还有一些好用的模板和平台实现尚未完成等一些问题.但这毕竟是一个好的开始,并且在Github上,大家都还在积极的完善,你也可以参与进来.地址:https://github.com/aspnet Asp.net Core在学习的时候,首先你应该跟着微软官方的入门教材…
转自:https://www.percona.com/blog/2018/10/19/postgresql-building-enterprise-grade-setup-with-open-source/ Hello everyone, and thank you to those that attended our webinar on Building an Enterprise-grade PostgreSQL setup using open source tools last Wed…
转自:https://blog.yugabyte.com/distributed-postgresql-on-a-google-spanner-architecture-query-layer/ Our previous post dived into the details of the storage layer of YugaByte DB called DocDB, a distributed document store inspired by Google Spanner. This…
http://www.devart.com/dotconnect/sqlite/docs/MetaData.html https://github.com/sqlitebrowser/sqlitebrowser/releases/tag/v3.5.1 In this overload first parameter is name of a collection, and second parameter is the array of restrictions to be applied wh…
# psycopg2 engine=create_engine('postgresql+psycopg2://scott:tiger@localhost/mydatabase')# python 连接postgresql使用psycopg2作为默认的DBAPI The first time a method like Engine.execute()orEngine.connect()is called, the Engine establishes a real DBAPI connecti…
Stateful Set是Kubernetes 1.9版本新引入的一个概念,用于管理有状态的应用. Kubernetes官方文档: https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/ Manages the deployment and scaling of a set of Pods, and provides guarantees about the ordering and uniqueness of…