diff --git a/framework/src/Volo.Abp.EntityFrameworkCore.PostgreSql/Volo/Abp/EntityFrameworkCore/DistributedEvents/PostgreSqlAdapter.cs b/framework/src/Volo.Abp.EntityFrameworkCore.PostgreSql/Volo/Abp/EntityFrameworkCore/DistributedEvents/PostgreSqlAdapter.cs
new file mode 100644
index 0000000000..0c84ec929e
--- /dev/null
+++ b/framework/src/Volo.Abp.EntityFrameworkCore.PostgreSql/Volo/Abp/EntityFrameworkCore/DistributedEvents/PostgreSqlAdapter.cs
@@ -0,0 +1,25 @@
+namespace Volo.Abp.EntityFrameworkCore.DistributedEvents
+{
+    public class PostgreSqlAdapter : ISqlAdapter
+    {
+        public string NormalizeTableName(string tableName)
+        {
+            return $"\"{tableName}\"";
+        }
+
+        public string NormalizeColumnName(string columnName)
+        {
+            return $"\"{columnName}\"";
+        }
+
+        public string NormalizeColumnNameEqualsValue(string columnName, object value)
+        {
+            return $"\"{columnName}\" = '{value}'";
+        }
+
+        public string NormalizeValue(object value)
+        {
+            return $"'{value}'";
+        }
+    }
+}
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore.PostgreSql/Volo/Abp/EntityFrameworkCore/PostgreSql/AbpEntityFrameworkCorePostgreSqlModule.cs b/framework/src/Volo.Abp.EntityFrameworkCore.PostgreSql/Volo/Abp/EntityFrameworkCore/PostgreSql/AbpEntityFrameworkCorePostgreSqlModule.cs
index 4e76b89113..7d8c87c63a 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore.PostgreSql/Volo/Abp/EntityFrameworkCore/PostgreSql/AbpEntityFrameworkCorePostgreSqlModule.cs
+++ b/framework/src/Volo.Abp.EntityFrameworkCore.PostgreSql/Volo/Abp/EntityFrameworkCore/PostgreSql/AbpEntityFrameworkCorePostgreSqlModule.cs
@@ -1,4 +1,6 @@
-using Volo.Abp.Guids;
+using Npgsql;
+using Volo.Abp.EntityFrameworkCore.DistributedEvents;
+using Volo.Abp.Guids;
 using Volo.Abp.Modularity;
 
 namespace Volo.Abp.EntityFrameworkCore.PostgreSql
@@ -17,6 +19,11 @@ namespace Volo.Abp.EntityFrameworkCore.PostgreSql
                     options.DefaultSequentialGuidType = SequentialGuidType.SequentialAsString;
                 }
             });
+
+            Configure<AbpEfCoreDistributedEventBusOptions>(options =>
+            {
+                options.SqlAdapters.TryAdd(nameof(NpgsqlConnection).ToLower(), new PostgreSqlAdapter());
+            });
         }
     }
 }
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/AbpEntityFrameworkCoreModule.cs b/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/AbpEntityFrameworkCoreModule.cs
index 90b541bc73..349116d6eb 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/AbpEntityFrameworkCoreModule.cs
+++ b/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/AbpEntityFrameworkCoreModule.cs
@@ -26,6 +26,11 @@ namespace Volo.Abp.EntityFrameworkCore
                 });
             });
 
+            Configure<AbpEfCoreDistributedEventBusOptions>(options =>
+            {
+                options.SqlAdapters.Add(DefaultSqlAdapter.Name, new DefaultSqlAdapter());
+            });
+
             context.Services.TryAddTransient(typeof(IDbContextProvider<>), typeof(UnitOfWorkDbContextProvider<>));
             context.Services.AddTransient(typeof(IDbContextEventOutbox<>), typeof(DbContextEventOutbox<>));
             context.Services.AddTransient(typeof(IDbContextEventInbox<>), typeof(DbContextEventInbox<>));
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/DistributedEvents/AbpEfCoreDistributedEventBusOptions.cs b/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/DistributedEvents/AbpEfCoreDistributedEventBusOptions.cs
new file mode 100644
index 0000000000..9497552a09
--- /dev/null
+++ b/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/DistributedEvents/AbpEfCoreDistributedEventBusOptions.cs
@@ -0,0 +1,19 @@
+using System.Collections.Generic;
+
+namespace Volo.Abp.EntityFrameworkCore.DistributedEvents
+{
+    public class AbpEfCoreDistributedEventBusOptions
+    {
+        public Dictionary<string, ISqlAdapter> SqlAdapters { get; set; }
+
+        public ISqlAdapter GetSqlAdapter(string connectionType)
+        {
+            return SqlAdapters.TryGetValue(connectionType, out var sqlAdapter) ? sqlAdapter : SqlAdapters[DefaultSqlAdapter.Name];
+        }
+
+        public AbpEfCoreDistributedEventBusOptions()
+        {
+            SqlAdapters = new Dictionary<string, ISqlAdapter>();
+        }
+    }
+}
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/DistributedEvents/DbContextEventInbox.cs b/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/DistributedEvents/DbContextEventInbox.cs
index 5bee24d754..d8f18c6f32 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/DistributedEvents/DbContextEventInbox.cs
+++ b/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/DistributedEvents/DbContextEventInbox.cs
@@ -16,15 +16,18 @@ namespace Volo.Abp.EntityFrameworkCore.DistributedEvents
     {
         protected IDbContextProvider<TDbContext> DbContextProvider { get; }
         protected AbpDistributedEventBusOptions DistributedEventsOptions { get; }
+        protected AbpEfCoreDistributedEventBusOptions EfCoreDistributedEventBusOptions { get; }
         protected IClock Clock { get; }
 
         public DbContextEventInbox(
             IDbContextProvider<TDbContext> dbContextProvider,
             IClock clock,
-           IOptions<AbpDistributedEventBusOptions> distributedEventsOptions)
+            IOptions<AbpDistributedEventBusOptions> distributedEventsOptions,
+            IOptions<AbpEfCoreDistributedEventBusOptions> efCoreDistributedEventBusOptions)
         {
             DbContextProvider = dbContextProvider;
             Clock = clock;
+            EfCoreDistributedEventBusOptions = efCoreDistributedEventBusOptions.Value;
             DistributedEventsOptions = distributedEventsOptions.Value;
         }
 
@@ -61,8 +64,14 @@ namespace Volo.Abp.EntityFrameworkCore.DistributedEvents
         {
             var dbContext = await DbContextProvider.GetDbContextAsync();
             var tableName = dbContext.IncomingEvents.EntityType.GetSchemaQualifiedTableName();
+            var connectionName = dbContext.Database.GetDbConnection().GetType().Name.ToLower();
+            var sqlAdapter = EfCoreDistributedEventBusOptions.GetSqlAdapter(connectionName);
+
+            var sql = $"UPDATE {sqlAdapter.NormalizeTableName(tableName)} SET " +
+                      $"{sqlAdapter.NormalizeColumnNameEqualsValue("Processed", 1)}, " +
+                      $"{sqlAdapter.NormalizeColumnNameEqualsValue("ProcessedTime", Clock.Now)} WHERE " +
+                      $"{sqlAdapter.NormalizeColumnNameEqualsValue("Id", id)}";
 
-            var sql = $"UPDATE {tableName} SET Processed = 1, ProcessedTime = '{Clock.Now}' WHERE Id = '{id}'";
             await dbContext.Database.ExecuteSqlRawAsync(sql);
         }
 
@@ -79,8 +88,13 @@ namespace Volo.Abp.EntityFrameworkCore.DistributedEvents
             var dbContext = await DbContextProvider.GetDbContextAsync();
             var tableName = dbContext.IncomingEvents.EntityType.GetSchemaQualifiedTableName();
             var timeToKeepEvents = Clock.Now.Add(DistributedEventsOptions.InboxKeepEventTimeSpan);
+            var connectionName = dbContext.Database.GetDbConnection().GetType().Name.ToLower();
+            var sqlAdapter = EfCoreDistributedEventBusOptions.GetSqlAdapter(connectionName);
+
+            var sql = $"DELETE FROM {sqlAdapter.NormalizeTableName(tableName)} WHERE " +
+                      $"{sqlAdapter.NormalizeColumnNameEqualsValue("Processed", 1)} AND " +
+                      $"{sqlAdapter.NormalizeColumnName("CreationTime")} < {sqlAdapter.NormalizeValue(timeToKeepEvents)}";
 
-            var sql = $"DELETE FROM {tableName} WHERE Processed = 1 AND CreationTime < '{timeToKeepEvents}'";
             await dbContext.Database.ExecuteSqlRawAsync(sql);
         }
     }
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/DistributedEvents/DbContextEventOutbox.cs b/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/DistributedEvents/DbContextEventOutbox.cs
index f0b4d3b98c..5451a0a30a 100644
--- a/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/DistributedEvents/DbContextEventOutbox.cs
+++ b/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/DistributedEvents/DbContextEventOutbox.cs
@@ -4,6 +4,7 @@ using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Options;
 using Volo.Abp.EventBus.Distributed;
 using Volo.Abp.Uow;
 
@@ -13,11 +14,14 @@ namespace Volo.Abp.EntityFrameworkCore.DistributedEvents
         where TDbContext : IHasEventOutbox
     {
         protected IDbContextProvider<TDbContext> DbContextProvider { get; }
+        protected AbpEfCoreDistributedEventBusOptions EfCoreDistributedEventBusOptions { get; }
 
         public DbContextEventOutbox(
-            IDbContextProvider<TDbContext> dbContextProvider)
+            IDbContextProvider<TDbContext> dbContextProvider,
+            IOptions<AbpEfCoreDistributedEventBusOptions> efCoreDistributedEventBusOptions)
         {
             DbContextProvider = dbContextProvider;
+            EfCoreDistributedEventBusOptions = efCoreDistributedEventBusOptions.Value;
         }
 
         [UnitOfWork]
@@ -51,8 +55,12 @@ namespace Volo.Abp.EntityFrameworkCore.DistributedEvents
         {
             var dbContext = (IHasEventOutbox) await DbContextProvider.GetDbContextAsync();
             var tableName = dbContext.OutgoingEvents.EntityType.GetSchemaQualifiedTableName();
+            var connectionName = dbContext.Database.GetDbConnection().GetType().Name.ToLower();
+            var sqlAdapter = EfCoreDistributedEventBusOptions.GetSqlAdapter(connectionName);
+
+            var sql = $"DELETE FROM {sqlAdapter.NormalizeTableName(tableName)} WHERE " +
+                      $"{sqlAdapter.NormalizeColumnNameEqualsValue("Id", id)}";
 
-            var sql = $"DELETE FROM {tableName} WHERE Id = '{id}'";
             await dbContext.Database.ExecuteSqlRawAsync(sql);
         }
     }
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/DistributedEvents/DefaultSqlAdapter.cs b/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/DistributedEvents/DefaultSqlAdapter.cs
new file mode 100644
index 0000000000..8a86af7434
--- /dev/null
+++ b/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/DistributedEvents/DefaultSqlAdapter.cs
@@ -0,0 +1,27 @@
+namespace Volo.Abp.EntityFrameworkCore.DistributedEvents
+{
+    public class DefaultSqlAdapter : ISqlAdapter
+    {
+        public const string Name = "default";
+
+        public string NormalizeTableName(string tableName)
+        {
+            return tableName;
+        }
+
+        public string NormalizeColumnName(string columnName)
+        {
+            return columnName;
+        }
+
+        public string NormalizeColumnNameEqualsValue(string columnName, object value)
+        {
+            return $"{columnName} = '{value}'";
+        }
+
+        public string NormalizeValue(object value)
+        {
+            return $"'{value}'";
+        }
+    }
+}
diff --git a/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/DistributedEvents/ISqlAdapter.cs b/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/DistributedEvents/ISqlAdapter.cs
new file mode 100644
index 0000000000..9b366f00ab
--- /dev/null
+++ b/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/DistributedEvents/ISqlAdapter.cs
@@ -0,0 +1,13 @@
+namespace Volo.Abp.EntityFrameworkCore.DistributedEvents
+{
+    public interface ISqlAdapter
+    {
+        string NormalizeTableName(string tableName);
+
+        string NormalizeColumnName(string columnName);
+
+        string NormalizeColumnNameEqualsValue(string columnName, object value);
+
+        string NormalizeValue(object value);
+    }
+}