Oracle database creation user, specifying default (create) tablespace, user permission assignment (empowerment) script (dba, ETL required)
Oracle database create user, specify default (create) tablespace, and grant permissions (dba, ETL are required)
preface
In the actual development process, creating users in the database, specifying tablespaces and assigning permissions to users are the basic operations. The script commands are introduced below.
Tip: the following ...
Posted by zarp on Wed, 15 Dec 2021 16:18:13 +0100
Big data offline processing data project data cleaning ETL writes MapReduce program to realize data cleaning
Introduction:
Functions: clean the collected log data, filter invalid data and static resources
Method: write MapReduce for processing
Classes involved:
1) Entity class Bean
Describe various fields of log data, such as client ip, request url, request status, etc
2) Tool class
Used to process beans: set the validity or invalidity of log ...
Posted by KRAK_JOE on Fri, 03 Dec 2021 17:01:43 +0100