PostgreSQL Cursors || Cursors Available In PostgreSQL || Part 2 Parameterized/Parameterised Cursor

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Description
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In this video, we will discuss the cursors available in PostgreSQL.
We cover parameterized cursors in this video.
In Part 2 of our PostgreSQL Cursors series, we focus on Parameterized Cursors, an advanced type of cursor that allows for dynamic data retrieval based on parameters passed at runtime. Parameterized cursors are incredibly useful when you need to execute the same query with different values, making your database operations more flexible and efficient.
The tutorial begins with a brief overview of what parameterized cursors are and how they differ from simple cursors. You’ll learn how to define a parameterized cursor in PostgreSQL, set the necessary parameters, and use these cursors to fetch data dynamically. The video includes detailed, step-by-step examples that illustrate how to use parameterized cursors in various scenarios, such as filtering data or performing operations on subsets of data based on different criteria.
We also cover the best practices for managing parameterized cursors, ensuring that your queries run efficiently without putting undue strain on your database resources. By the end of this video, you will have a solid understanding of how to implement and optimize parameterized cursors in your PostgreSQL environment, helping you to build more dynamic and responsive database applications.
Whether you're a database administrator, developer, or just looking to deepen your PostgreSQL knowledge, this tutorial provides the insights and techniques you need to effectively use parameterized cursors.
PostgreSQL parameterized cursors, parameterized cursors PostgreSQL, dynamic SQL PostgreSQL, using cursors in PostgreSQL, SQL parameterized queries, PostgreSQL cursor examples, PostgreSQL tutorial, database management, advanced SQL, PostgreSQL tips
Links
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1. Simple Cursor: • PostgreSQL Cursors || ...
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4. Refcursor: • PostgreSQL Refcursor |...

[@Knowledge360Channel]

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[@sahistashaikh7596]

Yes sir

[@manirajselvadurai]

"select * from table limit 10; " this is the simple statement. How can write this in procedure ? is it possible ?

[@Knowledge360Channel]

Yes, it's possible, for that you will need to have the return type as a table in case you wish to write it in a stored function. Or, a ref cursor as OUT parameter in stored procedure.