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Databases are an essential part of many modern applications. They provide a way to store and manage large amounts of data in a structured and efficient way.
In MySQL, the SHOW CREATE EVENT statement is used to display the SQL statement to create a specific event. It’s a handy command when you want to see the exact definition of an event, including its scheduling and action statement. The syntax for the SHOW CREATE EVENT statement is: Where […]
A window function in MySQL is a type of function that performs a calculation across a set of related rows without grouping or aggregating the data. Window functions are also known as analytic functions or ranking functions. Window functions are different from regular aggregate functions, such as SUM(), AVG(), MAX(), […]
Amazon Web Services (AWS) Elastic Beanstalk is a fully managed platform for deploying, running, and scaling web applications and services. It supports several programming languages, including Java, .NET, PHP, Node.js, Python, Ruby, and Go, and web servers like Apache, Nginx, and IIS. With Elastic Beanstalk, you upload your application code, […]
To restart the MySQL server from within the MySQL command line interface, you generally need superuser or administrative privileges on the operating system on which the MySQL server is running. MySQL itself does not provide a SQL command to restart the server. However, you can accomplish this by calling a […]
In MySQL, you need to use the ALTER EVENT statement to change a scheduled event. You can modify the SCHEDULE clause to set the new recurring time for the event. Here is the general syntax for altering a scheduled event: The schedule It can be one of the following: Here […]
To add these standard columns to your tables in MySQL, one for the creation date-time and another for the last updated date-time of each record, you can use the DATETIME data type, along with the DEFAULT and ON UPDATE clauses. Here’s how you can do it: Here is an example […]
You can use several built-in functions to get the current date and time in MySQL. Here are some of the most commonly used ones: Here is an example of how you might use one of these functions in a query to insert the current date and time into a table: […]
To create an hourly event in MySQL, you must have the EVENT privilege for the database. To check if the event scheduler is enabled, run the following: Please note that the MySQL event scheduler is a background process that runs scheduled events based on their schedule. Ensure your MySQL user […]
Voldemort is a distributed key-value storage system It is used at LinkedIn by numerous critical services powering a large portion of the site. Comparison to relational databases Voldemort is not a relational database; it does not attempt to satisfy arbitrary relations while satisfying ACID properties. Nor is it an object […]
In monitoring and alerting, Prometheus shines brightly, illuminating the path for developers and system administrators. Born from the churning cauldron of dynamic cloud environments, Prometheus emerged as a beacon for those seeking insights into their systems. Let’s embark on an odyssey to understand this titan of metrics. The Chronicles: Tracing […]