- What is MySQL? …
- What are some of the advantages of using MySQL? …
- What do you mean by ‘databases’? …
- What does SQL in MySQL stand for? …
- What does a MySQL database contain? …
- How can you interact with MySQL? …
- What are MySQL Database Queries? …
- What are some of the common MySQL commands?
MYSQL Interview Questions and Answers | MYSQL Interview Preparation | Intellipaat
PHP MySQL Interview Questions
The command used to create a database using both PHP and MySQL is mysql_create_db(“Database Name”).
Q10. What is Normalization and list the different types of normalization?
Normalization is the process of organizing data to avoid duplication and redundancy. There are many successive levels of normalization. These are called normal forms. Each consecutive normal form depends on the previous one. The first three normal forms are usually adequate.
Now, let us move on to the next set of questions which is the Tricky MySQL Interview Questions.
Q8.State the differences between MongoDB and MySQL.
|An open source database that stores JSON like documents which vary in structure.||An open source relational database management system which stores relational data.|
|Each and every individual record are stored as documents.||Each and every individual record are stored as rows in a table.|
|Documents from a particular class or a group are stored in a collection.||A similar type of records are stored in a table.|
Q12. Can you tell how can you display the Maximum salary in SQL?
To display the maximum salary in SQL, you can use the inbuilt function called MAX().
Q3: What are the ways in which you can retrieve data in the result set of MySQL using PHP?
The different ways in which you can retrieve data in the result set of MySQL using PHP are as follows:
31. What are the types of joins in MySQL?
There are four types of joins in MySQL. Inner join returns the rows if there is at least one match in two tables. Left join returns all the rows from the left table even if there is no match in the right table. Right, join returns all the rows from the right table even if no matches exist in the left table. Full join would return rows when there is at least one match in the tables.
mysql interview questions
A database index is the structure of a fact that improves the velocity of operations in a table. It can be created the usage of one or greater columns, presenting the foundation for each fast random lookups and efficient ordering of getting admission to records. Indexes are used to locate rows with specific column values quickly.
In Mysql, a trigger is a database object that is directly associated with a table. It will be activated when a defined action is executed for the table. It can be performed when you run one of the following MySQL like INSERT, UPDATE and DELETE occurred in a table. Its activation time can be BEFORE or AFTER
MYSQL is one of the most successful and leading pathways towards data administration careers. You will be amazed to know that this database service holds a total of 46.83% share in the relational database market. So to make your career and prepare for interviews in this field would be a good choice. Today we will help with these interviews by providing you with some MYSQL Interview Questions and Answers.
Here in this article, we will be listing frequently asked MySQL Interview Questions and Answers with the belief that they will be helpful for you to gain higher marks. Also, to let you know that this article has been written under the guidance of industry professionals and covered all the current competencies.
Mysql is not case sensitive. Its case-sensitivity relies on the underlying operating system as OS determines the case sensitivity of tables names and database. In windows, database and table names are not case sensitive but in the case of UNIX, it is case sensitive in nature. Especially on the UNIX host, database accepts the upper case and lower-case table names. Is this helpful? Yes No