Redshift Conditional Statements – IF, LOOP, WHILE, FOR, CONTINUE and EXIT

The Redshift SQL conditional statements are a useful and important part of the plpgsql language. You can use Redshift control structures to perform some critical decisions based on data and manipulate SQL data in a flexible and powerful way. In Redshift, you can use conditional statements to control the flow of execution of a SQL script based on conditions. You can use these Redshift conditional statements for data manipulation in your complex SQL queries. Redshift Conditional Statements The Redshift conditional control flow statements are categorized into two parts: Conditional control…

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Redshift Stored Procedure Return Result Set – Working Example

Redshift stored procedures are used to encapsulate business logic such as transformation, data validation, etc. You can also use the stored procedure to return the result set in your applications. Typically, stored procedure returns a unique value, it can also return result set in the form of cursor or temporary tables. In this article, we will check Redshift Stored Procedure Return Result set with an example. Redshift Stored Procedure Return Result Set Return records from the Redshift stored procedure is bit different compared to other postgreSQL databases such as Netezza.…

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Redshift Dynamic SQL Queries and Examples

When you are working on the various data sources and different kind of SQL queries, there may be situations where you want to generate dynamic SQL queries dynamically based on your requirement. In Redshift you can PREPARE SQL statement and EXECUTE it. Redshift also support use of EXECUTE command in Redshift stored procedures. In this article, we will check Redshift Dynamic SQL Queries, how to PREPARE them and run using EXECUTE statements. The dynamic SQL in Redshift can be useful in many scenarios, such as when you need to execute…

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Working with Amazon Redshift Stored Procedure

Amazon Redshift supports stored procedures written in PL/pgSQL, a dialect of the PostgreSQL database language. Stored procedures in Redshift are used to encapsulate logic on the database side and can be executed by multiple client applications, improving code reusability and reducing the amount of duplicated code in your applications. In this article, we will check how to create a stored procedure in Redshift using simple examples. Amazon Redshift Stored Procedure Overview Amazon Redshift stored procedures are used to encapsulate the data migration, data validation and business specific logic's and same time…

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