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SQL Fiddle: The Best Resource to Practice SQL

by JanBaskTraining - May 06, 2019 - sql Training Academic

Learning how to write effective SQL queries is tough especially if you have a tight budget and finding decent resources to help you in practicing SQL online that can cover a wide range of topics is even more difficult.


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What is the Substring Function in the SQL? Example of SQL Server Substring

by JanBaskTraining - Mar 27, 2019 - SQL

The process of data refactoring is common and vital in data mining operations. The SQL string functions are considered most suitable for data wrangling with the SQL server.



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Difference Between Clustered and Non-Clustered Index in the SQL

by JanBaskTraining - Mar 22, 2019 - SQL

Indexes are used to fasten the query process in the SQL server that results in high performance. They are quite similar to the textbook indexes. In a textbook, to open a particular chapter or topic, you first go to the index, and find the name of chapter or topic then jump to the desired page directly.

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What is a CASE Statement in the SQL?

by JanBaskTraining - Mar 07, 2019 - SQL

Control statement is the heart of the most programming languages as they control the execution of a set of statements. These control statements are available in the SQL as well and generally exploited for query filtration and query optimization through careful selection of tuples that match your requirements. In this blog post, we will explore the

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How to Use SQL with Python?

by JanBaskTraining - Feb 27, 2019 - SQL Python

A DBMS or Database Management System is a product for interaction among clients and databases. These clients are not really human clients, yet could be projects or applications. This is when SQL comes in. SQL is a query language and is exceptionally famous in databases. It permits a python program to interface with a database to perform querying ac

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What Is The Difference Between Tables And Views In SQL?

by JanBaskTraining - Feb 19, 2019 - SQL

SQL server skills are in very high demand these days. All the companies are moving to a database environment where they can efficiently store, manage and retrieve their data appropriately.


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What is Primary Key in SQL? How to Add, Remove, Or Set Primary Key

by JanBaskTraining - Aug 30, 2018 - SQL

A Primary Key is a special column in the relational database table that is dedicated to identifying records within a table uniquely. In other words, a single column or a set of columns that uniquely identifies each row in the table is called the Primary key or generally abbreviated as PK in the SQL.

Before you add a primary key to the database, yo

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