diff --git a/GBase/Interfaces/IGBase.cs b/GBase/Interfaces/IGBase.cs
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+++ b/GBase/Interfaces/IGBase.cs
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+// Author: Gockner, Simon
+// Created: 2020-01-24
+// Copyright(c) 2020 SimonG. All Rights Reserved.
+
+using System;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace GBase.Interfaces
+{
+    /// <summary>
+    /// The base class of the GBase database
+    /// </summary>
+    public interface IGBase : IAsyncDisposable
+    {
+        /// <summary>
+        /// The <see cref="IGBaseTable"/>s of this <see cref="IGBase"/>
+        /// </summary>
+        List<IGBaseTable> Tables { get; }
+
+
+        /// <summary>
+        /// Initialize this <see cref="IGBase"/>
+        /// </summary>
+        /// <param name="cancellationToken">A <see cref="CancellationToken"/> to cancel the asynchronous operation</param>
+        /// <returns>True if successful, false if not</returns>
+        Task<bool> Init(CancellationToken cancellationToken);
+
+        /// <summary>
+        /// Add a given <see cref="IGBaseTable"/> to this <see cref="IGBase"/>
+        /// </summary>
+        /// <param name="table">The given <see cref="IGBaseTable"/></param>
+        /// <returns>True if successful, false if not</returns>
+        bool AddTable(IGBaseTable table);
+
+        /// <summary>
+        /// Removes a given <see cref="IGBaseTable"/> from this <see cref="IGBase"/>
+        /// </summary>
+        /// <param name="table">The given <see cref="IGBaseTable"/></param>
+        /// <returns>True if successful, false if not</returns>
+        bool RemoveTable(IGBaseTable table);
+    }
+}
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