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In today’s article, we will be explaining what NOT NULL is and how to use it, which is the opposite of IS NULL in PostgreSQL. …

In today’s article, we will be learning how to Control File Location and size information in Oracle. The information kept in the control file is …

In today’s article, we will be explaining the introduction and features of Oracle Database 21C. Oracle Database 21C can be used in Cloud environment such …

In today’s article, we will explain what Is Null and how to use it in PostgreSQL. Null is not a value, so NULL should not …

In today’s article, we will be explaining Add Member to Redo Log Group and Increasing the Size of a Redo Log Group. A new member …

In this topic we will see how can we change our database name using Oracle NID tool. Use the syntax bellow to change the Dtabase …

In today’s article, I will be explaining What is PostgreSQL Coalesce and how to use it. The Coalesce function is used to replace a NULL …

In today’s article, we will be explaining Redo Log Switching, Redo Log Switch Frequency and Determining Redo Log Switch Duration. Redo Log Switching [crayon-683100aae858b643829231/] Redo …

In today’s article, we will be learning the first part of Single Instance 19C Database Installation with Oracle Grid Infrastructure. Oracle Database can be installed …

In today’s article, we will be explaining what is nullif in PostgreSQL and how to use it. The nullif function returns NULL if the two …