Oracle add primary key

Oracle how to add primary key

In this Oracle tutorial, we will learn how to add the primary key in oracle 19c and 21c. Also, we will cover the following topics in this tutorial. Oracle how to add primary key A primary key in Oracle identifies each row uniquely in the table. There are two major properties of primary key: While fetching … Read more >>

MariaDB Create Sequence + Examples

MariaDB create sequence example

In this MariaDB tutorial, we will learn about the “MariaDB Create Sequence” which generates a number automatically. Additionally, we will also cover the following topics. MariaDB create sequence MariaDB drop sequence MariaDB alter sequence MariaDB create sequence if not exists MariaDB create sequence In MariaDB, the new sequence is created using the keyword CREATE SEQUENCE that … Read more >>

MariaDB AUTO_INCREMENT + Examples

MariaDB AUTO_INCREMENT

In this MariaDB tutorial, we are going to learn about MariaDB AUTO_INCREMENT. Additionally, we will cover the following topics. MariaDB AUTO_INCREMENT MariaDB AUTO_INCREMENT_OFFSET MariaDB AUTO_INCREMENT Reset MariaDB AUTO_INCREMENT By 2 and By 3 MariaDB AUTO_INCREMENT_INCREMENT MariaDB AUTO_INCREMENT Not Primary Key MariaDB AUTO_INCREMENT Max Value MariaDB AUTO_INCREMENT 0 MariaDB auto_increment uuid MariaDB auto_increment primary key MariaDB AUTO_INCREMENT … Read more >>

MariaDB Primary Key

MariaDB Primary Key

In this MariaDB tutorial, we will study the use of MariaDB Primary Key, and we will also cover some examples. The lists of topic that comes under discussion are given below: MariaDB Primary Key In MariaDB, a primary key is defined as one or more fields that uniquely identify a record in a table. A … Read more >>

Oracle to_date Format [Complete Guide]

Oracle to_date format 24 hours

In this Oracle tutorial, we will discuss the oracle to_date format function. Using the to_date format, you can convert the char, varhcar2, nchar, or any other string format to the Date format. Furthermore, we will also cover these topics. Oracle to_date format Oracle to_date format converts the date from string data type (char, varchar2, etc) … Read more >>

MariaDB Delete Row + Examples

delete duplicate row in MariaDB

In this MariaDB tutorial, we will study the use of MariaDB Delete Row and we will also cover some examples. There are lists of the topic that comes under discussion: MariaDB delete row MariaDB delete row with foreign key MariaDB delete duplicate rows MariaDB delete first row MariaDB delete oldest row MariaDB recover deleted rows … Read more >>

MariaDB Full Outer Join – How to implement

MariaDB Full Outer Join Using Union

In this MariaDB tutorial, we will learn about MariaDB Full Outer Join. Additionally, we will cover the following topics. What is Full Outer Join Full Outer Join in MariaDB MariaDB Full Outer Join Using Union All What is Full Outer Join in Database Here, we will learn about the basics of Full Outer Join in … Read more >>

Stored procedure in SQL Server for insert and update

Stored procedure for insert and update in SQL Server

In this SQL Server tutorial, we will study how to create a stored procedure in SQL Server for insert and update operations. Additionally, we will also discuss the following set of topics in this tutorial. Stored procedure for insert and update in SQL Server In this section, we will learn how to create a stored procedure in … Read more >>

MariaDB Cast with Examples

MariaDB Cast

In this MariaDB tutorial, we will study the use of MariaDB Cast and we will also cover some examples. There are lists of the topic that comes under discussion is given below: MariaDB Cast MariaDB Cast DateTime to Date MariaDB Cast as BigInt MariaDB Cast as Date MariaDB Cast as String to DateTime MariaDB Cast … Read more >>

MariaDB Substring [11 Examples]

MariaDB Substring

In this MariaDB tutorial, we will study the use of MariaDB Substring and we will also cover some examples. The lists of the topic that comes under discussion are given below: MariaDB Substring Function MariaDB Substring Index MariaDB Substring Find MariaDB Substring Regex MariaDB Substring Position Maraidb Substring Left Mariadb Substring Count Mariadb Substring Last Character … Read more >>

Top 200 SQL Server Interview Questions and Answers

Free PDF On Top 200 SQL Server Interview Questions And Answers

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