title: ORA-00955 name is already used by an existing object Error when Update-Database Code First Migration ASP.NET MVC
body: <p>I am trying to use Oracle ManagedAccess Client driver to user Oracle Database With ASP.NET MVC 5</p>
  
  <p>Here is My Context:</p>
  
  <pre><code>using System.Configuration;
  using Domain.Entities;
  using Oracle.ManagedDataAccess.Client;
  using Oracle.ManagedDataAccess.EntityFramework;
  using System.Collections.Specialized;
  namespace Domain.Data
  {
      using System;
      using System.Data.Entity;
      using System.ComponentModel.DataAnnotations.Schema;
      using System.Linq;
  
      public partial class SptsOracleDbContext : DbContext
      {
          public SptsOracleDbContext()
              : base(new OracleConnection(ConfigurationManager.ConnectionStrings["SptsOracleDbContext"].ConnectionString), true)
                      { 
  
                      } 
  
          public DbSet&lt;BranchType&gt; BranchTypes { get; set; }
          public DbSet&lt;Branch&gt; Branches { get; set; }
          public DbSet&lt;StaffStatu&gt; StaffStatus { get; set; }
          public DbSet&lt;ManagerialTitle&gt; ManagerialTitles { get; set; }
          public DbSet&lt;AcademicTitle&gt; AcademicTitles { get; set; }
          public DbSet&lt;Hospital&gt; Hospitals { get; set; }
  
          protected override void OnModelCreating(DbModelBuilder modelBuilder)
          {
  
          base.OnModelCreating(modelBuilder);
              modelBuilder.HasDefaultSchema("SPTS");
              modelBuilder.Ignore&lt;Hospital&gt;();
          }
      }
  }
  </code></pre>
  
  <p>When I try to migrate with <code>update-database</code> command from Package Manager Console It gives me this error:</p>
  
  <pre><code>ORA-00955 name is already used by an existing object 
  </code></pre>
  
  <p>When I check if a table is already created,but there is no created table.</p>
  
  <p>How can I Solve This issue?</p>
  
  <p>Many Thanks For Helps </p>