Apache Doris PMC、關(guān)注OLAP數(shù)倉及數(shù)據(jù)中臺(tái)建設(shè)<br>
IP屬地:廣東
Apache Doris 代碼倉庫地址:apache/incubator-doris[https://github.com/apache/incubator-doris] 歡...
什么是查詢優(yōu)化器 查詢優(yōu)化器是傳統(tǒng)數(shù)據(jù)庫的核心模塊,也是大數(shù)據(jù)計(jì)算引擎的核心模塊,開源大數(shù)據(jù)引擎如 Impala、Presto、Drill、HAWQ、 Spark、Hive ...
什么是Shim Shim一詞的原本含義是“墊片”或者“楔子”,而首先將這個(gè)詞應(yīng)用到軟件工程領(lǐng)域的似乎是微軟。根據(jù)Wikipedia的總結(jié): A shim is a libra...
Dinky最新dev分支已經(jīng)可以
基于Calcite解析Flink SQL列級(jí)數(shù)據(jù)血緣數(shù)據(jù)血緣 數(shù)據(jù)血緣(data lineage)是數(shù)據(jù)治理(data governance)的重要組成部分,也是元數(shù)據(jù)管理、數(shù)據(jù)質(zhì)量管理的有力工具。通俗地講,數(shù)據(jù)血緣就是數(shù)據(jù)在...
數(shù)據(jù)血緣 數(shù)據(jù)血緣(data lineage)是數(shù)據(jù)治理(data governance)的重要組成部分,也是元數(shù)據(jù)管理、數(shù)據(jù)質(zhì)量管理的有力工具。通俗地講,數(shù)據(jù)血緣就是數(shù)據(jù)在...