Knoldus Blogs

How MarkLogic Server is used in different industries

September 27, 2022October 20, 2022JavaDatabase, marklogic

Reading Time: 3 minutes I will be walking through some of the cases studies and industry use cases that are being talked about in the official MarkLogic Solutions – https://www.marklogic.com/solutions/ MarkLogic Server currently operates in a variety of industries. Although the data retracted and extracted from MarkLogic differs in each sector, many customers have similar data management issues. Common issues include: Low cost Accurate and efficient search Enterprise-grade features Continue Reading

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How to connect the Spring data to Marklogic

September 27, 2022October 25, 2022JavaDatabase, marklogic

Reading Time: 2 minutes Implementation Spring Data MarkLogic : An implementation of the Spring Data MarkLogic NoSQL database that supports the following features: Spring configuration support using Java-based @Configuration classes MarkLogicTemplate helper class for common MarkLogic operations. Integrated object mapping between documents and POJOs (using Jackson by Default). Exception translation into Spring’s portable Data Access Exception hierarchy Automatic implementation of Repository interfaces including support for custom finder methods. How Continue Reading

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Big Query DML Statements Technique: A small Guide

August 8, 2022August 10, 2022AI, Big Data and Fast Data, Database, GCP, ML, AI and Data Engineeringbig query, Database

Reading Time: 3 minutes In this blog we are going to learn about some of the key Big Query DML statements. Data plays an integral part in any organisation. With the data-driven nature of modern organisations, almost all businesses and their technological decisions are based on the available data. Let’s assume that we have an application distributed across multiple servers in different regions of a cloud service provider, and Continue Reading

How to install MarkLogic in Ubuntu and start MarkLogic Server

August 4, 2022August 5, 2022Database, Java, MarkLogic, NoSqlDatabase, java, linux, marklogic, NoSql Database, programming, technology

Reading Time: 3 minutes Install MarkLogic(10.0-9.4) in Ubuntu 20.04.4 : Mark-Logic Server is an Enterprise NoSQL database. It is a document-centric, transactional, search-centric, structure-aware, schema-agnostic, XQuery- and JavaScript-driven, high-performance, clustered, database server. It is an enterprise-class NoSQL database that includes a REST-enabled full-text search feature. You can use it to store, search, and query massive amounts of data and represent documents having various formats. It also exposes its core Continue Reading

Event Sourcing with KALIX

July 19, 2022July 22, 2022Studio-Scala#Services, API, Cloud-Native, Database, development, ES, event, Gateway, Kalix, PaaS

Reading Time: 6 minutes As we all know, Event Sourcing is a practical approach to design a service that reliably/atomically updates the database and transmits messages/events. But before I tell you how to do it with KALIX, let me give you a little overview of KALIX. Kalix Introduction Kalix is a considerable improvement over the existing serverless model in terms of abstraction of complexity. As it provides a unifying Continue Reading

Dataframe and Datasets: Apache Spark’s Developers Friendly Structured APIs

June 13, 2022June 15, 2022Studio-Scalaapache, Apache Spark, API, Big Data, CSV, Database, DataFrame, dataframes, scala, Spark, technology

Reading Time: 4 minutes This is a two-part blogs in which first we’ll be covering Dataframe API and in the second part Datasets. Spark 2.x introduced the concept of structuring the spark by introducing two concepts: – to express some computation by using common patterns found in data analysis, such as filtering, selecting, counting, aggregating, and grouping. And the second one of order and structure your data in a Continue Reading

How To Create And Insert Data In Postgre Hstore

June 6, 2022June 9, 2022Studio-ScalaDatabase, database management system, dbms, hstore, Postgre, postgre datatype, postgre hstore, postgreSQL, rdbms, sql, Tech blog, technology

Reading Time: 2 minutes Postgre without a doubt is one of the most popular databases in the market. The reason behind this is PostgreSQL’s speed, security, and robustness. PostgreSQL isn’t just a relational database. PostgreSQL invented many post-relational concepts like in-database functions and user-defined datatypes. Other than that it has many amazing features like Hstore. Now, this blog is for you if you want to know about PostgreSQL Hstore. Continue Reading

How to integrate Liquibase into your application

May 25, 2022May 25, 2022Studio-DevOpsDatabase, Devops, liquibase

Reading Time: 4 minutes Introduction Hi everyone! Today we’ll be discussing about how you can integrate Liquibase into your application so that it automatically updates your database. That is especially interesting when you build smaller applications that don’t run in a highly regulated enterprise environment. In these situations, it’s often not possible to run the update process yourself. And there might be no operations team which executes the SQL Continue Reading

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Liquibase : Getting started with Version Based Database Migration

May 18, 2022May 18, 2022Studio-DevOpsData Migration, Database, Devops, liquibase, Migration

Reading Time: 6 minutes Hi everyone, today in this blog we are going to talk about version-based database migration With Liquibase. Introduction Creating the database for your application seems to be easy. As long as you don’t need to support multiple versions or work in a huge team. You just generate an SQL script from your database model. Or in the worst case, export the required statements from your Continue Reading

Pentaho Database Connection

March 22, 2022March 22, 2022Pentaho, Pentaho Data IntegrationDatabase, Pentaho data integration

Reading Time: 3 minutes If you want to work with a database, either read, write, view data, etc, in Pentaho the first thing you will have to do is to create a connection with that database. This blog will teach you how to do this. So, let’s start. Getting ready In order to set up the connection, you will require to know the connection settings. At least you will need Continue Reading

PostgreSQL OR APACHE CASSANDRA: WHICH ONE IS THE BETTER OPTION

February 14, 2022February 14, 2022Cassandra, Database, NoSql, SQL, Tech Blogsapache cassandra, Cassandra, CASSANDRA DATABASE, Cassandra vs PostgreSQL, Column Orientation Database, Database, databases, Distributed Database, NoSql Database, postgreSQL, PostgreSQL vs Cassandra, sql

Reading Time: 3 minutes We are living in the 20th century the century of technologies. Because of this, we come across a lot of data in our daily life. So it is important for us to have a database that can help in maintaining a huge amount of data. Now we have many popular databases in the market like PostgreSQL, Cassandra, MySQL MongoDB, and many more. But the question Continue Reading

Introduction to DBMS

December 17, 2021December 17, 2021Databaseconcept, Database, dbms

Reading Time: 4 minutes A database is a collection of related data and data is a collection of facts and figures that can be processed to produce information. Mostly data represents recordable facts. Data aids in producing information, which is based on facts. Now let us know about the DBMS which stands for the Database management system. DBMS is software for sorting and retrieving user data by considering appropriate security Continue Reading

Getting Started – Spring Boot with MongoDB

June 30, 2021June 30, 2021spring bootapplication, Database, MongoDB, mongoDB crud, Spring, spring boot application, springboot

Reading Time: 6 minutes Spring Boot with MongoDB Topics to cover in Spring Boot and MongoDB In this blog we are going to see the beginning basics of what Spring Boot is? Ways to create Spring Boot Application? What is MongoDB? How to install MongoDB in Ubuntu? How to connect Spring Boot with MongoDB in Ubuntu? Let’s dive right in… What is Spring Boot? Spring Boot is a module Continue Reading