How to prevent duplicate names through apex trigger in Salesforce

how to prevent duplicate records based on multiple fields through apex trigger in Salesforce

Trigger to check duplicate name to custom object in Salesforce

Trigger Best Practices | Sample Trigger Example | Implementing Trigger Framework

• One Trigger Per Object
• Logic-less Triggers
• Context-Specific Handler Methods
• Bulkify your Code
• Avoid SOQL Queries or DML statements inside FOR Loops
• Using Collections, Streamlining Queries, and Efficient For Loops
• Querying Large Data Sets
• Use @future Appropriately
• Avoid Hardcoding IDs

To know more about Trigger Best Practices example, click here.

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