Amrendra Patel has Published 36 Articles

Data Architecture Design & Data Management

Amrendra Patel

Amrendra Patel

Updated on 22-Aug-2023 16:45:12

331 Views

Data architecture design consists of standards which have certain rules, policies, data types to be collected, from where the data is collected, storage of data, arrangement of data, and then using that data for further analysis. Data plays a vital role in successful execution of business strategy. Data architecture ... Read More

Data anomalies in DBMS

Amrendra Patel

Amrendra Patel

Updated on 22-Aug-2023 16:37:05

5K+ Views

Anomalies means problems or inconsistency which happened during the operations performed on the table. There can be many reasons that anomaly occur for example, It occurs when data is stored multiple times unnecessarily in the database i.e. redundant data is present or it occur when all the data is stored ... Read More

Current user function in SQL

Amrendra Patel

Amrendra Patel

Updated on 22-Aug-2023 16:27:22

145 Views

It is used to return the name of the current user in sql database server. it does not accept any parameter. Syntax CURRENT_USER Current_user is the function used to get the name of current user Example 1 In this example, we are going to use the current_user function ... Read More

Creating materialised view using table definition in cassandra

Amrendra Patel

Amrendra Patel

Updated on 22-Aug-2023 16:19:18

48 Views

A materialised is defined as a database object that contains the results of a particular query. It could be called as a subset of a table. Any changes in the base table would be reflected in the materialised view. Syntax CREATE MATERIALISED VIEW view_name AS SELECT * FROM table_name ... Read More

Create, Alter & Drop schema

Amrendra Patel

Amrendra Patel

Updated on 22-Aug-2023 16:13:08

70 Views

Create a schema Schema is basically the logical representation of the database. there is a default schema named dbo. Objects gets created inside a schema when ‘create schema’ statement is used. To provide access to other user after the schema is created, we need to impersoinate permissions. Syntax:The syntax ... Read More

Create login in SQL Server

Amrendra Patel

Amrendra Patel

Updated on 22-Aug-2023 15:09:44

164 Views

A login is a security check process to authenticate the user and make their data secure. In case of SQL, we need to login to connect to the server. Creating login for the server gives a security advantage. Also, security implications are to be understood and kept in mind while ... Read More

Data Distribution in Cassandra

Amrendra Patel

Amrendra Patel

Updated on 14-Jul-2023 15:49:15

162 Views

Data distribution is done through consistent hashing to make the data evenly distributed across the nodes in a cluster. Instead of getting rows of table on a single node, rows gets distributed across the clusters which make the load of table data get evenly divided. The partition key is ... Read More

Embedded SQL, Dynamic SQL, and SQLJ

Amrendra Patel

Amrendra Patel

Updated on 14-Jul-2023 15:46:47

5K+ Views

Embedded SQL Embedded SQL is a method that combines SQL with a high−level programming language's features. It enables programmers to put SQL statements right into the source code files used to set up an application. Database operations may be carried out effortlessly by developers by adding SQL statements to the ... Read More

Disadvantages of Distributed DBMS

Amrendra Patel

Amrendra Patel

Updated on 14-Jul-2023 15:44:14

1K+ Views

Distributed DBMS A distributed database is the distribution of data to get stored at different computers or sites that are interlinked to each other by a network. It can also be defined as a database that collects data over separate databases with self−reliant computers that are connected over data communication ... Read More

Difficulties in Implementing Data Warhouse

Amrendra Patel

Amrendra Patel

Updated on 14-Jul-2023 15:34:26

61 Views

Data WarehouseA data warehouse is a type of data management system which help perform activities such as business analysis and support business intelligence. A large amount of data set is collected from different sources and analyses are performed to make quick and effective decisions by providing necessary information. It consistently ... Read More

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