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MongoDB – Advantages

Post author:B D
Post published:August 20, 2021
Post category:MongoDB
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Any relational database has a typical schema design that shows a number of tables and the relationship between these tables. While in MongoDB, there is no concept of relationship. Advantages…

MySQLi – Using Joins

Post author:K Z
Post published:August 20, 2021
Post category:MySQLi
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This is good enough for simple takes, but in most of the real world MySQL usages, you will often need to get data from multiple tables in a single query.…

MongoDB – Overview

Post author:B D
Post published:August 20, 2021
Post category:MongoDB
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MongoDB is a cross-platform, document-oriented database that provides, high performance, high availability, and easy scalability. MongoDB works on the concept of collection and document. Database The database is a physical…

XQuery – avg Function

Post author:k A
Post published:August 20, 2021
Post category:XQuery
Post comments:1 Comment

The avg function is used to get the average of total items present in a sequence. Syntax avg($seq as item()*) Input Parameters $seq − provided sequence. A sequence can contain 0 or more…

MongoDB

Post author:B D
Post published:August 20, 2021
Post category:MongoDB
Post comments:2 Comments

MongoDB is an open-source document database and leading NoSQL database. MongoDB is written in C++. This tutorial will give you a great understanding of MongoDB concepts needed to create and…

XQuery – sum Function

Post author:k A
Post published:August 20, 2021
Post category:XQuery
Post comments:1 Comment

The sum function is used to get the sum of total items present in a sequence. Syntax sum($seq as item()*) Input Parameters $seq − provided sequence. Sequence can contain 0 or more items.…

XQuery – count Function

Post author:k A
Post published:August 20, 2021
Post category:XQuery
Post comments:1 Comment

The count function is used to count the total items present in a sequence. Syntax count($seq as item()*) Input Parameters $seq − provided sequence. Sequence can contain 0 or more items. Example XQuery…

XQuery – Sequence Functions

Post author:k A
Post published:August 20, 2021
Post category:XQuery
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The following table lists the commonly used sequence functions provided by XQuery. Sr.NoName & Description1count Function Counts the items in a sequence.2sum Function Returns the sum of the items in…

XQuery – Sequences

Post author:k A
Post published:August 20, 2021
Post category:XQuery
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Sequences represent an ordered collection of items where items can be of similar or of different types. Creating a Sequence Sequences are created using parenthesis with strings inside quotes or…

MySQLi – Sorting Results

Post author:K Z
Post published:August 20, 2021
Post category:MySQLi
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We have seen the SQL SELECT command to fetch data from a MySQL table. When you select rows, the MySQL server is free to return them in any order, unless you instruct…