online learning, blog, anil singh

Tag Archive: do it yourself

Apr 09

MongoDB Basics Primer Series - Step 4 (Indexes)

Fig. 1. Loaded Sample Data

Objective: Make your queries run faster on MongoDB by introducing indexes. Prerequisite: MongoDB Basics Primer Series - Step 1, Step 2, Step 3.   As promised in Step 3 of this series, this step will take you through Indexing in MongoDB. The index concepts in MongoDB are very similar to any other conventional RDBMS database that you might have …

Continue reading »

EmailWhatsAppTwitterLinkedInGoogle+FacebookShare

Mar 15

How I multiply my Dracaena Fragrans Victoriae

20160313_01

 come Spring, the plant lovers cannot desist from the opportunity of multiplying their existing plant stock especially the ones that can be vegetatively propagated through stem cuttings. The success rate is the highest during the spring owing to better vascular movement. I'm an ardent gardener myself. My first encounter with Dracaena Fragrans Victoriae (DFV) a.k.a. …

Continue reading »

Mar 11

Neo4j Basics Primer Series - Step 2

20160310_AllNodes

  Objective: Learn graph database concepts and the first dive into Cypher. Prerequisite: Neo4j Basics Primer Series - Step 1   A Graph database i.e. Neo4j is based on Graph Theory which talks about Graph as a set of Edges and Vertices. These Vertices and Edges are Nodes and Relationships respectively in Neo4j. The Relationships connect the …

Continue reading »

Feb 29

MongoDB Basics Primer Series - Step 3

20160227_01

Objective: Get familiar with Aggregation Framework in MongoDB. Prerequisite: MongoDB Basics Primer Series - Step 1, MongoDB Basics Primer Series - Step 2   I hope your journey thus far has been smooth and CRUD operations on MongoDB do not unsettle you any more. Now it is time to learn 'GROUP BY' a.k.a Aggregation Pipeline in MongoDB. "Aggregation Pipeline" is analogus …

Continue reading »

Feb 21

Neo4j Basics Primer Series - Step 1

01_Browser

Objective: Setup Neo4j on your workstation. Prerequisite: Hunger to learn.   Google, Facebook, Twitter, LinkedIn......are an important part of our lives today. Ever thought of the database  on which these applications run? Some aspects, if not all, of these applications run on proprietary GRAPH database technologies.  How about doing a hands on one such database technology, …

Continue reading »

Feb 15

MongoDB Basics Primer Series - Step 2

1

Objective: First dive into the MongoDB CRUD operations and know third-party tools to connect to MongoDB.   Prerequisite: MongoDB Basics Primer Series - Step 1   I hope your previous run through of Step 1 of this series was smooth. Now that you have set up the environment yourself and done some tinkering, you must be …

Continue reading »

Feb 10

MongoDB Basics Primer Series - Step 1

  This primer series on MongoDB is aimed to be an authoritative, step-by-step reference guide for a non-starter who wishes to embark on the journey to learn MongoDB, the most popular NoSQL database on this day, according to www.db-engines.com. Learning a popular technology also ensures that you cement your relevance in the job market, isn't it …

Continue reading »