diff --git a/src/AbpDesk/AbpDesk.Application/AbpDesk/Tickets/TicketAppService.cs b/src/AbpDesk/AbpDesk.Application/AbpDesk/Tickets/TicketAppService.cs
index 3b516576a0..8c1eaf8b06 100644
--- a/src/AbpDesk/AbpDesk.Application/AbpDesk/Tickets/TicketAppService.cs
+++ b/src/AbpDesk/AbpDesk.Application/AbpDesk/Tickets/TicketAppService.cs
@@ -17,7 +17,7 @@ namespace AbpDesk.Tickets
         public ListResultDto<TicketDto> GetAll()
         {
             var tickets = _ticketRepository
-                .GetAllList()
+                .GetList()
                 .Select(t => new TicketDto { Id = t.Id, Title = t.Title, Body = t.Body })
                 .ToList();
 
diff --git a/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/Repositories/EntityFrameworkCore/EfCoreRepository.cs b/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/Repositories/EntityFrameworkCore/EfCoreRepository.cs
index 4b42e628b8..4ddf2a0c18 100644
--- a/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/Repositories/EntityFrameworkCore/EfCoreRepository.cs
+++ b/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/Repositories/EntityFrameworkCore/EfCoreRepository.cs
@@ -1,5 +1,7 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.Linq;
+using System.Linq.Expressions;
 using System.Threading.Tasks;
 using Microsoft.EntityFrameworkCore;
 using Volo.Abp.Domain.Entities;
@@ -8,9 +10,9 @@ using Volo.Abp.EntityFrameworkCore;
 
 namespace Volo.Abp.Repositories.EntityFrameworkCore
 {
-    //TODO: Override async versions
+    //TODO: Override async versions and others
 
-    public class EfCoreRepository<TDbContext, TEntity, TPrimaryKey> : RepositoryBase<TEntity, TPrimaryKey>
+    public class EfCoreRepository<TDbContext, TEntity, TPrimaryKey> : QueryableRepositoryBase<TEntity, TPrimaryKey>
         where TDbContext : AbpDbContext<TDbContext>
         where TEntity : class, IEntity<TPrimaryKey>
     {
@@ -23,19 +25,19 @@ namespace Volo.Abp.Repositories.EntityFrameworkCore
             DbContext = dbContext;
         }
 
-        public override List<TEntity> GetAllList()
+        public override IQueryable<TEntity> GetQueryable()
         {
-            return GetQueryable().ToList();
+            return DbSet;
         }
 
-        public override Task<List<TEntity>> GetAllListAsync()
+        public override Task<List<TEntity>> GetListAsync()
         {
             return GetQueryable().ToListAsync();
         }
 
-        public override TEntity Get(TPrimaryKey id)
+        public override async Task<TEntity> GetAsync(TPrimaryKey id)
         {
-            var entity = FirstOrDefault(id);
+            var entity = await FirstOrDefaultAsync(id);
             if (entity == null)
             {
                 throw new EntityNotFoundException(typeof(TEntity), id);
@@ -49,40 +51,53 @@ namespace Volo.Abp.Repositories.EntityFrameworkCore
             return DbSet.Find(id);
         }
 
+        public override Task<TEntity> FirstOrDefaultAsync(TPrimaryKey id)
+        {
+            return DbSet.FindAsync(id);
+        }
+
+        public override Task<TEntity> FirstOrDefaultAsync(Expression<Func<TEntity, bool>> predicate)
+        {
+            return GetQueryable().FirstOrDefaultAsync(predicate);
+        }
+
         public override TEntity Insert(TEntity entity)
         {
             return DbSet.Add(entity).Entity;
         }
 
-        public override TEntity Update(TEntity entity)
+        public override TPrimaryKey InsertAndGetId(TEntity entity)
         {
-            return DbSet.Update(entity).Entity;
+            var insertedEntity = Insert(entity);
+            DbContext.SaveChanges();
+            return insertedEntity.Id;
         }
 
-        public override void Delete(TEntity entity)
+        public override async Task<TPrimaryKey> InsertAndGetIdAsync(TEntity entity)
         {
-            DbSet.Remove(entity);
+            var insertedEntity = await InsertAsync(entity);
+            await DbContext.SaveChangesAsync();
+            return insertedEntity.Id;
         }
 
-        public override void Delete(TPrimaryKey id)
+        public override TEntity Update(TEntity entity)
         {
-            var entity = FirstOrDefault(id);
-            if (entity == null)
-            {
-                return;
-            }
+            return DbSet.Update(entity).Entity;
+        }
 
-            Delete(entity);
+        public override void Delete(TEntity entity)
+        {
+            DbSet.Remove(entity);
         }
 
-        public override int Count()
+        public override Task<int> CountAsync()
         {
-            return GetQueryable().Count();
+            return DbSet.CountAsync();
         }
 
-        protected virtual IQueryable<TEntity> GetQueryable()
+        public override Task<int> CountAsync(Expression<Func<TEntity, bool>> predicate)
         {
-            return DbSet;
+            return DbSet.CountAsync(predicate);
         }
     }
 }
diff --git a/src/Volo.Abp/Volo/Abp/Domain/Repositories/IQueryableRepository.cs b/src/Volo.Abp/Volo/Abp/Domain/Repositories/IQueryableRepository.cs
index 4a802d5505..5e20db10bb 100644
--- a/src/Volo.Abp/Volo/Abp/Domain/Repositories/IQueryableRepository.cs
+++ b/src/Volo.Abp/Volo/Abp/Domain/Repositories/IQueryableRepository.cs
@@ -14,21 +14,21 @@ namespace Volo.Abp.Domain.Repositories
         /// Used to get a IQueryable that is used to retrieve entities from entire table.
         /// </summary>
         /// <returns>IQueryable to be used to select entities from database</returns>
-        IQueryable<TEntity> GetAll();
+        IQueryable<TEntity> GetQueryable();
 
         /// <summary>
         /// Used to get all entities based on given <paramref name="predicate"/>.
         /// </summary>
         /// <param name="predicate">A condition to filter entities</param>
         /// <returns>List of all entities</returns>
-        List<TEntity> GetAllList(Expression<Func<TEntity, bool>> predicate);
+        List<TEntity> GetList(Expression<Func<TEntity, bool>> predicate);
 
         /// <summary>
         /// Used to get all entities based on given <paramref name="predicate"/>.
         /// </summary>
         /// <param name="predicate">A condition to filter entities</param>
         /// <returns>List of all entities</returns>
-        Task<List<TEntity>> GetAllListAsync(Expression<Func<TEntity, bool>> predicate);
+        Task<List<TEntity>> GetListAsync(Expression<Func<TEntity, bool>> predicate);
 
         /// <summary>
         /// Gets an entity with given given predicate or null if not found.
diff --git a/src/Volo.Abp/Volo/Abp/Domain/Repositories/IRepository.cs b/src/Volo.Abp/Volo/Abp/Domain/Repositories/IRepository.cs
index 8d2b31876e..85f1fbda6b 100644
--- a/src/Volo.Abp/Volo/Abp/Domain/Repositories/IRepository.cs
+++ b/src/Volo.Abp/Volo/Abp/Domain/Repositories/IRepository.cs
@@ -14,13 +14,13 @@ namespace Volo.Abp.Domain.Repositories
         /// Used to get all entities.
         /// </summary>
         /// <returns>List of all entities</returns>
-        List<TEntity> GetAllList();
+        List<TEntity> GetList();
 
         /// <summary>
         /// Used to get all entities.
         /// </summary>
         /// <returns>List of all entities</returns>
-        Task<List<TEntity>> GetAllListAsync();
+        Task<List<TEntity>> GetListAsync();
 
         /// <summary>
         /// Gets an entity with given primary key.
diff --git a/src/Volo.Abp/Volo/Abp/Domain/Repositories/QueryableRepositoryBase.cs b/src/Volo.Abp/Volo/Abp/Domain/Repositories/QueryableRepositoryBase.cs
index f490606b49..a337602e5e 100644
--- a/src/Volo.Abp/Volo/Abp/Domain/Repositories/QueryableRepositoryBase.cs
+++ b/src/Volo.Abp/Volo/Abp/Domain/Repositories/QueryableRepositoryBase.cs
@@ -10,23 +10,45 @@ namespace Volo.Abp.Domain.Repositories
     public abstract class QueryableRepositoryBase<TEntity, TPrimaryKey> : RepositoryBase<TEntity, TPrimaryKey>, IQueryableRepository<TEntity, TPrimaryKey>
         where TEntity : class, IEntity<TPrimaryKey>
     {
-        public abstract IQueryable<TEntity> GetAll();
+        public abstract IQueryable<TEntity> GetQueryable();
 
-        public abstract List<TEntity> GetAllList(Expression<Func<TEntity, bool>> predicate);
+        public override List<TEntity> GetList()
+        {
+            return GetQueryable().ToList();
+        }
 
-        public virtual Task<List<TEntity>> GetAllListAsync(Expression<Func<TEntity, bool>> predicate)
+        public virtual List<TEntity> GetList(Expression<Func<TEntity, bool>> predicate)
         {
-            return Task.FromResult(GetAllList(predicate));
+            return GetQueryable().Where(predicate).ToList();
         }
 
-        public abstract TEntity FirstOrDefault(Expression<Func<TEntity, bool>> predicate);
+        public virtual Task<List<TEntity>> GetListAsync(Expression<Func<TEntity, bool>> predicate)
+        {
+            return Task.FromResult(GetList(predicate));
+        }
+
+        public override TEntity FirstOrDefault(TPrimaryKey id)
+        {
+            return FirstOrDefault(CreateEqualityExpressionForId(id));
+        }
+
+        public virtual TEntity FirstOrDefault(Expression<Func<TEntity, bool>> predicate)
+        {
+            return GetQueryable().FirstOrDefault(predicate);
+        }
 
         public virtual Task<TEntity> FirstOrDefaultAsync(Expression<Func<TEntity, bool>> predicate)
         {
             return Task.FromResult(FirstOrDefault(predicate));
         }
 
-        public abstract void Delete(Expression<Func<TEntity, bool>> predicate);
+        public virtual void Delete(Expression<Func<TEntity, bool>> predicate)
+        {
+            foreach (var entity in GetQueryable().Where(predicate).ToList())
+            {
+                Delete(entity);
+            }
+        }
 
         public virtual Task DeleteAsync(Expression<Func<TEntity, bool>> predicate)
         {
@@ -34,7 +56,15 @@ namespace Volo.Abp.Domain.Repositories
             return Task.CompletedTask;
         }
 
-        public abstract int Count(Expression<Func<TEntity, bool>> predicate);
+        public override int Count()
+        {
+            return GetQueryable().Count();
+        }
+
+        public virtual int Count(Expression<Func<TEntity, bool>> predicate)
+        {
+            return GetQueryable().Count(predicate);
+        }
 
         public virtual Task<int> CountAsync(Expression<Func<TEntity, bool>> predicate)
         {
diff --git a/src/Volo.Abp/Volo/Abp/Domain/Repositories/RepositoryBase.cs b/src/Volo.Abp/Volo/Abp/Domain/Repositories/RepositoryBase.cs
index 1d78d64444..af24a4fc0a 100644
--- a/src/Volo.Abp/Volo/Abp/Domain/Repositories/RepositoryBase.cs
+++ b/src/Volo.Abp/Volo/Abp/Domain/Repositories/RepositoryBase.cs
@@ -9,14 +9,23 @@ namespace Volo.Abp.Domain.Repositories
     public abstract class RepositoryBase<TEntity, TPrimaryKey> : IRepository<TEntity, TPrimaryKey>
         where TEntity : class, IEntity<TPrimaryKey>
     {
-        public abstract List<TEntity> GetAllList();
+        public abstract List<TEntity> GetList();
 
-        public virtual Task<List<TEntity>> GetAllListAsync()
+        public virtual Task<List<TEntity>> GetListAsync()
         {
-            return Task.FromResult(GetAllList());
+            return Task.FromResult(GetList());
         }
 
-        public abstract TEntity Get(TPrimaryKey id);
+        public virtual TEntity Get(TPrimaryKey id)
+        {
+            var entity = FirstOrDefault(id);
+            if (entity == null)
+            {
+                throw new EntityNotFoundException(typeof(TEntity), id);
+            }
+
+            return entity;
+        }
 
         public virtual Task<TEntity> GetAsync(TPrimaryKey id)
         {
@@ -62,7 +71,16 @@ namespace Volo.Abp.Domain.Repositories
             return Task.CompletedTask;
         }
 
-        public abstract void Delete(TPrimaryKey id);
+        public virtual void Delete(TPrimaryKey id)
+        {
+            var entity = FirstOrDefault(id);
+            if (entity == null)
+            {
+                return;
+            }
+
+            Delete(entity);
+        }
 
         public virtual Task DeleteAsync(TPrimaryKey id)
         {
diff --git a/src/Volo.Abp/project.json b/src/Volo.Abp/project.json
index 3d3d725d50..7da01df4ed 100644
--- a/src/Volo.Abp/project.json
+++ b/src/Volo.Abp/project.json
@@ -8,7 +8,8 @@
     "Volo.ExtensionMethods": "1.0.0-*",
     "Newtonsoft.Json": "9.0.1",
     "Nito.AsyncEx.Context": "1.1.0",
-    "System.Runtime.Loader": "4.3.0" 
+    "System.Runtime.Loader": "4.3.0",
+    "System.Linq.Queryable": "4.3.0" 
   },
 
   "frameworks": {