BigData

Hive Pivot Table-Transpose Rows to Column and Example

Many relational databases such as Oracle, Snowflake support PIVOT function which you can use to convert row to column. But, Apache Hive does not support Pivot function yet. As an alternative method, you can use CASE and DECODE statements to convert table rows to column, or columns to rows as per your requirements. In this article, we will check different methods to transpose Hive table using a Pivot function alternative method with some examples. Hive Pivot Table Creating pivot table is a relatively common task in a data warehouse. You…

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September 25, 2020
Redshift

Redshift Pivot and Unpivot Table-Transpose Redshift Table

In the relational database, Pivot used to convert rows to columns and vice versa. Many relational databases support pivot function. Recently, Amazon Redshift started supporting PIVOT and UNPIVOT function. However, as an alternative method, you can use CASE or DECODE to convert rows to columns, or columns to rows. In this article, we will check Redshift pivot and unpivot table methods to convert rows to columns and vice versa. Post Content Introduction Pivot Tables in Redshift Redshift Transpose Rows to Column using Pivot Example Unpivot Tables in Redshift Redshift Transpose…

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September 11, 2019