Found 6702 Articles for Database

Consistency levels in Cassandra

Hardik Gupta
Updated on 26-Apr-2023 16:29:55

598 Views

Developed to manage massive volumes of data across commodity servers, Apache Cassandra is a distributed, highly scalable NoSQL database management system. Cassandra's configurable consistency is one of its core characteristics, allowing users to combine data consistency with speed and availability. In this post, we will go through the various consistency levels in Cassandra and present examples of how to use them. A consistency level in Cassandra is the number of replicas that react before providing a response to a user. Cassandra's consistency is configurable, which means that any client may decide how much consistency and availability they want. It is ... Read More

Commonly asked DBMS interview questions for intermediate level

Hardik Gupta
Updated on 26-Apr-2023 16:28:19

134 Views

A database management system is a system tool that enables effective and convenient data storage, access, manipulation, and sharing. It facilitates access and storage of linked data. Data Dictionary Management, Database Access Languages, Data Transformation and Presentation, Data Storage Management, Multi-User Access Control, Data Integrity Management, Database Communication Interfaces, Application Programming Interfaces, and Backup and Recovery Management are just a few of the functionalities it includes. We'll go over the most typical DBMS interview queries in this post to help you be ready for meetings with major MNCs. Keys, constraints, functional dependencies, normalization, transactions, joins, and SQL queries are ... Read More

Commonly asked DBMS interview questions for intermediate and advance level Database Engineers

Hardik Gupta
Updated on 26-Apr-2023 16:55:05

227 Views

1)What are the different types of constraints in a database and how are they used? Rules that limit the values that may be added to a table are known as constraints in databases. A database may have primary key constraints, foreign key constraints, unique constraints, check constraints, and not null constraints, among other sorts of restrictions. Foreign key constraints ensure that the values in a field match those in another table, whereas primary key constraints guarantee that each row in a table is distinct. While check constraints ensure that values in field match specific requirements, unique constraints guarantee that each ... Read More

Error Detection Code-Checksum

Pranavnath
Updated on 26-Apr-2023 14:44:10

2K+ Views

In the networking system, when one transmits the data it is very obvious that factors like interference, noise, and other disturbances can add to the transmitted signal which causes data corruption and it may lead to significant problems like mishearing, wrong interpretation therefore it is very important to make sure that transmitted data should be reliable, noise-free. To avoid above mentioned critical problem some techniques are there called error detection codes like CRC (Cycle redundancy check), Checksum which we are going to discuss in this article these error detection codes are added to the header of the data packet and ... Read More

How to Use Go with MySQL?

Sabid Ansari
Updated on 26-Apr-2023 11:23:06

216 Views

MySQL is a popular open-source relational database management system that is widely used in modern web applications. Go, on the other hand, is a fast and efficient programming language that is becoming increasingly popular for building web applications. In this article, we will discuss how to use Go with MySQL, including how to connect to a MySQL database and how to perform basic CRUD operations. Installing the MySQL Driver for Go Before we can start using Go with MySQL, we need to install the MySQL driver for Go. The easiest way to do this is by using the following command ... Read More

Can we call stored procedure recursively?

Jay Singh
Updated on 25-Apr-2023 12:11:45

3K+ Views

In every database management system, stored procedures are a crucial component. Database programming is made more effective and manageable by its ability to encapsulate intricate SQL queries and business logic into reusable code blocks. But have you ever wondered if a saved process may be called repeatedly? This blog article will examine this query and go into the technicalities of recursive stored procedures. What is Recursion? Recursion is a programming method where a function or process invokes itself either directly or indirectly. Problems that may be divided into smaller, identical sub-problems are frequently solved using this method. Programmers can develop ... Read More

Difference between Rows and Columns

Pradeep Kumar
Updated on 21-Apr-2023 12:27:20

784 Views

There is a huge amount of data being generated in our day to day lives. This data needs to be stored and accessed whenever it is needed. Data is stored in the form of tables or spreadsheets. A table is a collection of rows and columns. A row represents the horizontal part of data while column represents the vertical part of the data. What are Rows? Data arranged horizontally from left to right in a sequence is known as a row. This data can be numbers or words. Data is present in the form of a straight line from left ... Read More

Cloud Basics: Intro To DB Migrations

Devang Delvadiya
Updated on 21-Apr-2023 10:48:40

95 Views

Data migrations are the procedures to transfer information from one database to another. It must be an integral component of any strategy, including cloud migration. Database migrations become more crucial as firms transfer their functions to the cloud. Because it is designed to be scaled up and adjusted as required, the cloud is an excellent alternative for companies looking to improve the performance of their data management systems. In this article, we'll discuss the basics of database migrations in the cloud. What Is Cloud Migration? Cloud migration moves a company's data, apps, and other IT resources from an on-premises environment ... Read More

Different Types of Database Users

Tapas Kumar Ghosh
Updated on 20-Apr-2023 12:10:48

26K+ Views

Database users interact with data to update, read and modify the given information on a daily basis. There are various types of database users and we will learn in detail about them. Database users can be divided into the following types − End Users Naive users / Parametric users Sophisticated users Application Programmer or Specialized users or Back-End Developer System Analyst Database Administrator (DBA) Temporary Users or Casual Users These users can access the database and recover the data using various applications. Let’s have a quick understanding of all the types in detail − ... Read More

8 Best MySQLMariaDB GUI Tools for Linux Administrators

Satish Kumar
Updated on 20-Apr-2023 10:26:54

811 Views

MySQL and MariaDB are two of most popular open-source relational database management systems (RDBMS) used by businesses and organizations around world. As a Linux administrator, you need to have right tools to manage these databases efficiently. In this article, we'll take a look at eight best MySQL/MariaDB GUI tools for Linux administrators. phpMyAdmin phpMyAdmin is a web-based MySQL/MariaDB GUI tool that allows you to manage databases, tables, and other database objects. It provides a simple and user-friendly interface that makes it easy to manage your databases. With phpMyAdmin, you can perform tasks like creating, deleting, and modifying databases, tables, and ... Read More

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