In this tutorial, we will learn what the generated columns are in MySQL and how to use them in your tables with practical examples. It is very easy to understand and use generated columns through some basic examples. So, let’s get started! Also read: MySQL Interval – Detailed Guide Introduction to MySQL Generated Columns In …
In this tutorial, we will learn about the MySQL INTERVAL keyword and its values to perform operations on the date and time arithmetic. So, let’s get started! Also read: While Loop in MySQL – A Complete Reference Introduction to MySQL INTERVAL In MySQL, the INTERVAL keyword is used to add or subtract date and time …
In this tutorial, we’ll learn about sequences and how we can create sequences in MySQL. In the end, we’ll see a few examples of MySQL sequences, from their creation to usage. SQL sequences are ordered lists of numbers, typically in ascending order. One can create a sequence function to generate a sequence table or a …
In this tutorial, we will learn about the IF Statement in MySQL which is very similar to the if statements in any other programing language such as C, C++, Java, Python etc. We will also learn different forms of the IF statement and their examples. So, let’s get started! What is the MySQL IF Statement? …
Using SQL, one can perform multiple operations on a table like fetching the data, inserting a new record, deleting a particular record, updating a table, creating a new table, and so on. A SQL transaction is nothing but a single unit of multiple operations. A transaction in SQL can have only two states after execution, …
In this tutorial, we’ll learn about using MySQL BLOB using JDBC. Blob stands for Binary Large Object, basically, a BLOB is an object data type used for storing large files such as audio, video, images, etc. In SQL server, BLOB can store up to 4 gigabytes. Although BLOBs are not universal to databases, MySQL supports …
In this tutorial, we will learn about the DROP VIEW statement to delete one or more views from the database. We will also see how to accomplish error handling if the view that you are trying to delete does not exist. So, let’s get started! Also read: MySQL Rename View Introduction to MySQL DROP VIEW …
In this tutorial, we will see how can we rename a MySQL view using the RENAME TABLE statement. Along with it, we will see another way also to rename a view in MySQL. So, without wasting any time, let’s get started! Introduction to MySQL Rename Views In MySQL, views are considered the same as tables. …
In this tutorial, we will see how we can view the index of a table or a database using the SHOW INDEX command and we’ll also learn how to see all the indexes present in a particular database. MySQL Indexes are the data structure used for improving the performance of search results. Indexes speed up …
In this tutorial, we will learn how to drop an index from a table in MySQL and we’ll see a few examples related to it as well. But before that, let’s have a quick look at what Indexes are and how to create one. Indexes are data structures in SQL to store fields or columns …