Use the ‘unload‘ command as shown below to extract data from Redshift database to a csv file. unload (‘SELECT *
Continue readingHow to remove not null constraint from a column in Redshift
Once the table in created – Redshift does not support altering column to remove a not-null constraint defined on a
Continue reading[Amazon](500310) Invalid operation: cannot drop table because other objects depend on it
You might encounter the below error while trying to drop a table from Amazon Redshift database. Error : [Amazon](500310) Invalid
Continue reading[Amazon](500310) Invalid operation: Maximum number of stored procedures allowed exceeded
You might encounter the below message while creating a stored procedure in Amazon Redshift database. Error : [Amazon](500310) Invalid operation:
Continue reading[Amazon](500310) Invalid operation: permission denied for relation
You might encounter the below error while accessing a database object in Redshift database. Error : [Amazon](500310) Invalid operation: permission
Continue readingRoute 53 Cheat Sheet
Domain Name System (DNS) service Functionality offered: Domain registration DNS routing Health checking Hosted Zone -> Collection of records 2
Continue readingAWS Glue Cheat Sheet
Fully managed ETL service Serverless Pay as you go ETL jobs are executed on scalable Apache Spark environment Supports encryption
Continue readingHow to Refresh a Materialized View in Redshift
Manually Refresh: Below is the syntax to manually refresh a materialized view where mv_name is the name of the materialized
Continue readingHow to drop a constraint in Redshift database
Identify the constraint that you would like to drop using below sql and copy the constraint name. select * from
Continue readingHow to resize a column in Redshift database
Use the below command to modify the column width in Redshift. ALTER TABLE table_name ALTER COLUMN column_name TYPE new_data_type; Example,
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