title: Naming conventions for tables and columns in database
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/7662/database-table-and-column-naming-conventions">Database, Table and Column Naming Conventions?</a>  </p>
  </blockquote>
  
  
  
  <p>Each time when new project starts, I’m thinking about naming conventions of table and columns in database. Which case is your recommendation and why?</p>
  
  <p>Case 1. column_name<br>
  Case 2. ColumnName<br>
  Case 3. Column_Name<br>
  Case 4. columnName </p>