A Boolean variable is a variable that can only hold values “true” or “false” (or even “null”, in SQL). In most cases, it represents whether a certain attribute can be set. Table of contents 1. what is flag in sql? 2. what is flag in database? 3. what is flag data type? 4. what is […]
Anomaly is a deviation from the expected behavior or pattern. In database, an anomaly is an inconsistency in the database that can cause data integrity problems. For example, a deletion anomaly is an inconsistency that can occur when data is deleted from the database. A insertion anomaly is an inconsistency that can occur when data […]
There are many different databases that can be used in conjunction with React, so it can be difficult to choose which one to use. However, some of the most popular databases used with React include MongoDB, MySQL, and PostgreSQL. Each of these databases has its own benefits and drawbacks, so it is important to choose […]
With the pandemic going on, online learning became the “new norm” for students all over the world. School institutions use different platforms to administer online classes to students. Google Classroom is one of those famous platforms that are widely used nowadays. Educators use different tactics to help students get through remote learning successfully. And amongst […]
In computing, read and write are two basic operations that are performed on data stored in a database. Read is an operation that retrieves data from the database, while write is an operation that inserts, updates or deletes data in the database. Both read and write operations are essential for any database-driven application. In fact, […]
A specialized database is a collection of information that focuses on a particular field of study. In order to make it easier for users to locate and retrieve information or data, it is arranged or indexed. Table of contents 1. what are specialized databases give examples? 2. what is the difference between a general database […]
Anomalies in databases can be defined as unexpected or incorrect data that does not conform to the expected values. This can occur for a variety of reasons, such as human error, faulty hardware, or software bugs. Anomalies can lead to incorrect results when querying the database, and can be difficult to detect and fix. Annomalies […]
A database approach in DBMS is a system where data is organized into tables and fields that can be accessed by computers. This system allows for easy retrieval and manipulation of data. The main advantage of using a database approach is that it can be used to store a large amount of data in an […]
MGMTDB is a database built into the Grid Infrastructure Management Repository (GIMR) to store data. Cluster Health Monitor (also known as Cluster OS or Cluster Health Monitor) is one of the features of this repository. Table of contents 1. what is mgmtdb? 2. what is mgmtdb in oracle 19c? 3. how do i uninstall mgmtdb? […]
An AS400 database is a database that is designed to be used on the AS400 platform. This type of database is typically used by businesses that need to store and manage large amounts of data. The AS400 database is a powerful tool that can help businesses to keep track of their customers, inventory, and other […]