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2. SQL - Wikipedia

   en.wikipedia.org/wiki/SQL

   SQL is designed for a specific purpose: to query data contained in a relational database. SQL is a set-based, declarative programming language, not an imperative programming language like C or BASIC. However, extensions to Standard SQL add procedural programming language functionality, such as control-of-flow constructs.

3. Python (programming language) - Wikipedia

   en.wikipedia.org/wiki/Python_(programming_language)

   Design philosophy and features. Python is a multi-paradigm programming language. Object-oriented programming and structured programming are fully supported, and many of their features support functional programming and aspect-oriented programming (including metaprogramming [69] and metaobjects ). [70]

4. Join (SQL) - Wikipedia

   en.wikipedia.org/wiki/Join_(SQL)

   Join (SQL) A Venn diagram representing the full join SQL statement between tables A and B. A join clause in the Structured Query Language ( SQL) combines columns from one or more tables into a new table. The operation corresponds to a join operation in relational algebra. Informally, a join stitches two tables and puts on the same row records ...

5. SQL syntax - Wikipedia

   en.wikipedia.org/wiki/SQL_syntax

   SQL syntax. The syntax of the SQL programming language is defined and maintained by ISO/IEC SC 32 as part of ISO/IEC 9075. This standard is not freely available. Despite the existence of the standard, SQL code is not completely portable among different database systems without adjustments.

6. Learn the basics of SQL with this beginner-friendly ... - AOL

   www.aol.com/learn-basics-sql-beginner-friendly...

   TL;DR: The Complete 2021 SQL Master Class Bundle is on sale for £14.44 as of July 16, saving you 98% on list price.With seven beginner-level courses taught by the team at Skill Success, this ...

7. How to learn SQL: These are the best online courses

   www.aol.com/learn-sql-best-online-courses...

   SQL is used to communicate with databases. In fact, it's probably the language you should learn even if coding seemingly has nothing to do with your career. How to learn SQL: These are the best ...

8. Web development - Wikipedia

   en.wikipedia.org/wiki/Web_development

   Web development is the work involved in developing a website for the Internet ( World Wide Web) or an intranet (a private network). [1] Web development can range from developing a simple single static page of plain text to complex web applications, electronic businesses, and social network services. A more comprehensive list of tasks to which ...

9. NoSQL - Wikipedia

   en.wikipedia.org/wiki/NoSQL

   NoSQL. NoSQL (originally referring to "non- SQL " or "non-relational") [1] is an approach to database design that focuses on providing a mechanism for storage and retrieval of data that is modeled in means other than the tabular relations used in relational databases. Instead of the typical tabular structure of a relational database, NoSQL ...