diff --git a/sql/gebox.sql b/sql/gebox.sql
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+-- README
+-- Prefix idx_ = index
+-- Prefix fk_  = foreign
+-- Create an index for fast lookups
+-- Defining constraints separately for better readability & maintainability
+-- Prefix p_   = Procedure
+-- Prefix i_   = Input(s)
+-- Prefix v_   = Variable(s)
+-- Prefix o_   = Output(s)
+
+-- Instance table
+
+create table if not exists `gebox_instance` (
+	`id`			int(11) 		not null auto_increment primary key,
+	--`profile`		int(11)			not null,
+	`instance`		varchar(36)		not null,
+	`domain`		longtext		not null,
+	`product`		int(11)			not null,
+	`status`		text			default 'pending',
+	--key 			`idx_profile` 	(`profile`),
+	key 			`idx_product` 	(`product`),
+	--constraint `gebox_instance_fk_profile`
+	--	foreign key (`profile`) references `auth_profile` (`id`)
+	--	on update cascade
+	--	on delete cascade,
+	constraint `gebox_instance_fk_product`
+		foreign key (`product`) references `gebox_package_version` (`id`)
+		on update restrict
+		on delete restrict
+) engine=InnoDB default charset=utf8mb4;
+
+-- Main table
+
+create table if not exists `gebox_package` (
+	`id`			int(11) 		not null auto_increment primary key,
+	`name`			varchar(36)		not null,
+	`desc`			longtext		default null
+) engine=InnoDB default charset=utf8mb4;
+
+create table if not exists `gebox_package_version` (
+	`id`			int(11) 		not null auto_increment primary key,
+	`package`		int(11)			not null,
+	`version`		longtext		not null,
+	`release` 		datetime		default null,
+	key 			`idx_package` 	(`package`),
+	constraint `gebox_instance_fk_package`
+		foreign key (`package`) references `gebox_package` (`id`)
+		on update cascade
+		on delete cascade
+) engine=InnoDB default charset=utf8mb4;