24th January 2022

SQL Query writing: Best practices

XpertLab – Website Development Company in Junagadh Writing effective queries on a RDBMS is something we develop from regular practice of query writing. We discuss here about the SQL RDBMS and some best practices in writing DML statements. It’s always recommended to have the DML statements inside a transaction. This will avoid unnoticed loss of records and occurrences of orphan records in tables. There is a practice of using multiple transactions so as more control over each statement is possible. There is also possibility in placing the db operation queries in transaction with front end technologies too. So such practices […]
14th July 2020

Database Mirroring

IT Training Company IT Training Company Database mirroring is a solution for increasing the availability of a SQL Server database. Mirroring is implemented on a per-database basis and works only with databases that use the full recovery model. Benefits of Database Mirroring Database mirroring is a simple strategy that offers the following benefits: IT Training Company IT Training Company Increases availability of a database.In the event of a disaster, in high-safety mode with automatic failover, failover quickly brings the standby copy of the database online (without data loss). In the other operating modes, the database administrator has the alternative of forcing […]
10th February 2020

SQL Optimization Techniques

Android Development Company Junagadh Android Development Company Junagadh SQL optimization techniques have always been a popular topic in database management. SQL database optimization techniques can be an extremely difficult task, in particular for large-scale data wherever a minute variation can result or impact drastically on the performance. Although SQL programming looks easy to learn and the commands used don’t point to an algorithm that retrieves data, its straightforwardness, however, takes it in a deceptive manner. In this SQL optimization techniques article, I will be sharing some of the best SQL optimization techniques with my readers. They are as follows: The Execution […]
30th January 2020

NoSQL Database

Professional It Company Junagadh Professional It Company Junagadh Professional It Company Junagadh What is NoSQL? A NoSQL (often interpreted as Not only SQL) database provides a mechanism for storage and retrieval of data that is modeled in means other than the tabular relations used in relational databases. Motivations for this approach include simplicity of design, horizontal scaling, and finer control over availability. Why NoSQL? NoSQL databases first started out as in-house solutions to real problems in companies such as Amazon Dynamo, Google and others. These companies found that SQL didn’t meet their requirements. In particular, these companies faced three primary issues: unprecedented transaction volumes, expectations of low-latency access to massive […]
2nd February 2016

Learn SQL Joins Easily

What is SQL Join? An SQL be a part of clause combines columns from one or additional tables during a relational database. It creates a set which will be saved as a table or used because it is. A SQL join could be a means that for combining columns from one (self-join) or additional tables by using values common to every. ANSI-standard SQL specifies 5 forms of JOIN: INNER, LEFT OUTER, RIGHT OUTER, FULL OUTER and CROSS. As a special case, a table (base table, view, or joined table) will join to itself during a self-join Learn SQL Joins Easily