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In this tutorial, you will learn about various PostgreSQL index types and how to use them appropriately. PostgreSQL has several index types: B-tree, Hash, GiST, …

In today’s article, we will be learning how to Create a Virtual Column in Oracle Database. Virtual column value cannot be UPDATE. INDEX can be …

In today’s article, we will be explaining how a database search engine can use indexes to speed up data retrieval. For example, if you want …

In today’s article, we will discuss how to check the objects that are dependent on the table and how to find the dependent objects. When …

In today’s article, we will explain PostgreSQL DDL Trigger and Event Trigger structures with the help of examples. Data Definition Language (DDL) tables are used …

In today’s article, we will talk about how to use the SET UNUSED command in cases where dropping the column will take time. We use …

In today’s article, If you are getting the “Microsoft Cluster Service (MSCS) cluster verification errors” failed while setting up SQL Failover Cluster, we will learn …

In this article, we will discuss in detail the table Move processes and how Shrink operations are performed. Sometimes we may need to move a …

In this tutorial, you will learn how to use the PostgreSQL DELETE TRIGGER statement to delete a trigger from a table. First of all, we …

In today’s article, we will learn how to delete data from a table and the differences between DELETE and TRUNCATE commands. Data from a table …