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Category: Redshift

How-To Guides / Redshift

How to view all active sessions in Redshift database

Use the below query to view all active sessions in Redshift database. select distinct starttime , process , user_name ,

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How-To Guides / Redshift

How to determine the version of Redshift database

Run the below query to determine the version of Redshift as well as the operating system of the underlying host.

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How-To Guides / Redshift

How to list all the databases in a Redshift cluster

Run the below query to list all the databases in a Redshift cluster. select oid as db_id, datname as db_name,

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How-To Guides / Redshift

How to get the column names of a table in Redshift

You can list all the columns of a table using below query where tablename is the name of the table.

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How-To Guides / Redshift

How to get all the currently running queries in Redshift

Use the below query to identify all the queries currently in process. select userid , query , pid , starttime

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How-To Guides / Redshift

How to get the column count of all tables in Redshift

Run the below query to get the column count of all tables in Redshift database. select table_schema, table_name, count(*) from

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How-To Guides / Redshift

How to get the row count of all tables in Redshift

Run the below query to obtain the row count of all tables in Redshift database select t1.table_schema, t1.table_name, t2.tbl_rows from

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How-To Guides / Redshift

How to identify columns that have default values in Redshift

Below is the query to identify all columns (and their default values) that have a default value defined in Redshift

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How-To Guides / Redshift

How to list all the tables of a schema in Redshift

Run the below select statement to list all the tables of a schema where schemaname is the name of the

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How-To Guides / Redshift

How to get the current user from Redshift database

Run the below select statement to obtain the username of the current session in Redshift. select current_user;

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