Category Archives: What I learned today

Error – Hung Docker

Sometime when you not actively working on Docker and on you are not actively working on the system. it could be possible that Docker services goes into hung State and you will get an error as follows: Starting containers fails … Continue reading

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MongoDB – Basic Commands

We discussed about MongoDb installation and startup. I highly recommend to go though the training session which will provide a detail training about MongoDB. I learned mongoDB and is my Reference for blogging. Today we will discuss some of the basic … Continue reading

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MongoDB – Basic

MongoDB is a great Database NOSQL and easy to use and learn. if you know java scripting and database concept you can learn MongoDB. Surprisingly  realize that I have not written much about MongoDB so started writing on this very powerful … Continue reading

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SQL Server on Docker

Started working on Docker and contains Install Docker on the system – please make a note that for windows 10 Home it does not support(we have to use Docker Toll Box for it). please make sure to use Windows 10 … Continue reading

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MySQL 8.0 and NDB 7.6

Oracle announced MySQL ndb Cluster 7.6 : in June 2018. Oracle Announces General Availability of MySQL Cluster 7.6 – June 2018 Oracle also announced MySQL 8.0 latest version of MySQL in Oracle Announces General Availability of MySQL 8.0 – April 19, 2018. … Continue reading

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What is MemSQL

yeah, MemSQL for me its a combination of RDBMS and NOSQL and more of flexibility of both per our choice, most of the RDBMS going with such concept. NOSQL is compromise with ACID property and flexible for developers it has … Continue reading

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New – News on Database System

This month i will try to write whats new going on in the market, as i could see many new things are coming, new releases new concepts. things are change with respective with data and database technologies. its getting interesting … Continue reading

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Day 25 Optimization

Locking is depends upon Isolation level and Storage Engine. MySQL uses table level locking (instead of page, row, or column locking) for all storage engines except InnoDB, which uses row level locking locking system in MySQL: Implicit Locking: To maintain the … Continue reading

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Day 24 Replication Setup

Today we will discuss how setup a replication: Master – Slave Replication: Requirement: 2 (Linux) System (MasterServer and SlaveServer) MySQL Installed Connection to both servers are accessible. On Master Server: Edit my.cnf with following information: [mysqld] Log-Bin =MySQL_Binlog Server_ID=1 Create … Continue reading

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Day 23 Replication

Replication means making copy of the objects and moving transaction from primary server to secondary/standby/Slave server. There are two type of Replication Master-Master Replication Master-Slave Replication Like other RDBMS MySQL works replication on Transactions. The pre requisite of replication is … Continue reading

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