For the past few years I have been involved in many projects where the requirement was to migrate the existing on-premises data warehouse to modern… Read More »DataWarehouse Migration Projects – Beginner Guide
Amazon Redshift supports loading columnar file formats like PARQUET, ORC. This extends compatibility and possibility of moving data easily from different environments for your data… Read More »Should you use PARQUET files with Redshift Copy ?
In Teradata, we can use concatenation operator to link multiple string or numeric or expression values into single value. Input for concatenate can be two… Read More »Teradata concatenate – syntax and example
Numeric overflow in Teradata occurs while handling numeric values in computation or transformation. Numeric overflow occurrs when you try to load or compute numeric value… Read More »Teradata Numeric overflow occurred during computation
I am sharing below 50 Teradata Interview questions which covers various topics and shall help in preliminary rounds of Interview. It covers basic architecture questions,… Read More »50 Teradata Interview Questions & Answers