Salut ! Azi o sa va povestesc cum am reusit sa trimit date in timp real de la masina catre un cluster de big data. Tools used: Mufa Obd elm327 2. Raspberry PI 4 – cu Apache MiNiFI 3. Cluster de big data cu Apache Nifi Pasul 1 Pregatirea flowului de preluare de fisier in […]
If you ever wanted to explore a big data cluster at home, here’s the details you need. The most important part is the memory RAM. I have 32 GB. I allocated 15GB for namenode and 3.5GB for every datanode. Set up : 4VMs , 1 namenode, 3 datanode. OS: Centos 7.8 Step 1 Install Centos […]
First of all, let’s start with the definition and a sample architecture picture of a DWH. “A data warehouse (DW or DWH), also known as an enterprise data warehouse (EDW), is a system used for reporting and data analysis, and is considered a core component of business intelligence. DWs are central repositories of integrated data from one or more disparate sources. They store current and historical […]
PySpark can be used as an ETL tool, replacing traditional tools like ODI or Informatica. Spark provides an ideal middleware framework for writing code that gets the job done fast. I will show you an example of how to move data from a MySql database to a Cassandra DB with PySpark, run with Jupyter Notebook. […]
Enisei Consulting ofera training pentru Informatica PowerCenter. Acest curs este predat în limba romana, iar materialele sunt în limba engleza si/sau in limba romana, după caz. Durata : 3 zile Structura curs : Informatica PowerCenter Product Ovieview PowerCenter Client PowerCenter Designer Repository Manager Workflow Manager Workflow Monitor Respository Service / Integration Service/ Domain Designing Mappings […]
Enisei Consulting ofera training pentru Oracle Data Integrator 12c. Acest curs este predat in limba romana, iar materialele sunt în limba engleza si/sau in limba romana, dupa caz. Durata : 3 zile Structura curs : ODI Studio Overview Designer Operator Topology Security ODI Topology Concepts Describing the Physical and Logical Architecture Designing Mappings ODI Procedures […]
Your sensitive data is at risk. The DBAs must be aware of these penetration tests and secure the db system. Oracle Penetration Testing Methodology Locate a system running Oracle. Determine Oracle Version. Determine Oracle SID. Guess/Bruteforce USERNAME/PASS. Privilege Escalation via SQL Injection. Manipulate Data/Post Exploitation Become DBA Execute OS Code Cover Tracks. There are several […]
PERSOANELE CARORA LI SE ADRESEAZA CURSUL Persoane care stiu putin sau deloc sa opereze baze de date. Persoane care doresc sa creeze aplicatii care includ baze de date si opereaza asupra lor. Persoane care lucreaza cu baze de date in raportari. Studenti. Reconversie profesionala. STRUCTURA CURSULUI DE SQL Notiuni teoretice fundamentale despre bazele de date […]
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