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Aug 26, 2024 · MySQL is a Relational Database Management System (RDBMS) software that provides many features, which are as follows: Data Storage: Efficiently stores large amounts of data. Data Retrieval: Allows quick and easy access to data. Data Manipulation: Supports operations like inserting, updating, and deleting data.
- What is MySQL?
MySQL is an open-source relational database management...
- SQL
SQL stands for Structured Query Language. It was developed...
- MySQL
MySQL | Common MySQL Queries. MySQL server is a open-source...
- Top 50 MySQL Interview Questions
MySQL is a Free open-source Relational Database Management...
- MYSQL View
Step 2: Connect to Local Database. Add a new connection to...
- What is MySQL?
Aug 14, 2024 · Learn about MySQL, an open-source relational database management system that uses SQL for database operations. Find out its features, applications, users, and the difference between MySQL and SQL.
Aug 30, 2024 · SQL stands for Structured Query Language. It was developed by IBM Computer Scientists in the 1970s. By executing queries SQL can create, update, delete, and retrieve data in databases like MySQL, Oracle, PostgreSQL, etc. Overall, SQL is a query language that communicates with databases.
- SQL Overview
- Complete SQL Roadmap
- Day 1 to Day 6
- Day 7 to Day 12
- Day 13 to Day 18
- Day 19 to Day 24
- Day 25 to Day 30
- Practice Set
- Summing Up
Structured Query Languageor SQL is a standard database language that is used to create, maintain, destroy, update, and retrieve data from relational databases like MySQL, Oracle, SQL Server, PostgreSQL, etc. Whether you want to become a successful Data Scientist or a Business Analyst or a full-stack web developer or even a software developer, learn...
Now that we know, how much learning SQL is important or what is the significance of SQL in today’s world, we shall know how to learn SQLin a systematic way. To help you with this we have created a practical SQL roadmap of 30 days , based on a lot of study and research. This roadmap will give you a complete guideline with reference to learning and p...
Start with the basic concepts:From Day 1 to Day 6, you’ll be knowing the basic database and SQL concepts such as creating a database, SELECT Clause, etc. 1. Creating Database: This concept will make you learn how to create your own database. 2. Creating Tables and adding data: From this concept, you will learn how to create tables inside the databa...
From Day 7 to Day 12, you’ll take a step forward and learn a few advanced concepts like nested queries, wildcard operators, and other clauses. 1. WITH Clause: Understanding the concept of with clause and using it to give the sub-query block a name. 2. FETCH Clause:It will fetch the filtered data based upon certain conditions like fetching only the ...
From Day 13 to Day 18, you’ll be mainly learning the Aggregate functions in SQL. 1. DISTINCT Clause:It will select only the distinct data, not repetitive. 2. Count Function:Returns the total count of the data filtered. 3. Sum Function:Return the sum of all the data being queried. 4. Average Function:Return the average of all the data being queried....
From Day 19 to 24, you’ll be learning and practicing the Joins in SQL. It is one of the most important concepts of SQL. 1. Union Clause: Just like the mathematical union operator, this clause will make the union of the tables given. 2. Intersection Clause:It will join the two or more tables where they are intersecting. 3. Aliases: It will give an a...
Miscellaneous: Since we have covered almost all the topics, we shall now move on to some of the miscellaneous topics, concepts, and functions. These are important parts of DBMS and SQL and will surely help you in your college exams and competitive exams like GATE CS. 1. Views 2. Creating Roles 3. Constraints 4. Transactions 5. Mathematical function...
With all the learnings, we also need practice, so here we are providing some practice question sets to improve your understanding and skill. We would be having some commonly asked interview questions be it of DBMS or SQL, subjective problems, and multiple-choice question sets. 1. Commonly asked DBMS interview questions 2. Some more commonly asked D...
SQL is an very important database language, and is used by most of the companies. This basic to advanced SQL tutorial covers all the important concepts of SQL. A SQL roadmap is also provided to help students learn SQL in 30 days. Following the SQL study plan provided in this roadmap, students can easily complete SQL syllabus in 30 days. Practice se...
- SHOW DATABASES. This displays information of all the existing databases in the server. Output: Note : The databases ‘information_schema’, ‘mysql’ and ‘performance_schema’ are system databases which are used internally by MySQL server.
- USE database_name. database_name : name of the database. This sets the database as the current database in the MySQL server. To display the current database name which is set, use syntax.
- DESCRIBE table_name. table_name : name of the table. This describes the columns of the table_name with respect to Field, Type, Null, Key, Default, Extra.
- SHOW TABLES. This shows all the tables in the selected database as a information.
Jul 22, 2024 · MySQL is a Free open-source Relational Database Management System (RDMS) that stores data in a structured tabular format using rows and columns. It uses Structured Query Language (SQL) for accessing, managing, and manipulating databases. It was originally developed by MySQL AB, a Swedish company, and is now owned by Oracle Corporation.
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Jan 16, 2024 · Step 2: Connect to Local Database. Add a new connection to connect to local db on your system. Click the “+” icon to create new connection. Then give the connection a name, here we gave it as “Local DB”, then enter your MySQL password by clicking “Store in Keychain”, then click “OK” to save and close the dialog boxes.
