Here are some SSIS interview questions that you can expect if you interview for the job of ETL Developer. I will be adding more questions and different small scenarios. Good luck with your SQL Server Integration Services interview.
For Video Answers for SSIS Interview Questions , Please check THIS playlist.
General
What is ETL? (Video Answer)
What is Business … Read More →
All Tips
Additional Optimizations for Type 2 Slowly Changing Dimensions in SQL Server Integration Services - Part 3
Backwards Compatibility in SQL Server Data Tools for Integration Services
Data Sampling in SQL Server Integration Services
Debugging Control Flow in SQL Server Integration Services - Part 1
Debugging Control Flow in SQL Server Integration Services – Part 2
Defining Workflow in SSIS … Read More →
Your Key Performance Indicators are the vehicle to tell the story of your organization’s strategic performance.
Learn how to develop your Key Performance Indicators to manage the performance of your strategic plan. Want more practical tips and insights on strategic planning?
Subscribe to our channel here - https://www.youtube.com/channel/UCc5c...
Download a FREE Complete Guide to Strategic Planning - http://onstrategyhq.com/complete-stra... … Read More →
Clustered and nonclustered indexes share many of the same internal structures, but they're fundamentally different in nature. Watch Microsoft Certified IT Professional Jon Seigel explain the similarities and differences of clustered and nonclustered indexes, using a real-world example to show how these structures work to improve the performance of SQL queries.
Blog post on primary key … Read More →
While the practice of Continuous Integration (CI) started with application code, you can apply the same principles to databases. Database CI is the process by which we build, test and deploy the database on commit of every database change, and report any errors. In this way, CI reduces your feedback loop such that changes that … Read More →
Learn how Azure SQL Data Warehouse combines massively parallel processing (MPP) with Azure storage to achieve high performance and scalability.
MPP architecture components
SQL Data Warehouse leverages a scale out architecture to distribute computational processing of data across multiple nodes. The unit of scale is an abstraction of compute power that is known as a data warehouse … Read More →
Resources
The page is dedicated to presentations, scripts, and other resources that are available for download.
Presentations:
SQL Server Audit - Evidence Never Lies - PowerPoint slide deck
SQL Saturday #692 - Atlanta, GA - Jul 15, 2017
SQL Saturday #610 - Richmond, VA - Mar 18, 2017
SQL Saturday #592 - Raleigh, NC - Mar 11, 2017
Policy Based Management - Beyond the Basics … Read More →
xp_dirtree has three parameters:
directory - This is the directory you pass when you call the stored procedure; for example 'D:\Backup'.
depth - This tells the stored procedure how many subfolder levels to display. The default of 0 will display all subfolders.
file - This will either display files as well as each folder. The default of 0 … Read More →
PIVOT Operator
UNPIVOT Operator
A collection of premium SSIS components to enable greater developer productivity and increase the power of SSIS.
The HTTP/Web Services components is a grouping of SSIS add-on components from the SSIS Productivity Pack which facilitate working with HTTP and SOAP or REST based web services within SSIS.
There are currently 6 SSIS components within this category:
HTTP Connection … Read More →
C# Scripts
File Operation
C# - Delete files from a folder those are older than some number of days by using C Sharp
C# - How to get Oldest file from a folder by using C Sharp
C# - How to get the latest file from a folder by using C Sharp
C# - How to copy all files in … Read More →
Scripts those can be used by SQL Server DBAs and SQL Server Developers on daily basis.
Data Analysis / Data Validation / Data Cleansing Scripts
How to Search in all Columns for all tables in a database for Date Value in SQL Server
How to Find Percentage of Null Values in every Column of all the Tables in … Read More →
If you are looking for the real time scenarios/ Examples or type of work developer perform on Job as ETL developer. You are looking at the right place. The videos explain different scenarios those can answer your so many questions and also helpful if you are going for SSIS/ETL developer interview.
Starting with SSIS
How to Create … Read More →
In the following example we will looking for the LOCAL FAST_FORWARD parameter in to the declaration of cursor code.
LOCAL
Specifies that the scope of the cursor is local to the batch, stored procedure, or trigger in which the cursor was created. The cursor name is only valid within this scope. The cursor can be referenced by … Read More →
Free SQL Server video tutorial
Connecting to SQL Server
Working with databases
Creating and working with tables
Default Constraint
Cascading referential integrity
Check Constraint
Identity Column
Retrieving identity column value
Unique key constraint
All about select statement
Group By
Basic Joins
Advanced Joins
Self join
Different ways to replace NULL
Coalesce function
Union and Union All
Stored Procedures
Stored Procedures with output parameters
Difference between output … Read More →
SQL Server APPLY operator has two variants; CROSS APPLY and OUTER APPLY
The CROSS APPLY operator returns only those rows from the left table expression (in its final output) if it matches with the right table expression. In other words, the right table expression returns rows for the left table expression match only.
The OUTER APPLY operator … Read More →
OpenFace is a Python and Torch implementation of face recognition with deep neural networks and is based on the CVPR 2015 paper FaceNet: A Unified Embedding for Face Recognition and Clustering by Florian Schroff, Dmitry Kalenichenko, and James Philbin at Google. Torch allows the network to be executed on a CPU or with CUDA.
Crafted by … Read More →
Code Source : https://github.com/BrandonJoffe/home_surveillance
Smart security is the future, and with the help of the open source community and technology available today, an affordable intelligent video analytics system is within our reach. This application is a low-cost, adaptive and extensible surveillance system focused on identifying and alerting for potential home intruders. It can integrate into an … Read More →
What is Streaming?
Streaming is a technique in which the server provides the response to a request in chunks. I can think of a couple of reasons why this might be useful:
Very large responses. Having to assemble a response in memory only to return it to the client can be inefficient for very large responses. An … Read More →
SQL Server Execution Plans, 3rd Edition
by SQL Server MVP Grant Fritchey
If a query is performing poorly, and you can't understand why, then that query's execution plan will tell you not only what data set is coming back, but also what SQL Server did, and in what order, to get that data. It will reveal how … Read More →
Dowload last release : https://github.com/aelassas/Wexflow/releases/tag/v2.4
Features
Wexflow is an open source extensible workflow engine with a cross-platform manager and designer. The goal of Wexflow is to automate recurring tasks without user intervention. Wexflow aims to make automations, workflow processes, long-running processes and interactions between systems, applications and folks easy, straightforward and clean.
Wexflow provides the following features:
Sequential workflows.
Flowchart workflows.
Workflow events.
A cross-platform application … Read More →