diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..5ab1384
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,448 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+
+# User-specific files
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+build/
+bld/
+[Bb]in/
+[Oo]bj/
+out/
+target/
+
+# Visual Studio 2015 cache/options directory
+.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# Benchmark Results
+BenchmarkDotNet.Artifacts/
+
+# .NET Core
+project.lock.json
+project.fragment.lock.json
+artifacts/
+**/Properties/launchSettings.json
+# DNX
+project.lock.json
+artifacts/
+
+*.class
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+*.opensdf
+*.sdf
+*.cachefile
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# Visual Studio Trace Files
+*.e2e
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding add-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# AxoCover is a Code Coverage Tool
+.axoCover/*
+!.axoCover/settings.json
+
+# Visual Studio code coverage results
+*.coverage
+*.coveragexml
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+# publish/
+
+# Publish Web Output
+*.azurePubxml
+# TODO: Comment the next line if you want to checkin your web deploy settings 
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# NuGet Packages
+*.nupkg
+# The packages folder can be ignored because of Package Restore
+**/packages/*
+# except build/, which is used as an MSBuild target.
+!**/packages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/packages/repositories.config
+
+# Windows Azure Build Output
+csx/
+*.build.csdef
+
+# Windows Store app package directory
+AppPackages/
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/
+
+# Others
+ClientBin/
+[Ss]tyle[Cc]op.*
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+*.pfx
+*.publishsettings
+node_modules/
+orleans.codegen.cs
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+*.mdf
+*.ldf
+*.ndf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+node_modules/
+
+# Typescript v1 declaration files
+typings/
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
+*.vbw
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# JetBrains Rider
+.idea/
+*.sln.iml
+
+# CodeRush
+.cr/
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
+
+# Cake - Uncomment if you are using it
+# tools/**
+# !tools/packages.config
+
+# Tabs Studio
+*.tss
+
+# Telerik's JustMock configuration file
+*.jmconfig
+
+# BizTalk build output
+*.btp.cs
+*.btm.cs
+*.odx.cs
+*.xsd.cs
+
+# OpenCover UI analysis results
+OpenCover/
+
+/build
+/Build
+/deploy
+/package
+bin/
+obj/
+sql/
+*/obj/debug
+**/Debug
+#ignore thumbnails created by windows
+Thumbs.db
+#Ignore files build by Visual Studio
+*.obj
+*.pdb
+*.user
+*.aps
+*.pch
+*.docstates
+*.vspscc
+*_i.c
+*_p.c
+*.ncb
+*.suo
+*.tlb
+*.dbmdl
+*.schemaview
+*.tlh
+*.cache
+*.ilk
+*.log
+[Bb]in
+[Dd]ebug*/
+*.lib
+*.sbr
+obj/
+[Rr]elease*/
+_ReSharper*/
+[Tt]est[Rr]esult*
+*.docstates
+*.swp
+*.*~
+*.gpState
+*.ReSharper*
+*.preflight
+*.nocommit
+#Ignore Recovery Files made by Excel
+~$*.xlsx
+*.rdl.data
+
+*.jfm
+
+#======================================================================================
+# The below section could possibly be removed as these should be ignored by the above.
+#======================================================================================
+
+samples/in-memory/ticket-reservations/DemoWorkload/obj/Debug/TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs
+*.nupkg
+samples/in-memory/ticket-reservations/packages/CircularGauge.1.0.0/CreatePackageFile.bat
+*.suo
+samples/databases/wide-world-importers/sample-scripts/always-encrypted/PopulateAlwaysEncryptedData/bin/Debug/PopulateAlwaysEncryptedData.exe
+*.pdb
+samples/databases/wide-world-importers/sample-scripts/always-encrypted/PopulateAlwaysEncryptedData/bin/Debug/PopulateAlwaysEncryptedData.vshost.exe
+*.Cache
+samples/databases/wide-world-importers/sample-scripts/always-encrypted/PopulateAlwaysEncryptedData/bin/Debug/PopulateAlwaysEncryptedData.exe.config
+samples/databases/wide-world-importers/sample-scripts/always-encrypted/PopulateAlwaysEncryptedData/obj/Debug/TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs
+samples/databases/wide-world-importers/workload-drivers/vehicle-location-insert/MultithreadedInMemoryTableInsert/obj/Debug/TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs
+*.exe
+samples/features/in-memory/iot-smart-grid/ConsoleClient/bin/Release/DataGenerator.dll
+samples/features/in-memory/iot-smart-grid/ConsoleClient/bin/Release/Reports/PowerDashboard.pbix
+samples/databases/wide-world-importers/wwi-integration-etl/Daily ETL/bin/Development/Daily ETL.ispac
+samples/databases/wide-world-importers/sample-scripts/always-encrypted/PopulateAlwaysEncryptedData/obj/Release/PopulateAlwaysEncryptedData.csproj.FileListAbsolute.txt
+samples/databases/wide-world-importers/sample-scripts/always-encrypted/PopulateAlwaysEncryptedData/bin/Release/PopulateAlwaysEncryptedData.vshost.exe.config
+samples/databases/wide-world-importers/sample-scripts/always-encrypted/PopulateAlwaysEncryptedData/obj/Release/TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs
+*.dll
+samples/features/in-memory/ticket-reservations/DemoWorkload/obj/Release/DemoWorkload.FrmConfig.resources
+samples/features/in-memory/ticket-reservations/DemoWorkload/bin/Release/DemoWorkload.vshost.exe.config
+samples/databases/wide-world-importers/sample-scripts/always-encrypted/PopulateAlwaysEncryptedData/obj/Debug/PopulateAlwaysEncryptedData.csproj.FileListAbsolute.txt
+samples/databases/wide-world-importers/sample-scripts/always-encrypted/PopulateAlwaysEncryptedData/bin/Debug/PopulateAlwaysEncryptedData.vshost.exe.config
+*.zip
+samples/features/in-memory/ticket-reservations/packages/CircularGauge.1.0.0/CreatePackageFile.bat
+samples/features/in-memory/ticket-reservations/TicketReservations/TicketReservations.dbmdl
+samples/databases/wide-world-importers/workload-drivers/vehicle-location-insert/MultithreadedInMemoryTableInsert/obj/Release/TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs
+samples/databases/wide-world-importers/workload-drivers/vehicle-location-insert/MultithreadedInMemoryTableInsert/obj/Debug/MultithreadedInMemoryTableInsert.csproj.FileListAbsolute.txt
+samples/databases/wide-world-importers/sample-scripts/always-encrypted/PopulateAlwaysEncryptedData/obj/Debug/PopulateAlwaysEncryptedData.Properties.Resources.resources
+samples/databases/wide-world-importers/sample-scripts/always-encrypted/PopulateAlwaysEncryptedData/obj/Release/PopulateAlwaysEncryptedData.PopulateAlwaysEncryptedDataMain.resources
+samples/databases/wide-world-importers/sample-scripts/always-encrypted/PopulateAlwaysEncryptedData/bin/Debug/PopulateAlwaysEncryptedData.vshost.exe.manifest
+samples/databases/wide-world-importers/sample-scripts/always-encrypted/PopulateAlwaysEncryptedData/obj/Debug/PopulateAlwaysEncryptedData.PopulateAlwaysEncryptedDataMain.resources
+samples/databases/wide-world-importers/workload-drivers/vehicle-location-insert/MultithreadedInMemoryTableInsert/obj/Release/MultithreadedInMemoryTableInsert.Properties.Resources.resources
+samples/databases/wide-world-importers/sample-scripts/always-encrypted/PopulateAlwaysEncryptedData/obj/Release/PopulateAlwaysEncryptedData.Properties.Resources.resources
+samples/features/in-memory/ticket-reservations/packages/CircularGauge.1.0.0/ReadMe.txt
+*.dacpac
+samples/features/in-memory/ticket-reservations/TicketReservations/obj/Release/Model.xml
+samples/features/in-memory/ticket-reservations/DemoWorkload/obj/Debug/TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs
+*.dat
+
+*.user
+samples/features/in-memory/ticket-reservations/DemoWorkload/obj/Release/TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs
+samples/databases/wide-world-importers/workload-drivers/vehicle-location-insert/MultithreadedInMemoryTableInsert/obj/Debug/TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs
+samples/features/in-memory/ticket-reservations/DemoWorkload/bin/Debug/DemoWorkload.vshost.exe.config
+samples/features/in-memory/ticket-reservations/DemoWorkload/obj/Release/DemoWorkload.Properties.Resources.resources
+samples/databases/wide-world-importers/wwi-integration-etl/Daily ETL/obj/Development/Project.params
+samples/features/in-memory/ticket-reservations/DemoWorkload/obj/Debug/DemoWorkload.csproj.FileListAbsolute.txt
+samples/features/in-memory/iot-smart-grid/Db/obj/Release/Model.xml
+samples/applications/iot-smart-grid/DataGenerator/obj/Debug/TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs
+samples/databases/wide-world-importers/workload-drivers/order-insert/MultithreadedOrderInsert/bin/Debug/MultithreadedOrderInsert.exe.config
+samples/features/in-memory/iot-smart-grid/ConsoleClient/bin/Release/ConsoleClient.exe.config
+*.jfm
+samples/features/in-memory/ticket-reservations/TicketReservations/bin/Release/TicketReservations.publish.sql
+samples/applications/iot-smart-grid/ConsoleClient/bin/Release/ConsoleClient.exe.config
+samples/applications/iot-smart-grid/Db/Db.dbmdl
+samples/databases/wide-world-importers/workload-drivers/order-insert/MultithreadedOrderInsert/obj/Release/TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs
+samples/databases/wide-world-importers/wwi-dw-ssdt/wwi-dw-ssdt/obj/Debug/Model.xml
+samples/databases/wide-world-importers/wwi-dw-ssdt/wwi-dw-ssdt/WideWorldImportersDW.dbmdl
+samples/features/in-memory/iot-smart-grid/WinFormsClient/bin/Release/Reports/PowerDashboard.pbix
+samples/databases/wide-world-importers/wwi-ssdt/wwi-ssdt/WideWorldImporters.dbmdl
+samples/databases/wide-world-importers/workload-drivers/order-insert/MultithreadedOrderInsert/obj/Debug/TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs
+samples/databases/wide-world-importers/wwi-ssasmd/wwi-ssasmd/bin/WWI-SSASMD.asdatabase
+samples/applications/iot-smart-grid/Db/obj/Release/Db.sqlproj.FileListAbsolute.txt
+*.manifest
+samples/applications/iot-smart-grid/WinFormsClient/obj/Debug/TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs
+samples/databases/wide-world-importers/wwi-ssasmd/wwi-ssasmd/obj/Development/IncrementalShapshot.xml
+samples/applications/iot-smart-grid/ConsoleClient/bin/Release/Reports/PowerDashboard.pbix
+samples/applications/iot-smart-grid/Db/obj/Release/Model.xml
+samples/databases/wide-world-importers/workload-drivers/order-insert/MultithreadedOrderInsert/obj/Release/MultithreadedOrderInsert.csproj.FileListAbsolute.txt
+samples/applications/iot-smart-grid/ConsoleClient/obj/Debug/TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs
+samples/applications/iot-smart-grid/WinFormsClient/bin/Release/Client.exe.config
+samples/databases/wide-world-importers/workload-drivers/order-insert/MultithreadedOrderInsert/bin/Release/MultithreadedOrderInsert.exe.config
+samples/databases/wide-world-importers/workload-drivers/order-insert/MultithreadedOrderInsert/obj/Debug/MultithreadedInMemoryTableInsert.MultithreadedOrderInsertMain.resources
+/samples/features/epm-framework/5.0/2Reporting/PolicyReports/PolicyEvaluationErrors.rdl.data
+/samples/features/epm-framework/5.0/2Reporting/PolicyReports/PolicyEvaluationErrorDetails.rdl.data
+/samples/features/epm-framework/5.0/2Reporting/PolicyReports/PolicyEvaluationDetails.rdl.data
+/samples/features/epm-framework/5.0/2Reporting/PolicyReports/PolicyDetails.rdl.data
+/samples/features/epm-framework/5.0/2Reporting/PolicyReports/PolicyDashboard.rdl.data
+/samples/features/epm-framework/5.0/2Reporting/PolicyReports/bin/Debug
+/samples/features/epm-framework/5.0/2Reporting/PolicyReports/PolicyDashboard - Backup.rdl
+/samples/features/epm-framework/5.0/2Reporting/PolicyReports/PolicyDashboardFiltered.rdl.data
+samples/features/sql-management-objects/src/out/CodeCoverage/CodeCoverage.config
+
+# Certificates
+*.pem
+*.p12
+
+# Composer
+/vendor/
\ No newline at end of file
diff --git a/ALT_AJAX.mwb b/ALT_AJAX.mwb
new file mode 100644
index 0000000..aec9c28
Binary files /dev/null and b/ALT_AJAX.mwb differ
diff --git a/ALT_AJAX.sql b/ALT_AJAX.sql
new file mode 100644
index 0000000..0dcb1ac
--- /dev/null
+++ b/ALT_AJAX.sql
@@ -0,0 +1,349 @@
+SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0;
+SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0;
+SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION';
+
+
+DROP SCHEMA IF EXISTS `AJAX_CURR` ;
+CREATE SCHEMA IF NOT EXISTS `AJAX_CURR` DEFAULT CHARACTER SET utf8 ;
+USE `AJAX_CURR` ;
+
+
+DROP TABLE IF EXISTS `AJAX_CURR`.`hub` ;
+
+CREATE TABLE IF NOT EXISTS `AJAX_CURR`.`hub` (
+  `id` INT NOT NULL AUTO_INCREMENT,
+  `model` VARCHAR(45) NOT NULL DEFAULT 'hub',
+  `hub_status` VARCHAR(45) NOT NULL DEFAULT 'offline',
+  `service_life_end_time` DATETIME NULL DEFAULT (CURRENT_DATE + INTERVAL 10 YEAR),
+  `warranty_end_time` DATETIME NULL DEFAULT (CURRENT_DATE + INTERVAL 2 YEAR),
+  `users_max` INT NULL DEFAULT 50,
+  `rooms_max` INT NULL DEFAULT 50,
+  `devices_max` INT NULL DEFAULT 100,
+  `sirens_max` INT NULL DEFAULT 10,
+  `on_battery` BIT NULL DEFAULT 0,
+  PRIMARY KEY (`id`))
+ENGINE = InnoDB;
+
+INSERT INTO `AJAX_CURR`.`hub` (`id`,`model`,`hub_status`,`service_life_end_time`,`warranty_end_time`,`users_max`,`rooms_max`,`devices_max`,`sirens_max`,`on_battery`)
+VALUES (1,'hub_plus','online',(CURRENT_DATE + INTERVAL 15 YEAR),(CURRENT_DATE + INTERVAL 5 YEAR),99,50,150,10,0);
+INSERT INTO `AJAX_CURR`.`hub` (`id`,`model`,`hub_status`,`service_life_end_time`,`warranty_end_time`,`users_max`,`rooms_max`,`devices_max`,`sirens_max`,`on_battery`)
+VALUES (2,'hub','offline',default,default,default,default,100,10,0);
+INSERT INTO `AJAX_CURR`.`hub` (`id`,`model`,`hub_status`,`service_life_end_time`,`warranty_end_time`,`users_max`,`rooms_max`,`devices_max`,`sirens_max`,`on_battery`)
+VALUES (3,'hub2_2g','online',default,default,default,default,150,20,1);
+INSERT INTO `AJAX_CURR`.`hub` (`id`,`model`,`hub_status`,`service_life_end_time`,`warranty_end_time`,`users_max`,`rooms_max`,`devices_max`,`sirens_max`,`on_battery`)
+VALUES (4,'hub2_4g','online',default,default,150,default,150,20,1);
+INSERT INTO `AJAX_CURR`.`hub` (`id`,`model`,`hub_status`,`service_life_end_time`,`warranty_end_time`,`users_max`,`rooms_max`,`devices_max`,`sirens_max`,`on_battery`)
+VALUES (5,'hub2_4g','online',default,default,150,default,150,20,0);
+INSERT INTO `AJAX_CURR`.`hub` (`id`,`model`,`hub_status`,`service_life_end_time`,`warranty_end_time`,`users_max`,`rooms_max`,`devices_max`,`sirens_max`,`on_battery`)
+VALUES (6,'hub2_plus','online',default,default,200,default,200,20,0);
+INSERT INTO `AJAX_CURR`.`hub` (`id`,`model`,`hub_status`,`service_life_end_time`,`warranty_end_time`,`users_max`,`rooms_max`,`devices_max`,`sirens_max`,`on_battery`)
+VALUES (7,'hub2_2g','online',default,default,default,default,150,20,1);
+INSERT INTO `AJAX_CURR`.`hub` (`id`,`model`,`hub_status`,`service_life_end_time`,`warranty_end_time`,`users_max`,`rooms_max`,`devices_max`,`sirens_max`,`on_battery`)
+VALUES (8,'hub','offline',default,default,default,default,100,10,0);
+INSERT INTO `AJAX_CURR`.`hub` (`id`,`model`,`hub_status`,`service_life_end_time`,`warranty_end_time`,`users_max`,`rooms_max`,`devices_max`,`sirens_max`,`on_battery`)
+VALUES (9,'hub2_4g','online',default,default,150,default,150,20,0);
+INSERT INTO `AJAX_CURR`.`hub` (`id`,`model`,`hub_status`,`service_life_end_time`,`warranty_end_time`,`users_max`,`rooms_max`,`devices_max`,`sirens_max`,`on_battery`)
+VALUES (10,'hub_plus','online',(CURRENT_DATE + INTERVAL 20 YEAR),(CURRENT_DATE + INTERVAL 10 YEAR),99,50,150,10,0);
+
+DROP TABLE IF EXISTS `AJAX_CURR`.`devices_group` ;
+
+CREATE TABLE IF NOT EXISTS `AJAX_CURR`.`devices_group` (
+  `id` INT NOT NULL AUTO_INCREMENT,
+  `group_name` VARCHAR(45) NOT NULL,
+  PRIMARY KEY (`id`))
+ENGINE = InnoDB;
+
+INSERT INTO `AJAX_CURR`.`devices_group` (`id`,`group_name`)
+VALUES
+  (1,'kitchen'),
+  (2,'garage'),
+  (3,'staff room'),
+  (4,'entrance'),
+  (5,'back alley'),
+  (6,'outside'),
+  (7,'living room'),
+  (8,'basement'),
+  (9,'bathroom'),
+  (10,'office');
+
+DROP TABLE IF EXISTS `AJAX_CURR`.`device`;
+
+CREATE TABLE IF NOT EXISTS `ajax_curr`.`device` (
+  `id` INT NOT NULL AUTO_INCREMENT,
+  `model` VARCHAR(45) NOT NULL DEFAULT 'unknown',
+  `device_status` VARCHAR(45) NOT NULL DEFAULT 'offline',
+  `service_life_end_time` DATETIME NULL DEFAULT (curdate() + interval 10 year),
+  `warranty_end_time` DATETIME NULL DEFAULT (curdate() + interval 2 year),
+  `on_battery` BIT(1) NULL DEFAULT b'0',
+  `hub_id` INT NULL DEFAULT NULL,
+  `devices_group_id` INT NULL DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  INDEX `fk_device_hub_idx` (`hub_id` ASC) VISIBLE,
+  INDEX `fk_device_device_group1_idx` (`devices_group_id` ASC) VISIBLE,
+  CONSTRAINT `fk_device_device_group1_idx`
+    FOREIGN KEY (`devices_group_id`)
+    REFERENCES `AJAX_CURR`.`devices_group` (`id`)
+    ON DELETE NO ACTION
+    ON UPDATE NO ACTION,
+  CONSTRAINT `fk_device_hub_idx`
+    FOREIGN KEY (`hub_id`)
+    REFERENCES `AJAX_CURR`.`hub` (`id`)
+    ON DELETE NO ACTION
+    ON UPDATE NO ACTION
+  )
+ENGINE = InnoDB;
+
+INSERT INTO `AJAX_CURR`.`device` (`id`,`model`,`device_status`,`service_life_end_time`,`warranty_end_time`,`on_battery`,`hub_id`,`devices_group_id`)
+VALUES (1,'motion_cam','online',default,default,1,1,1);
+INSERT INTO `AJAX_CURR`.`device` (`id`,`model`,`device_status`,`service_life_end_time`,`warranty_end_time`,`on_battery`,`hub_id`,`devices_group_id`)
+VALUES (2,'motion_protect','online',default,default,1,2,1);
+INSERT INTO `AJAX_CURR`.`device` (`id`,`model`,`device_status`,`service_life_end_time`,`warranty_end_time`,`on_battery`,`hub_id`,`devices_group_id`)
+VALUES (3,'motion_protect_plus','online',(CURRENT_DATE + INTERVAL 20 YEAR),(CURRENT_DATE + INTERVAL 10 YEAR),0,2,1);
+INSERT INTO `AJAX_CURR`.`device` (`id`,`model`,`device_status`,`service_life_end_time`,`warranty_end_time`,`on_battery`,`hub_id`,`devices_group_id`)
+VALUES (4,'combi_protect','online',default,default,0,2,1);
+INSERT INTO `AJAX_CURR`.`device` (`id`,`model`,`device_status`,`service_life_end_time`,`warranty_end_time`,`on_battery`,`hub_id`,`devices_group_id`)
+VALUES (5,'motion_protect_curtain','offline',default,default,1,4,1);
+INSERT INTO `AJAX_CURR`.`device` (`id`,`model`,`device_status`,`service_life_end_time`,`warranty_end_time`,`on_battery`,`hub_id`,`devices_group_id`)
+VALUES (6,'door_protect','online',default,default,1,5,3);
+INSERT INTO `AJAX_CURR`.`device` (`id`,`model`,`device_status`,`service_life_end_time`,`warranty_end_time`,`on_battery`,`hub_id`,`devices_group_id`)
+VALUES (7,'glass_protect','online',default,default,1,6,5);
+INSERT INTO `AJAX_CURR`.`device` (`id`,`model`,`device_status`,`service_life_end_time`,`warranty_end_time`,`on_battery`,`hub_id`,`devices_group_id`)
+VALUES (8,'dual_curtain_outdoor','online',(CURRENT_DATE + INTERVAL 18 YEAR),(CURRENT_DATE + INTERVAL 10 YEAR),1,6,10);
+INSERT INTO `AJAX_CURR`.`device` (`id`,`model`,`device_status`,`service_life_end_time`,`warranty_end_time`,`on_battery`,`hub_id`,`devices_group_id`)
+VALUES (9,'glass_protect','offline',default,default,1,6,8);
+INSERT INTO `AJAX_CURR`.`device` (`id`,`model`,`device_status`,`service_life_end_time`,`warranty_end_time`,`on_battery`,`hub_id`,`devices_group_id`)
+VALUES (10,'leaks_protect','online',default,default,1,8,8);
+
+
+DROP TABLE IF EXISTS `AJAX_CURR`.`notification` ;
+
+CREATE TABLE IF NOT EXISTS `AJAX_CURR`.`notification` (
+  `id` INT NOT NULL AUTO_INCREMENT,
+  `timestamp` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  `notification_type` VARCHAR(45) NOT NULL DEFAULT 'warning',
+  `device_id` INT NULL,
+  `hub_id` INT NULL,
+  PRIMARY KEY (`id`),
+  INDEX `fk_notification_device1_idx` (`device_id` ASC) VISIBLE,
+  INDEX `fk_notification_hub1_idx` (`hub_id` ASC) VISIBLE,
+  CONSTRAINT `fk_notification_device1`
+    FOREIGN KEY (`device_id`)
+    REFERENCES `AJAX_CURR`.`device` (`id`)
+    ON DELETE NO ACTION
+    ON UPDATE NO ACTION,
+  CONSTRAINT `fk_notification_hub1`
+    FOREIGN KEY (`hub_id`)
+    REFERENCES `AJAX_CURR`.`hub` (`id`)
+    ON DELETE NO ACTION
+    ON UPDATE NO ACTION)
+ENGINE = InnoDB;
+
+INSERT INTO `AJAX_CURR`.`notification` (`id`,`notification_type`,`device_id`,`hub_id`)
+VALUES (1,'warning',NULL,8);
+INSERT INTO `AJAX_CURR`.`notification` (`id`,`notification_type`,`device_id`,`hub_id`)
+VALUES (2,'alert',1,NULL);
+INSERT INTO `AJAX_CURR`.`notification` (`id`,`notification_type`,`device_id`,`hub_id`)
+VALUES (3,'low_battery',2,NULL);
+INSERT INTO `AJAX_CURR`.`notification` (`id`,`notification_type`,`device_id`,`hub_id`)
+VALUES (4,'door_opened',6,NULL);
+INSERT INTO `AJAX_CURR`.`notification` (`id`,`notification_type`,`device_id`,`hub_id`)
+VALUES (5,'door_closed',6,NULL);
+INSERT INTO `AJAX_CURR`.`notification` (`id`,`notification_type`,`device_id`,`hub_id`)
+VALUES (6,'leak_detected',10,NULL);
+INSERT INTO `AJAX_CURR`.`notification` (`id`,`notification_type`,`device_id`,`hub_id`)
+VALUES (7,'suspicious_activity',4,NULL);
+INSERT INTO `AJAX_CURR`.`notification` (`id`,`notification_type`,`device_id`,`hub_id`)
+VALUES (8,'alert',4,NULL);
+INSERT INTO `AJAX_CURR`.`notification` (`id`,`notification_type`,`device_id`,`hub_id`)
+VALUES (9,'low_battery',8,NULL);
+INSERT INTO `AJAX_CURR`.`notification` (`id`,`notification_type`,`device_id`,`hub_id`)
+VALUES (10,'low_battery',9,NULL);
+
+
+DROP TABLE IF EXISTS `AJAX_CURR`.`users_group` ;
+
+CREATE TABLE IF NOT EXISTS `AJAX_CURR`.`users_group` (
+  `id` INT NOT NULL AUTO_INCREMENT,
+  `group_name` VARCHAR(45) NOT NULL,
+  `group_description` VARCHAR(150) NULL DEFAULT 'Lorem ipsum',
+  `hub_id` INT NULL,
+  PRIMARY KEY (`id`),
+  INDEX `fk_group_hub1_idx` (`hub_id` ASC) VISIBLE,
+  CONSTRAINT `fk_group_hub1`
+    FOREIGN KEY (`hub_id`)
+    REFERENCES `AJAX_CURR`.`hub` (`id`)
+    ON DELETE NO ACTION
+    ON UPDATE NO ACTION)
+ENGINE = InnoDB;
+
+-- groups are made by the hub user
+INSERT INTO `AJAX_CURR`.`users_group` (`id`,`group_name`,`group_description`,`hub_id`)
+VALUES (1,'owners','people who own this hub, have owner privileges',1);
+INSERT INTO `AJAX_CURR`.`users_group` (`id`,`group_name`,`group_description`,`hub_id`)
+VALUES (2,'admins','people who have all posible permissions',1);
+INSERT INTO `AJAX_CURR`.`users_group` (`id`,`group_name`,`group_description`,`hub_id`)
+VALUES (3,'guards','people who can only check devices status',1);
+INSERT INTO `AJAX_CURR`.`users_group` (`id`,`group_name`,`group_description`,`hub_id`)
+VALUES (4,'admins',NULL,3);
+INSERT INTO `AJAX_CURR`.`users_group` (`id`,`group_name`,`group_description`,`hub_id`)
+VALUES (5,'guarding','check devices status',2);
+INSERT INTO `AJAX_CURR`.`users_group` (`id`,`group_name`,`group_description`,`hub_id`)
+VALUES (6,'home',NULL,4);
+INSERT INTO `AJAX_CURR`.`users_group` (`id`,`group_name`,`group_description`,`hub_id`)
+VALUES (7,'random',NULL,4);
+INSERT INTO `AJAX_CURR`.`users_group` (`id`,`group_name`,`group_description`,`hub_id`)
+VALUES (8,'owners','owners of this hub',7);
+INSERT INTO `AJAX_CURR`.`users_group` (`id`,`group_name`,`group_description`,`hub_id`)
+VALUES (9,'children','owners of this hub',7);
+INSERT INTO `AJAX_CURR`.`users_group` (`id`,`group_name`,`group_description`,`hub_id`)
+VALUES (10,'admins','all posible permissions',8);
+
+
+DROP TABLE IF EXISTS `AJAX_CURR`.`user` ;
+
+CREATE TABLE IF NOT EXISTS `AJAX_CURR`.`user` (
+  `id` INT NOT NULL AUTO_INCREMENT,
+  `email` VARCHAR(45) NOT NULL DEFAULT 'somemail@lolbit.com',
+  `user_password` VARCHAR(45) NOT NULL DEFAULT 'admin',
+  `date_created` DATETIME NOT NULL DEFAULT (CURRENT_DATE),
+  `user_name` VARCHAR(45) NOT NULL DEFAULT 'undefined',
+  `users_group_id` INT NULL,
+  PRIMARY KEY (`id`),
+  UNIQUE INDEX `email_UNIQUE` (`email` ASC) VISIBLE,
+  INDEX `fk_user_group1_idx` (`users_group_id` ASC) VISIBLE,
+  CONSTRAINT `fk_user_group1`
+    FOREIGN KEY (`users_group_id`)
+    REFERENCES `AJAX_CURR`.`users_group` (`id`)
+    ON DELETE NO ACTION
+    ON UPDATE NO ACTION)
+ENGINE = InnoDB;
+
+INSERT INTO `AJAX_CURR`.`user` (`id`,`email`,`user_password`,`date_created`,`user_name`,`users_group_id`)
+VALUES
+  (1,'sit.amet.risus@aol.couk','CXY46CKU5LF','2021-10-26 12:15:35','Adrian',7),
+  (2,'tristique.pellentesque.tellus@hotmail.net','FLD22VJW7LP','2022-04-8 10:50:14','Oprah',7),
+  (3,'at.iaculis@google.net','RSL21QLS2YI','2022-07-9 10:05:04','John',1),
+  (4,'enim.consequat@protonmail.ca','PUP58PPI6UG','2021-12-21 05:08:33','Flynn',7),
+  (5,'ac.mattis@protonmail.ca','XIP05FJS3AK','2022-03-16 07:39:47','Ila',1),
+  (6,'nam.consequat.dolor@protonmail.ca','ZWW48EZV4AV','2023-02-3 10:39:57','Chantale',4),
+  (7,'turpis@yahoo.net','DDS68LMQ8DY','2023-02-18 07:22:40','Aurora',6),
+  (8,'egestas.urna@hotmail.net','CTV39QYI4NV','2022-10-2 11:55:40','Elliott',4),
+  (9,'velit.eget@protonmail.net','OJG06TKO7NN','2022-01-5 10:02:07','Wilma',5),
+  (10,'consectetuer@yahoo.org','NLN85RUU2CS','2021-11-25 03:26:39','Drake',10);
+
+
+DROP TABLE IF EXISTS `AJAX_CURR`.`user_has_hub` ;
+
+CREATE TABLE IF NOT EXISTS `AJAX_CURR`.`user_has_hub` (
+  `user_id` INT NOT NULL,
+  `hub_id` INT NOT NULL,
+  PRIMARY KEY (`user_id`, `hub_id`),
+  INDEX `fk_user_has_hub_hub1_idx` (`hub_id` ASC) VISIBLE,
+  INDEX `fk_user_has_hub_user1_idx` (`user_id` ASC) VISIBLE,
+  CONSTRAINT `fk_user_has_hub_user1`
+    FOREIGN KEY (`user_id`)
+    REFERENCES `AJAX_CURR`.`user` (`id`)
+    ON DELETE NO ACTION
+    ON UPDATE NO ACTION,
+  CONSTRAINT `fk_user_has_hub_hub1`
+    FOREIGN KEY (`hub_id`)
+    REFERENCES `AJAX_CURR`.`hub` (`id`)
+    ON DELETE NO ACTION
+    ON UPDATE NO ACTION)
+ENGINE = InnoDB;
+
+INSERT INTO `AJAX_CURR`.`user_has_hub` (`user_id`,`hub_id`)
+VALUES
+  (10,3),
+  (7,4),
+  (8,6),
+  (3,5),
+  (5,10),
+  (1,1),
+  (8,3),
+  (7,5),
+  (6,3),
+  (1,10);
+
+
+DROP TABLE IF EXISTS `AJAX_CURR`.`permission` ;
+
+CREATE TABLE IF NOT EXISTS `AJAX_CURR`.`permission` (
+  `id` INT NOT NULL AUTO_INCREMENT,
+  `permission_name` VARCHAR(45) NOT NULL,
+  `hub_id` INT NULL,
+  `user_id` INT NULL,
+  `group_id` INT NULL,
+  `device_id` INT NULL,
+  PRIMARY KEY (`id`),
+  INDEX `fk_permission_hub1_idx` (`hub_id` ASC) VISIBLE,
+  INDEX `fk_permission_user1_idx` (`user_id` ASC) VISIBLE,
+  INDEX `fk_permission_group1_idx` (`group_id` ASC) VISIBLE,
+  INDEX `fk_permission_device1_idx` (`device_id` ASC) VISIBLE,
+  CONSTRAINT `fk_permission_hub1`
+    FOREIGN KEY (`hub_id`)
+    REFERENCES `AJAX_CURR`.`hub` (`id`)
+    ON DELETE NO ACTION
+    ON UPDATE NO ACTION,
+  CONSTRAINT `fk_permission_user1`
+    FOREIGN KEY (`user_id`)
+    REFERENCES `AJAX_CURR`.`user` (`id`)
+    ON DELETE NO ACTION
+    ON UPDATE NO ACTION,
+  CONSTRAINT `fk_permission_group1`
+    FOREIGN KEY (`group_id`)
+    REFERENCES `AJAX_CURR`.`users_group` (`id`)
+    ON DELETE NO ACTION
+    ON UPDATE NO ACTION,
+  CONSTRAINT `fk_permission_device1`
+    FOREIGN KEY (`device_id`)
+    REFERENCES `AJAX_CURR`.`device` (`id`)
+    ON DELETE NO ACTION
+    ON UPDATE NO ACTION)
+ENGINE = InnoDB;
+
+INSERT INTO `AJAX_CURR`.`permission` (`id`,`permission_name`,`hub_id`,`user_id`,`group_id`,`device_id`)
+VALUES
+  (1,'change properties of this Hub',1,4,null,null),
+  (2,'add rexes to this hub',1,4,null,null),
+  (4,'remove devices from system',1,4,null,null),
+  (5,'turn on/off',null,null,2,3),
+  (6,'change state',null,7,null,3),
+  (7,'turn on/off',null,7,null,6),
+  (8,'factory reset',1,7,null,null),
+  (9,'add users to groups',1,7,null,null),
+  (10,'create groups',1,7,null,null);
+
+
+DROP TABLE IF EXISTS `AJAX_CURR`.`rex` ;
+
+CREATE TABLE IF NOT EXISTS `AJAX_CURR`.`rex` (
+  `id` INT NOT NULL AUTO_INCREMENT,
+  `rex_name` VARCHAR(45) NOT NULL DEFAULT 'undefined',
+  `rex_range` VARCHAR(45) NOT NULL DEFAULT 'undefined',
+  `hub_id` INT NULL,
+  PRIMARY KEY (`id`),
+  INDEX `fk_rex_hub1_idx` (`hub_id` ASC) VISIBLE,
+  CONSTRAINT `fk_rex_hub1`
+    FOREIGN KEY (`hub_id`)
+    REFERENCES `AJAX_CURR`.`hub` (`id`)
+    ON DELETE NO ACTION
+    ON UPDATE NO ACTION)
+ENGINE = InnoDB;
+
+INSERT INTO `AJAX_CURR`.`rex` (`id`,`rex_name`,`rex_range`,`hub_id`)
+VALUES
+  (1,'rex',1700,2),
+  (2,'rex',1600,4),
+  (3,'rex',1400,8),
+  (4,'rex2',1800,2),
+  (5,'rex2',1700,7),
+  (6,'rex2',1600,7),
+  (7,'rex',1400,6),
+  (8,'rex',1800,4),
+  (9,'rex',1700,8),
+  (10,'rex2',1600,8);
+
+SET SQL_MODE=@OLD_SQL_MODE;
+SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS;
+SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS;
diff --git a/README.md b/README.md
index 681d633..9233559 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,2 @@
-# Databases
- 
+# Lab 1
+<h1>Variant 11 - Ajax Systems</h1>