Salesforce a CRM has there own limitation on the usage of resources which are actually based upon separate editions and these editions have there own governor limits which are specified below in this blog.
You can find out this whole by click on Setup -> System Overview in Org.
Salesforce Developer Edition:
| Description | Maximum Usage Limit |
| Schema | |
| CUSTOM OBJECTS | 400 |
| DATA STORAGE | 5.0 MB |
| Business Logic | |
| RULES | 2,000 |
| CODE USED | 3,000,000 characters |
| Most Used Licenses | |
| SALESFORCE PLATFORM | 3 |
| SALESFORCE | 2 |
| CHATTER FREE | 5,000 |
| API Usage | |
| API REQUESTS, LAST 24 HOURS | 15,000 |
| User Interface | |
| CUSTOM APPS | 10 |
| ACTIVE SALESFORCE SITES | 1 |
| ACTIVE FLOW | 500 |
| CUSTOM TABS | 100 |
Salesforce Enterprise Edition:
| Description | Maximum Usage Limit |
| Schema | |
| CUSTOM OBJECTS | 200 |
| DATA STORAGE | 200MB |
| Business Logic | |
| RULES | 2000 |
| CODE USED | 3,000,000 characters |
| Most Used Licenses | |
| SALESFORCE PLATFORM | 9 |
| SALESFORCE | 181 |
| CUSTOMER COMMUNITY PLUS | 1 |
| API Usage | |
| API REQUESTS, LAST 24 HOURS | 5,000,000 |
| User Interface | |
| CUSTOM APPS | 260 |
| ACTIVE SALESFORCE SITES | 25 |
| ACTIVE FLOW | 500 |
| CUSTOM TABS | 1225 |
Salesforce Professional Edition:
| Description | Maximum Usage Limit |
| Schema | |
| CUSTOM OBJECTS | 50 |
| DATA STORAGE | 1GB |
| Business Logic | |
| RULES | 2000 |
| CODE USED | 3,000,000 characters |
| Most Used Licenses | |
| CHATTER EXTERNAL | 500 |
| SALESFORCE | 5 |
| CHATTER FREE | 5000 |
| API Usage | |
| API REQUESTS, LAST 24 HOURS | 16000 |
| User Interface | |
| CUSTOM APPS | 255 |
| ACTIVE SALESFORCE SITES | — |
| ACTIVE FLOW | 500 |
| CUSTOM TABS | 1210 |
Salesforce Unlimited Edition:
| Description | Maximum Usage Limit |
| Schema | |
| CUSTOM OBJECTS | 2000 |
| DATA STORAGE | 1GB |
| Business Logic | |
| RULES | 2000 |
| API Usage | |
| API REQUESTS, LAST 24 HOURS | Unlimited |
| User Interface | |
| CUSTOM APPS | Unlimited |
| ACTIVE FLOW | 500 |
| CUSTOM TABS | Unlimited |
Thanks For Reading
Happy Salesforce!!