Talend online training
→Introduction On Talend DI for Big Data:
About Talend Corporation and Their Journey
Products under Talend Platform?
What is Talend?
Advantages of using Talend over other competitor integration tools?
Why Talend is getting popular in the current trend?
Talend Installation system Requirements?
Types of repository connections to connect Talend Studio?
Use of workspace, Project?
What is Big data!!! List of software platforms come under Big data?
What is Hadoop and How it is different from traditional technologies?
What are the advantages with using Hadoop? In cost and Architectural feasibility prospective.
High level hadoop cluster architecture and physical core components
Hadoop eco system components.
what are the challenges in Implementing a Big data project with conventional Hadoop framework?
Pros and Cons in using Talend BD DI compared to conventional Hadoop eco system components?
Talend Architecture and its components.
Demo on Talend sample job design and execution.
→Talend GUI and Internal Tools
Menu bar and tools
Repository tree view
Outline and code summary panels
window -- show view, preferences
→ Brief explanation on
working with Projects - Create,open,import,delete,export project
Job: Create job, Add desired components to job
Types of component connection links
Row connection: Main, Reject, Unique, Duplicate, Iterate connection
Trigger connection : on subjob ok,on component ok,onsubjob error,on component error, run if
How to change label format for components and component connections
Component connection indicators
How do I determine Job starting point?
→Centralize Metadata and Schemas
Flat file, Excel file, XML file
Schema types and difference between the schemas.
Roll of Die on error
Enable & Disable reject flows
Capture rejected data prior to job failure
Input data validation against the schema object
→Pre-requisites to design and execute a Talend job
How to determine and fix Talend job errors with the help of problems tab.
Major and commonly using components
Logs & Errors
Lab practical with combination of above components
→Essential processing components :
Comparison between tJoin and tMap components
→ Data Mapping:
Expressions in tMap
Conditional logic with ternary operator
Variables ,Filters usage in tMap expressions
Row split into multiple routes
Joins in tMap
Reload at each row lookup
Reject data handling in tMap
Built in Functions
Lab practical with tMap
→More Practical on:
File - Multi structure, Regex
Orchestration -- tFlowtoIterate, tLoop
XML readers/writers -- tXMLMap
what is globalMap variables and how to use globalMap variables
Context group creation
Add a context group to job
Add contexts to context group
tContextLoad, Implicit Load context from a file, tContextDump
Context file location assignment with operating system environment variables
Talend Job debugging
→Custom Java in Talend
Conditional logic implementation with tjava & tJavaRow
Set context and globalMap variable values with tJava
How to use external java classes
Difference between tJavaRow and tJavaFlex
→Talend with Database reader and writers: (S3)
Read from database tables
How to use context,glomapMap variables in sql override
Print sql override query in output log
Write to database table
Database connection session management, Shared database connection
Column selection for Update, Insert operation
Rejects and error management - Bulk load
→Logging and Testing
Log console output to an operating system file
Custom job killing using system.exit(<custom return code>)
Code deployment & execution
Compiled executables - JAR files
Select desired context group from context group list
Command line context parameters
Job dependency management
Return codes from child job without Die
Parent & child job management
Miscellaneous components -- FixedFlowInput, tRowgenerator, tMemorizerows, tBufferInput, tBufferOutput
CDC implementation in Talend
SCD2 implementation in Talend
Difference between Talend open studio and Talend Enterprise edition
Jobs execution in parallel
tParallelize vs Multi thread execution
→Theory on Enterprise edition features
Remote Repository connections
Lock Types - Checkin,Checkout
Talend Administration center
Talend Activity monitor console
Talend SDLC - Job deployment process
Job publishing into Artifact repository -- From studio or command
Difference between Jobserver & Runtime server
Talend products related to DI Prospective:
Talend open studio - Data Integration edition, Bigdata edition
Talend Subscription Solutions - DI, BD - Bigdata, Bigdata platform, Real-time Bigdata platform
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