diff --git a/DAL/WebApiContext.cs b/DAL/WebApiContext.cs
index 487836c..60231f0 100644
--- a/DAL/WebApiContext.cs
+++ b/DAL/WebApiContext.cs
@@ -1,19 +1,24 @@
 using DAL._Shared.SharedModels;
 using DAL.Models.Entities;
 using HRD.WebApi.DAL;
-
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Metadata;
-using System.Collections;
-using System.Collections.Generic;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
 using System.Linq;
 
 namespace DAL
 {
     public partial class WebApiContext : WebApiBaseContext
     {
-        public WebApiContext(DbContextOptions<WebApiContext> options) : base(options)
+        private readonly WebApiContextOptions _options;
+
+        private readonly ILogger<WebApiContext> _logger;
+
+        public WebApiContext(DbContextOptions<WebApiContext> options, IOptions<WebApiContextOptions> webApiContextOptions, ILogger<WebApiContext> logger) : base(options)
         {
+            _options = webApiContextOptions.Value;
+            _logger = logger;
         }
 
         public virtual DbSet<WebAppUser> WebAppUserSet { get; set; }
@@ -48,7 +53,333 @@ namespace DAL
         public virtual DbSet<WindreamSearchToDepartment> WindreamSearchToDepartmentSet { get; set; }
         public virtual DbSet<WindreamInputFolder> WindreamInputFolderSet { get; set; }
         public virtual DbSet<Subsidiary> SubsidiarySet { get; set; }
+
         protected override void OnModelCreating(ModelBuilder modelBuilder)
+        {
+            switch(_options.TableNamingRule)
+            {
+                case "DIGITAL_DATA":
+                    OnModelCreating_DDSQLNaming(modelBuilder);
+                    break;
+                case "PREPARED-SQL":
+                    OnModelCreating_PreparedSQL(modelBuilder);
+                    break;
+                default:
+                    _logger.LogWarning($"The WebApiContextOptions.TableNamingRule is set to {_options?.TableNamingRule ?? "NULL"}  in appsettings.json. Hence, it has been defaulted to PREPARED-SQL.");
+                    OnModelCreating_PreparedSQL(modelBuilder);
+                    break;
+            }     
+
+            base.OnModelCreating(modelBuilder);
+        }
+
+        protected static void OnModelCreating_PreparedSQL(ModelBuilder modelBuilder)
+        {
+            modelBuilder.Entity<Subsidiary>(entity =>
+            {
+                entity.ToTable("Subsidiary", "dbo");
+            });
+
+            modelBuilder.Entity<WindreamInputFolder>(entity =>
+            {
+                entity.ToTable("WindreamInputFolder", "ecm");
+            });
+
+            modelBuilder.Entity<WindreamSearchToDepartment>(entity =>
+            {
+                entity.ToTable("WindreamSearchToDepartment", "ecm");
+            });
+
+            modelBuilder.Entity<WindreamSearchItemToWindreamSearchToDepartment>(entity =>
+            {
+                entity.ToTable("WindreamSearchItemToWindreamSearchToDepartment", "ecm");
+            });
+
+            modelBuilder.Entity<WindreamSearchItem>(entity =>
+            {
+                entity.ToTable("WindreamSearchItem", "ecm");
+            });
+
+            modelBuilder.Entity<WindreamSearch>(entity =>
+            {
+                entity.ToTable("WindreamSearch", "ecm");
+            });
+
+            modelBuilder.Entity<WindreamIndexToWindreamSearchToDepartment>(entity =>
+            {
+                entity.ToTable("WindreamIndexToWindreamSearchToDepartment", "ecm");
+            });
+
+            modelBuilder.Entity<WindreamIndex>(entity =>
+            {
+                entity.ToTable("WindreamIndex", "ecm");
+            });
+
+            // 'WindreamColumnsToDepartment' tablosu güncellenmiş listeye dahil değil
+
+            modelBuilder.Entity<WebAppToWebAppRole>(entity =>
+            {
+                entity.ToTable("WebAppToWebAppRole", "dbo");
+            });
+
+            modelBuilder.Entity<WebAppToWebAppAdditionalRole>(entity =>
+            {
+                entity.ToTable("WebAppToWebAppAdditionalRole", "dbo");
+            });
+
+            modelBuilder.Entity<WebAppToDepartment>(entity =>
+            {
+                entity.ToTable("WebAppToDepartment", "dbo");
+            });
+
+            modelBuilder.Entity<WebAppAdditionalRole>(entity =>
+            {
+                entity.ToTable("WebAppAdditionalRole", "dbo");
+            });
+
+            modelBuilder.Entity<EmployeeToWebApp>(entity =>
+            {
+                entity.ToTable("EmployeeToWebApp", "hr");
+            });
+
+            modelBuilder.Entity<EmployeeToDepartment>(entity =>
+            {
+                entity.ToTable("EmployeeToDepartment", "hr");
+            });
+
+            modelBuilder.Entity<EmployeeToAttribute>(entity =>
+            {
+                entity.ToTable("EmployeeToAttribute", "hr");
+            });
+
+            modelBuilder.Entity<Employee>(entity =>
+            {
+                entity.ToTable("Employee", "hr");
+            });
+
+            modelBuilder.Entity<DocumentArtToDepartment>(entity =>
+            {
+                entity.ToTable("DocumentArtToDepartment", "ecm");
+            });
+
+            // 'DepartmentToWebAppToEmployeeForWindream' tablosu güncellenmiş listeye dahil değil
+
+            modelBuilder.Entity<WebAppRole>(entity =>
+            {
+                entity.ToTable("WebAppRole", "dbo");
+            });
+
+            modelBuilder.Entity<WebApp>(entity =>
+            {
+                entity.ToTable("WebApp", "dbo");
+            });
+
+            modelBuilder.Entity<Rang>(entity =>
+            {
+                entity.ToTable("Rang", "hr");
+            });
+
+            modelBuilder.Entity<Project>(entity =>
+            {
+                entity.ToTable("Project", "hr");
+            });
+
+            modelBuilder.Entity<EmployeeStatus>(entity =>
+            {
+                entity.ToTable("EmployeeStatus", "hr");
+            });
+
+            modelBuilder.Entity<EmployeeAttribute>(entity =>
+            {
+                entity.ToTable("EmployeeAttribute", "hr");
+            });
+
+            modelBuilder.Entity<DocumentArt>(entity =>
+            {
+                entity.ToTable("DocumentArt", "ecm");
+            });
+
+            modelBuilder.Entity<Department>(entity =>
+            {
+                entity.ToTable("Department", "hr");
+            });
+
+            modelBuilder.Entity<CostCentre>(entity =>
+            {
+                entity.ToTable("CostCentre", "hr");
+            });
+
+            // 'AdWebAppToWebAppRole' tablosu güncellenmiş listeye dahil değil
+
+            modelBuilder.Entity<WebAppUser>(entity =>
+            {
+                entity.ToTable("WebAppUser", "dbo");
+            });
+
+            // 'WebAppEmployeeInfo' tablosu güncellenmiş listeye dahil değil
+        }
+
+        protected static void OnModelCreating_ClassName(ModelBuilder modelBuilder)
+        {
+            modelBuilder.Entity<Subsidiary>(entity =>
+            {
+                entity.ToTable("Subsidiary", "webapi");
+            });
+
+            modelBuilder.Entity<WindreamInputFolder>(entity =>
+            {
+                entity.ToTable("WindreamInputFolder", "webapi");
+            });
+
+            modelBuilder.Entity<WindreamSearchToDepartment>(entity =>
+            {
+                entity.ToTable("WindreamSearchToDepartment", "webapi");
+            });
+
+            modelBuilder.Entity<WindreamSearchItemToWindreamSearchToDepartment>(entity =>
+            {
+                entity.ToTable("WindreamSearchItemToWindreamSearchToDepartment", "webapi");
+            });
+
+            modelBuilder.Entity<WindreamSearchItem>(entity =>
+            {
+                entity.ToTable("WindreamSearchItem", "webapi");
+            });
+
+            modelBuilder.Entity<WindreamSearch>(entity =>
+            {
+                entity.ToTable("WindreamSearch", "webapi");
+            });
+
+            modelBuilder.Entity<WindreamIndexToWindreamSearchToDepartment>(entity =>
+            {
+                entity.ToTable("WindreamIndexToWindreamSearchToDepartment", "webapi");
+            });
+
+            modelBuilder.Entity<WindreamIndex>(entity =>
+            {
+                entity.ToTable("WindreamIndex", "webapi");
+            });
+
+            modelBuilder.Entity<WindreamColumnsToDepartment>(entity =>
+            {
+                entity.ToTable("WindreamColumnsToDepartment", "webapi");
+            });
+
+            modelBuilder.Entity<WebAppToWebAppRole>(entity =>
+            {
+                entity.ToTable("WebAppToWebAppRole", "webapi");
+            });
+
+            modelBuilder.Entity<WebAppToWebAppAdditionalRole>(entity =>
+            {
+                entity.ToTable("WebAppToWebAppAdditionalRole", "webapi");
+            });
+
+            modelBuilder.Entity<WebAppToDepartment>(entity =>
+            {
+                entity.ToTable("WebAppToDepartment", "webapi");
+            });
+
+            modelBuilder.Entity<WebAppAdditionalRole>(entity =>
+            {
+                entity.ToTable("WebAppAdditionalRole", "webapi");
+            });
+
+            modelBuilder.Entity<EmployeeToWebApp>(entity =>
+            {
+                entity.ToTable("EmployeeToWebApp", "webapi");
+            });
+
+            modelBuilder.Entity<EmployeeToDepartment>(entity =>
+            {
+                entity.ToTable("EmployeeToDepartment", "webapi");
+            });
+
+            modelBuilder.Entity<EmployeeToAttribute>(entity =>
+            {
+                entity.ToTable("EmployeeToAttribute", "webapi");
+            });
+
+            modelBuilder.Entity<Employee>(entity =>
+            {
+                entity.ToTable("Employee", "webapi");
+            });
+
+            modelBuilder.Entity<DocumentArtToDepartment>(entity =>
+            {
+                entity.ToTable("DocumentArtToDepartment", "webapi");
+            });
+
+            modelBuilder.Entity<DepartmentToWebAppToEmployeeForWindream>(entity =>
+            {
+                entity.ToTable("DepartmentToWebAppToEmployeeForWindream", "webapi");
+            });
+
+            modelBuilder.Entity<WebAppRole>(entity =>
+            {
+                entity.ToTable("WebAppRole", "webapi");
+            });
+
+            modelBuilder.Entity<WebApp>(entity =>
+            {
+                entity.ToTable("WebApp", "webapi");
+            });
+
+            modelBuilder.Entity<Rang>(entity =>
+            {
+                entity.ToTable("Rang", "webapi");
+            });
+
+            modelBuilder.Entity<Project>(entity =>
+            {
+                entity.ToTable("Project", "webapi");
+            });
+
+            modelBuilder.Entity<EmployeeStatus>(entity =>
+            {
+                entity.ToTable("EmployeeStatus", "webapi");
+            });
+
+            modelBuilder.Entity<EmployeeAttribute>(entity =>
+            {
+                entity.ToTable("EmployeeAttribute", "webapi");
+            });
+
+            modelBuilder.Entity<DocumentArt>(entity =>
+            {
+                entity.ToTable("DocumentArt", "webapi");
+            });
+
+            modelBuilder.Entity<Department>(entity =>
+            {
+                entity.ToTable("Department", "webapi");
+            });
+
+            modelBuilder.Entity<CostCentre>(entity =>
+            {
+                entity.ToTable("CostCentre", "webapi");
+            });
+
+            modelBuilder.Entity<AdWebAppToWebAppRole>(entity =>
+            {
+                entity.ToTable("AdWebAppToWebAppRole", "webapi");
+            });
+
+
+            modelBuilder.Entity<WebAppUser>(entity =>
+            {
+                entity.ToTable("WebAppUser", "webapi");
+            });
+
+            modelBuilder.Entity<WebAppEmployeeInfo>(entity =>
+            {
+                entity.ToTable("WebAppEmployeeInfo", "webapi");
+            });
+        }
+
+        #region MODEL CREATIN FOR DIGIDAL-DATA NAMING
+        protected static void OnModelCreating_DDSQLNaming(ModelBuilder modelBuilder)
         {
             modelBuilder.Entity<Subsidiary>(entity =>
             {
@@ -206,11 +537,9 @@ namespace DAL
             });
 
             Configure4DDNaming(modelBuilder.Model.GetEntityTypes().ToArray());
-
-            base.OnModelCreating(modelBuilder);
         }
 
-        public static void Configure4DDNaming(params IMutableEntityType[] entityTypes)
+        private static void Configure4DDNaming(params IMutableEntityType[] entityTypes)
         {
             foreach (var entityType in entityTypes)
             {
@@ -233,5 +562,6 @@ namespace DAL
             var startUnderscores = System.Text.RegularExpressions.Regex.Match(input, @"^_+");
             return startUnderscores + System.Text.RegularExpressions.Regex.Replace(input, @"([a-z0-9])([A-Z])", "$1_$2").ToUpper();
         }
+        #endregion
     }
 }
diff --git a/DAL/WebApiContextOptions.cs b/DAL/WebApiContextOptions.cs
new file mode 100644
index 0000000..19f9eba
--- /dev/null
+++ b/DAL/WebApiContextOptions.cs
@@ -0,0 +1,9 @@
+namespace DAL
+{
+#nullable enable
+    public class WebApiContextOptions
+    {
+        public string? TableNamingRule { get; init; } = null;
+    }
+#nullable restore
+}
\ No newline at end of file
diff --git a/StaffDBServer/Program.cs b/StaffDBServer/Program.cs
index 28e1ac0..cfd2269 100644
--- a/StaffDBServer/Program.cs
+++ b/StaffDBServer/Program.cs
@@ -107,6 +107,8 @@ try
 
     var cnnStr = WebApiConfig.ConnectionString(EN_ConnectionType.SQLServer);
 
+    builder.Services.Configure<WebApiContextOptions>(builder.Configuration.GetSection("WebApiContextOptions"));
+
     builder.Services.AddDbContext<WebApiContext>(options =>
     {
         const int dbTimeoutInMin = 5;
diff --git a/StaffDBServer/appsettings.json b/StaffDBServer/appsettings.json
index 0ed07d6..0ba4e24 100644
--- a/StaffDBServer/appsettings.json
+++ b/StaffDBServer/appsettings.json
@@ -5,7 +5,8 @@
     }
   },
   "ConnectionStrings": {
-    "sqlConnection": "Server=SDD-VMP04-SQL17\\DD_DEVELOP01;Database=DD_ECM;User Id=sa;Password=dd;Encrypt=false;TrustServerCertificate=True;"
+    "sqlConnection": "Server=SDD-VMP04-SQL17\\DD_DEVELOP01;Database=DD_ECM;User Id=sa;Password=dd;Encrypt=false;TrustServerCertificate=True;",
+    "sqlConnection19": "Server=SDD-VMP04-SQL19\\DD_DEVELOP01;Database=DD_StaffDB;User Id=sa;Password=dd;Encrypt=false;TrustServerCertificate=True;"
   },
   "AppConfig": {
     "LDAP_WebAppGroup_Is_Live": "false",
@@ -37,5 +38,11 @@
     "LDAP_EDM_Prefix": "GG_EDM",
     "LDAP_WebAppp_Prefix": "GG_WebApp",
     "LDAP_Prefix_Test": "__Test"
+  },
+  // else if created with prepared crate table SQL,TableNamingRule is 'PREPARED-SQL'            (e.g. dbo.Subsidiary, ecm.WindreamIndexToWindreamSearchToDepartment)
+  // else if you follow digital data SQL table naming rules, TableNamingRule is 'DIGITAL_DATA'  (e.g. TBSTF_WEB_APP_ROLE)
+  // otherwise, TableNamingRule is 'PREPARED-SQL'
+  "WebApiContextOptions": {
+    "TableNamingRule": "DIGITAL_DATA"
   }
 }
\ No newline at end of file