What type of reading does Greenplum use — row-based or columnar?
Middle
161
Data Engineer
671
0
You have a query that performs poorly, slowly, or crashes — how to optimize it?
Middle
160
Have you ever worked with query optimization? Where does optimization generally start?
Middle
159
Our topic is highly structured, tree-like, and the data is raw — how to process it?
Middle
155
What have you written in Python besides Airflow DAG?
Middle
154
Is Greenplum an OLTP or analytical storage?
Middle
153
Did you write dbt jobs manually or automate them, were there templates?
Middle
149
Were you the only one responsible for them — did you do everything yourself?
Middle
136