diff --git a/infotro/SDi/labs/database/README.md b/infotro/SDi/labs/database/README.md
index 0b50de5..8f14d03 100644
--- a/infotro/SDi/labs/database/README.md
+++ b/infotro/SDi/labs/database/README.md
@@ -100,10 +100,204 @@ WHERE `Function`.`functionID` > '10' AND `Function`.`description` like '%preset%
> "Save preset"
#### 6) the product of the tables `Code` and `FunctionList` (with and without the `JOIN` keyword), as well as the number of entries in the resulting product table
+With JOIN keyword
+26 elements in 0,0003 seconds
+```sql
+SELECT `Code`.`codeValue`, `FunctionList`.`modelID`, `FunctionList`.`functionID`
+FROM `Code`
+JOIN `FunctionList`
+ON `Code`.`codeID` = `FunctionList`.`codeID`;
+```
+> [!NOTE|label:Result]
+> "codeValue","modelID","functionID"
+> "7","1","1"
+> "124","1","10"
+> "125","1","16"
+> "547","1","9"
+> "698","1","4"
+> "59409854","3","8"
+> "78546723","3","7"
+> "81298355","3","16"
+> "84578346","3","9"
+> "84793478","3","10"
+> "95847623","3","14"
+> "458945040","2","17"
+> "458945041","2","18"
+> "458945042","2","2"
+> "458945043","2","3"
+> "458945044","2","21"
+> "458945045","2","22"
+> "1164736495","4","19"
+> "1164736496","4","20"
+> "1184894580","4","11"
+> "1184894581","4","12"
+> "1184894582","4","13"
+> "1184894589","4","15"
+> "1948573644","4","5"
+> "1948573645","4","6"
+> "1948573646","1","8"
+
+
+Without JOIN keyword
+26 elements in 0,0002 seconds
+```sql
+SELECT `Code`.`codeValue`, `FunctionList`.`modelID`, `FunctionList`.`functionID`
+FROM `Code`, `FunctionList`
+WHERE `Code`.`codeID` = `FunctionList`.`codeID`;
+```
+> [!NOTE|label:Result]
+> "codeValue","modelID","functionID"
+> "7","1","1"
+> "124","1","10"
+> "125","1","16"
+> "547","1","9"
+> "698","1","4"
+> "59409854","3","8"
+> "78546723","3","7"
+> "81298355","3","16"
+> "84578346","3","9"
+> "84793478","3","10"
+> "95847623","3","14"
+> "458945040","2","17"
+> "458945041","2","18"
+> "458945042","2","2"
+> "458945043","2","3"
+> "458945044","2","21"
+> "458945045","2","22"
+> "1164736495","4","19"
+> "1164736496","4","20"
+> "1184894580","4","11"
+> "1184894581","4","12"
+> "1184894582","4","13"
+> "1184894589","4","15"
+> "1948573644","4","5"
+> "1948573645","4","6"
+> "1948573646","1","8"
+
+#### 7) All `codeValue` for `modelID 4`
+```sql
+SELECT `Code`.`codeValue`
+FROM `Code`
+CROSS JOIN `FunctionList`
+ON `Code`.`codeID` = `FunctionList`.`codeID`
+WHERE `FunctionList`.`modelID` = 4;
+```
+> [!NOTE|label:Result]
+> "codeValue"
+> "1948573644"
+> "1948573645"
+> "1184894580"
+> "1184894581"
+> "1184894582"
+> "1184894589"
+> "1164736495"
+> "1164736496"
+
+#### 8) The number of `codeValue` for `modelID 4`
+```sql
+SELECT COUNT(`Code`.`codeValue`)
+FROM `Code`
+JOIN `FunctionList`
+ON `Code`.`codeID` = `FunctionList`.`codeID`
+WHERE `FunctionList`.`modelID` = 4;
+```
+> [!NOTE|label:Result]
+> 8
+
+#### 9) All `codeValue` and `functionLabel` for Model with `modelName “SDi-Tuner-01”`
+```sql
+SELECT `Code`.`codeValue`, `Function`.`functionLabel`
+FROM `Model`
+JOIN `FunctionList` ON `Model`.`modelID` = `FunctionList`.`modelID`
+JOIN `Code` ON `FunctionList`.`codeID` = `Code`.`codeID`
+JOIN `Function` ON `FunctionList`.`functionID` = `Function`.`functionID`
+WHERE `Model`.`modelName` like 'SDi-Tuner-01'
+```
+> [!NOTE|label:Result]
+> "codeValue","functionLabel"
+> "1948573644","Frequency down"
+> "1948573645","Frequency up"
+> "1184894580","Preset 1"
+> "1184894581","Preset 2"
+> "1184894582","Preset 3"
+> "1184894589","Save preset"
+> "1164736495","Tune down"
+> "1164736496","Tune up"
+
+#### 10) The number of `Function` items per `modelName`
+```sql
+SELECT `Model`.`modelName`, COUNT(`FunctionList`.`functionID`)
+FROM `Model`
+LEFT JOIN `FunctionList` ON `Model`.`modelID` = `FunctionList`.`modelID`
+GROUP BY `Model`.`modelName`
+```
+> [!NOTE|label:Result]
+> "modelName","COUNT(`FunctionList`.`functionID`)"
+> "MHC-900","6"
+> "SDi-Ampli-01","6"
+> "SDi-CdDvd-01","6"
+> "SDi-Tuner-01","8"
+> "UBP-X800M2","0"
+> "TX-RZ70","0"
+
+
+#### 11) All `functionLabel` and `description` with their corresponding `modelID`, `functionID` and `codeID`. Be sure to include all `functionLabel` even if they are not used in any device !
+```sql
+SELECT `Function`.`functionLabel`, `Function`.`description`, `FunctionList`.`modelID`, `FunctionList`.`codeID`
+FROM `FunctionList`
+RIGHT JOIN `Function` ON `FunctionList`.`functionID` = `Function`.`functionID`;
+```
+> [!NOTE|label:Result]
+> "functionLabel","description","modelID","codeID"
+> "Back","Fast backwards","1","1"
+> "Bass down","Raise up the low frequencies. Cut off frequency : 200 Hz","2","14"
+> "Bass up","Reduce the low frequencies. Cut off frequency : 200 Hz","2","15"
+> "Forward","Fast forwards","1","5"
+> "Frequency down","Tunes down","4","24"
+> "Frequency up","Tunes up","4","25"
+> "Next","Plays to the next track","3","7"
+> "Open/Close tray","Open or close the player's tray","1","26"
+> "Open/Close tray","Open or close the player's tray","3","6"
+> "Pause","Pauses the current track","1","4"
+> "Pause","Pauses the current track","3","9"
+> "Play","Plays the selected track","1","2"
+> "Play","Plays the selected track","3","10"
+> Preset 1","Select the preset 1","4","20"
+> "Preset 2","Select the preset 2","4","21"
+> "Preset 3","Select the preset 3","4","22"
+> "Previous","Plays to the previous track","3","11"
+> "Save preset","Stores the current frequency to a preset","4","23"
+> "Stop","Stops the current track","1","3"
+> "Stop","Stops the current track","3","8"
+> "Treble down","Reduce the high frequencies.Cut off frequency : 4000 Hz","2","12"
+> "Treble up","Raise up the high frequencies. Cut off frequency : 4000 Hz","2","13"
+> "Tune down","Slow down fine tuning","4","18""Tune up","Slow up fine tuning","4","19"
+> "Volume down","Raise up the volume","2","16"
+> "Volume up","Reduce the volume","2","17"
+> "Input source","Select the source of the input (BD, DVD, HDMI, ...)",NULL,NULL
+> "Audio format","Select the Audio format to use with the current source (2ch stereo, 5.1, 7.2, 9.2, ...)",NULL,NULL
+
+
+#### 12) All `functionLabel` and `description` of non-used functions in any device. (insert beforehand a new function in `Function`, with no reference in the `FunctionList` table). Add an unused function in the CSV file
+```sql
+SELECT `Function`.`functionLabel`, `Function`.`description`
+FROM `FunctionList`
+RIGHT JOIN `Function` ON `FunctionList`.`functionID` = `Function`.`functionID`
+WHERE `FunctionList`.`modelID` is NULL
+```
+> [!NOTE|label:Result]
+> "functionLabel","description"
+> "Input source","Select the source of the input (BD, DVD, HDMI, ...)"
+> "Audio format","Select the Audio format to use with the current source (2ch stereo, 5.1, 7.2, 9.2, ...)"
+> "Test Function","This function should not be referenced in the FunctionList"
+
+
+#### 13) Add a VIEW to your DB to list all HEVs appliances with their `manufacturerName`, `modelName`, `typeLabel`, `functionLabel` and `codeValue`
```sql
```
> [!NOTE|label:Result]
>
+
# Test constraints
\ No newline at end of file