Discover what MySQL is and how to get started in one of the most popular database management systems.
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Describe the problem in brief. Use emotionally charged language that your customers use when describing their problem. Relational databases are designed to store data as collections of predefined tables with rows and columns that are connected through one or more relationships.
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Relational databases are designed to store data as collections of predefined tables with rows and columns that are connected through one or more relationships.
| Operator | Description | Example |
| && | Called Logical AND operator. If both the operands are non zero then condition becomes true. | (A && B) is false. |
| || | Called Logical OR Operator. If any of the two operands is non zero then condition becomes true. | (A || B) is true. |
| ! | Called Logical NOT Operator. Use to reverses the logical state of its operand. If a condition is true then Logical NOT operator will make false. | !(A && B) is true. |
Accessing MySQL
Once you have installed MySQL on your computer, you can start using it from your terminal. To launch MySQL, you can access it with your username and its associated password.
- This command is used to log into a MySQL server from a command line interface.
"mysql" is the command to start the MySQL client.
"-u" is an option to specify the username, in this case "root".
"-p" is an option that tells MySQL to prompt for a password.