The term SQL optimization is constantly linked with database management. It becomes more significant when a miniature change can lead to a dramatic change in performance when large-sized data are considered. The want for SQL-certified professionals never descends and the income offered too improves successively.
The career with the help of SQL database ensures a safe and sound career when a beginner is concerned. It helps an individual to develop communication with any database. To pick from hundreds of courses out there can be a tiring process, so a selected list is provided for you to choose according to your needs.
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1. SQL for Non-Programmers by Linkedin Learning
If you are stuck and confused to select what to learn about SQL, this beginner’s course about the fundamental concepts of relational database design would help to explain the way to write simple SELECT statements using joins and proper filtering. The tutor explains about SQL Server and its specific uses; the relativity of tables in a relational database through replacement, chief and extraneous keys; the handling and solving the most basic inquiry; the application of AND and OR logic to filtering inquiries on more than one data point; and about the INNER and OUTER joins. She also discusses the subqueries for result filtration; and walks through some of the common examples of built-in functions. The course is concluded with aggregate functions working utilizing the GROUP BY and HAVING clauses. Even if the way of giving instructions to the system is similar to the writing of SQL queries, and resembles programming; an application cannot be built with SQL as we do with Python or Java.
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2. Step By Step Practical Oracle SQL with Real Life Exercises by Udemy
The course is a detailed version of the whys and whats of Oracle SQL concepts and deals with real-life situations. The whole of the software world is extended throughout with relational databases. To learn SQL means that you become competitive in the career market. This course is precisely for Oracle SQL, even though SQL is a typical format used for further relational databases correspondingly. So, it can be customized for other databases too which are specific. The course is rendered through video lectures. The basics of Oracle SQL are delivered along with the most important gradations. Not only the concepts but also their uses to apply in real-life situations are also done. The exercises provided with the lessons come with answers and explanations and it differs in its complication, making it intricate for beginners. Most of the questions are designed to help deal with real-life situations making you use the practical reasoning skills developed during the course.
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3. Introduction to Structured Query Language (SQL) by Coursera
The course goes along teaching the areas such as; installing a text editor, XAMPP or MAMP, creation of a MySQL database. Certain other topics such as single table queries and the basic syntax of the SQL language, database design with multiple tables, foreign keys, and the JOIN operation. Finally, the course completes with the building to model many-to-many relationships like those needed to represent users, roles, and courses. Structured Query Language, which is a programming language is used to communicate with relational databases. Keeping away the criticizers of the course, SQL has developed into the standard language for querying and manipulating data stockpiled in a relational database.
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4. Databases: Advanced Topics in SQL by EdX
This wide-ranging comprehensive course falls into one among the five courses which are self-paced based on the topic of Databases. Since they are online courses, the learners are also at ease to learn the desired one. The topics included are indexes, transactions, constraints, triggers, views, and authorization, all in the context of relational database systems and the SQL language. The major concepts upon which the course is based in Databases: Relational Databases and SQL and suits those learners who are looking forward to improving their understanding of using relational databases.
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5. Learn SQL by Codecademy
The world is a data-driven one and people are in search of data to find insights to getting informed regarding strategy, marketing, operations, and a collection of categories. Certain business activities use large, relational databases, that help to develop a basic understanding of SQL into a great employable skill for data scientists. The learner can assure to be able to communicate with relational databases using SQL. The learning practice is with 4 projects about manipulating data and building queries that communicate with more than one table.
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6. Introduction to SQL by Codefinity
SQL (Structured Query Language) is the most generally used language to link with databases and abstract data for application development, reporting, and analytics. The specified course introduces the aspirant to SQL language, helping the learner to apply the foundational knowledge of the SQL language giving the skills needed to question and analyze data from relational databases. The skills developed by the course help the learners undertaking data mining or application development. The main skills imparted include; the development of queries in SQL to read data stored in a database, using SQL commands to filter data and to sort data, aggregate data, and using built-in functions. It is being of help for a technical interview, work with data, data mining, business analysts, and application development.
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7. Data Analytics Course: Singapore by General Assembly
Attach yourself to handle Excel, SQL, and Tableau in order to drive powerful analysis and insights. It also helps to develop confidence and integrity to spread over this adaptable skill established to use in limitless careers. The analytics advisory board curates the fine practices and new teaching approaches of the complete expert network to cope with the growing company demands. It is designed keeping the real-world application and relevance in mind with the most crucial tools for performing data analysis pertaining to any related jobs. The topics of the data analytics process are collection, cleaning, analysis, and visualization. Hands-on experience in Excel, SQL, and Tableau is achieved along with transforming data into a serious decision-making tool. The course is aimed at students who are from a variety of professional backdrops and levels of knowledge and practice which can even include beginners.
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8. Master’s in Data Science Program Online by Intellipaat.com
SQL is an influential tool for interacting with database management systems. The training program in SQL is pointed at those who are interested to take up the course and are complete beginners. SQL is used to interconnect with a database. It is the standard language for relational database management systems as per ANSI (American National Standards Institute). SQL statements are used to accomplish tasks such as bring up-to-date data on a database or recover data from a database. The basics of databases are introduced herewith, followed by DBMS and later moving on to the advanced level of SQL from rudiments along with the hands-on demo and proposed interview questions. The tutorial video is a ‘must watch’ one for all out there planning to learn SQL and trying to find a career out of it. the time allotted is 16 hours where the course is led by an expert hand in the field and is moving forward as per the association with standards and certification bodies.
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9. Intro To Sql: Querying And Managing Data by Khan Academy
SQL (Structured Query Language) is a homogenous programming language used to accomplish relational databases and execute countless operations on the data in them. The SQL language is an easy-to-use one and has practical real-life applications. The advantage is that, even if you are a person with zero background regarding technology, then getting a firm grip on the fundamentals of the language can be achieved. Since the syntax used by SQL is very much similar to English, it makes the knowledge curvature smooth. The course teaches the uses of SQL for storing, inquiring, and manipulating data. It is a special kind of programming language designed for managing data in a relational database and is used by a massive number of apps and organizations. A world-class standard is maintained in the free education setup that can be taken up from wherever required. The United States is also included in the available country list.
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10. SQL and Relational Databases 101 by CognitiveClass.ai
The course is powered by the IG data university ad dives into the world of SQL and relational databases. In a very short timeline, SQL basics are discussed along with the varied aspects of the relational database model. A hands-on guide is also provided in the first steps of learning before jumping deep into SQL and relational databases. Several of the query solving related to big data such as their handling, main interest in big data, and its acting platform. The course accentuates that studying Big Data to gain insight that will be used to get people throughout the enterprise helps to run the business better and aids in providing better service to customers. Big Data should always be administered in a stage that can lever the variety, velocity, and volume of data with the help of a family of components that necessitates integration and data governance.
