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In this tutorial, you will learn how to create PostgreSQL multicolumn indexes, which are indexes defined on two or more columns of a table. First, …

In today’s article, we will be explaining the concept of a primary key in Oracle, which is a single field or combination of fields that …

In this article, you will learn how to create a PostgreSQL unique index to ensure the uniqueness of values in one or more columns. When …

In today’s article, we will be talking about how to use Constraints to ensure data integrity in the Oracle Database. Oracle provides us with great …

In today’s article, we will discuss the B-tree index, which is a balanced tree data structure used to store indexed values ​​in a sorted order. …

In today’s article, we will be learning how to Logging and Nologging the Table in the Oracle database. The logging_clause lets you specify whether certain …

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 …