Month: January 2022

What Is Query Decomposition In Distributed Database?

As the name suggests, query decomposition is the process of breaking down a query into smaller sub-queries that can be executed in parallel on a distributed database. This technique can be used to improve the performance of a query by reducing the amount of data that needs to be exchanged between the nodes in the […]

What Is Primary Key And Secondary Key In Database?

Primary keys are the keys that are used to identify a record in a database by uniquely identifying its field. Secondary keys can be used in addition to primary keys to locate specific data, such as alternate keys. Table of contents what is a secondary key in a database? what is the difference between primary […]

What Is Normalization In Database With Example Pdf?

Normalization is the process of organizing data in a database. This includes creating tables and columns, and ensuring that there are no duplicate pieces of data. Normalization also ensures that data is consistent and accurate. For example, imagine a database that contains information about students in a school. This database might have a table for […]

What Is My Mysql Database Server Name?

Answers to three questions. The localhost should be the server you are connecting to a database on. The FQDN of the remote server (or the IP address) should be dbhost.lan, for example, if you are connecting to a remote server. company. com “. Table of contents how do i find my database server name? how […]

What Is Meant By Data Inconsistency In A Database?

Inconsistency is the result of multiple tables within a database that deal with the same data, but may receive it from different sources. Data redundancy is generally compounded by the fact that the data is stored in multiple tables. Table of contents what is data inconsistency explain with example? what causes inconsistency in database? what […]

What Is Jdownloader 2 Premium Database?

The JDownloader software allows batch downloads without user input, as it supports “waiting time” and “captcha recognition” on many file hosting sites. The download speed of most files is increased when multiple connections are used by premium users of one-click-host sites. Table of contents can jdownloader download premium? does jdownloader 2 have malware? how can […]

What Is File Based Approach Of Database?

A file-based approach to databases involves the storage of data in files. The files are then accessed by programs that use the data. This approach is simple and easy to use, but it has several disadvantages. The main disadvantage of a file-based approach is that it is not very scalable. If the database needs to […]

What Is Evolution Of Database Management System?

A database management system (DBMS) is a software program that stores, retrieves and modifies data in a database. A DBMS typically provides a way to query the database, as well as provide ways to add, delete or change data in the database. The evolution of DBMS can be traced back to the early days of […]

What Is Difference Between Container Database And Pluggable Database?

A container database (CDB) is a multi-tenant database in which each customer has their own private database called a pluggable database (PDB). A CDB includes a shared container that stores metadata and system data for all of the PDBs. A PDB is a portable collection of schemas, objects, and data that appears to an application […]