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How to Install Maria DB, create Database and Execute Queries

Hello Friends, In this tutorial,we will see : 1. How to Install Maria DB2. How to connect to Maria DB,Create Database and Execute Queries 1. How to Install Maria DB 1.1 Go to following link and click on “Download 10.4.12 Stable Now!” button.As of writing this post,latest stable release of Maria DB is 10.4.12.Please check for latest stable release when you  ...

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Apache Derby Database JVM Security Policy

java-interview-questions-answers

Abstract I have already posted a number of blogs about Derby: Derby Database BackupMultiple Derby Network Servers on the same HostApache Derby Database Users and PermissionsIntegration Testing with Maven and an In-Memory Derby Database This wasn’t intended to be a series. But over the years I’ve been using Derby more and more. I started using Derby as my database of ...

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Reactive Relational Database Transactions

spring-interview-questions-answers

Spring Framework announced recently to ship with support for reactive transaction management.Let’s take an in-depth look at how this works for R2DBC, the reactive specification for SQL database access. Transaction Management is a pattern and not technology-specific. From that perspective, its properties and runtime behavior are a function of the implementing technology. TL; DR: From a database perspective, imperative and ...

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NoSql Databases: Cassandra vs Mongo vs Redis DB Comparison

java-interview-questions-answers

1. What are NoSql Databases? NoSql (Not only Sql) databases are non-relational databases that are horizontally scalable, persist semi or unstructured data and have flexible schemas. These databases support multiple data models such as key-value, document, column-family, graph based, in-memory etc. for managing and accessing data. NoSql databases are best suited for building modern applications, which require large data and ...

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Understanding H2 InMemory Database with Spring Boot

spring-interview-questions-answers

Introduction Basically the database setup involves several steps before we can use it through configured datasource in our application. This actually is required in case of actual project implementations. However, there are situations where we just need a POC to be done for something, and the whole database setup thing still becomes an obligation. Similarly, for unit tests, it would ...

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Derby Database Backup

java-interview-questions-answers

Abstract I have already posted a number of blogs about Derby: Multiple Derby Network Servers on the same Host Apache Derby Database Users and Permissions Integration Testing with Maven and an In-Memory Derby Database This wasn’t intended to be a series. But over the years I’ve been using Derby more and more. Recently, I started using Derby as my database ...

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Java: GraalVM Database Stream Performance

GraalVM is the new kid on the JVM block. It is an open-source Virtual Machine that is able to run many programming languages, such as Java, Rust and JavaScript, at the same time. GraalVM has also a new internal code optimizer pipeline that can improve performance significantly compared to other JVMs under some conditions. Learn how to reap the benefits ...

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