- Why MySQL is so popular?
- Can I use MySQL for free?
- What is MySQL and how it works?
- Is Postgres faster than MySQL?
- Why is Postgres so popular?
- What is the advantage of MySQL?
- What is MySQL interview questions?
- What is difference between SQL and MySQL?
- What is MySQL and why it is used?
- Should I use PostgreSQL or MySQL?
- How does MySQL query work?
- Is PostgreSQL slower than MySQL?
- What is MySQL explain?
- Which software is used for MySQL?
- How do you use MySQL explain?
Why MySQL is so popular?
It offers advanced features and reliability far beyond a typical freeware project.
Successful companies such as Verizon, Netflix, and Twitter rely on MySQL databases to power their businesses.
In addition to being free, another very appealing aspect of MySQL is its open source nature..
Can I use MySQL for free?
MySQL Is free to download and use. They also have an enterprise version available for subscription purchase and provides you with the database server as well as very nice premium support package and very robust utilities and tools such as Query Analyzer.
What is MySQL and how it works?
How Does MySQL Work? … MySQL creates a database for storing and manipulating data, defining the relationship of each table. Clients can make requests by typing specific SQL statements on MySQL. The server application will respond with the requested information and it will appear on the clients’ side.
Is Postgres faster than MySQL?
PostgreSQL is known to be faster while handling massive data sets, complicated queries, and read-write operations. Meanwhile, MySQL is known to be faster with read-only commands.
Why is Postgres so popular?
There are many factors that contribute to PostgreSQL’s popularity, starting with its highly active open source community that, unlike a company-led open source DBMS like MongoDB or MySQL, is not controlled by any single sponsor or company.
What is the advantage of MySQL?
On-Demand Scalability MySQL offers unmatched scalability to facilitate the management of deeply embedded apps using a smaller footprint even in massive warehouses that stack terabytes of data. On-demand flexibility is the star feature of MySQL.
What is MySQL interview questions?
Top 50 MySQL Interview Questions & AnswersWhat is MySQL? … What are the technical features of MySQL? … Why MySQL is used? … What are Heap tables? … What is the default port for MySQL Server? … What are the advantages of MySQL when compared with Oracle? … Differentiate between FLOAT and DOUBLE? … Differentiate CHAR_LENGTH and LENGTH?More items…•
What is difference between SQL and MySQL?
SQL is a query language, whereas MySQL is a relational database that uses SQL to query a database. You can use SQL to access, update, and manipulate the data stored in a database. However, MySQL is a database that stores the existing data in a database in an organized manner.
What is MySQL and why it is used?
MySQL is a relational database management system based on SQL – Structured Query Language. … The most common use for mySQL however, is for the purpose of a web database. It can be used to store anything from a single record of information to an entire inventory of available products for an online store.
Should I use PostgreSQL or MySQL?
In general, PostgreSQL is best suited for systems that require execution of complex queries, or data warehousing and data analysis. MySQL is the first choice for those web-based projects which require a database merely for data transactions and not anything intricate.
How does MySQL query work?
The steps to execute this query are as follows:The MySQL API sends the query to the server as a series of tokens.The query is parsed.MySQL checks privileges. … The query cache would normally be checked at this stage, but I’ve given the SQL_NO_CACHE instruction.More items…•
Is PostgreSQL slower than MySQL?
In the past, Postgres performance was more balanced – reads were generally slower than MySQL, but it was capable of writing large amounts of data more efficiently, and it handled concurrency better. … MySQL is still very fast at reading data, but only if using the old MyISAM engine.
What is MySQL explain?
The EXPLAIN statement provides information about how MySQL executes statements: EXPLAIN works with SELECT , DELETE , INSERT , REPLACE , and UPDATE statements. … When EXPLAIN is used with an explainable statement, MySQL displays information from the optimizer about the statement execution plan.
Which software is used for MySQL?
MySQL is used by many database-driven web applications, including Drupal, Joomla, phpBB, and WordPress.
How do you use MySQL explain?
In MySQL, EXPLAIN can be used in front of a query beginning with SELECT , INSERT , DELETE , REPLACE , and UPDATE . For a simple query, it would look like the following: EXPLAIN SELECT * FROM foo WHERE foo. bar = ‘infrastructure as a service’ OR foo.