
Explanation of Solution
a.
Deleting query in the table “OWNER”:
Public Function Owner_Delete(I_OWNER_NUM)
Dim strSQL As String
strSQL = "DELETE FROM OWNER WHERE OWNER_NUM = '"
strSQL = strSQL & I_OWNER_NUM
strSQL = strSQL & "'"
DoCmd.RunSQL strSQL
End Function
Explanation:
- Create a function named as “Owner_Delete” and pass an argument “I_OWNER_NUM”.
- Set the strSQL string variable to “DELETE FROM OWNER WHERE OWNER_NUM = '” and make everything necessary in the command including the single quotation mark preceding the order number...
Explanation of Solution
b.
Updating query:
Public Function Owner_Update(I_OWNER_NUM, I_LAST_NAME)
Dim strSQL As String
strSQL = "UPDATE OWNER SET LAST_NAME = '"
strSQL = strSQL & I_LAST_NAME
strSQL = strSQL & "' WHERE OWNER_NUM = '"
strSQL = strSQL & I_OWNER_NUM
strSQL = strSQL & "'"
DoCmd.RunSQL strSQL
End Function
Explanation:
- Create a function named as “Owner_Update” and pass the arguments “I_OWNER_NUM” and “I_LAST_NAME”.
- Set the strSQL string variable to “UPDATE OWNER SET LAST_NAME = '” and make everything necessary in the command including the single quotation mark preceding the order number...
Explanation of Solution
c.
Retrieving the list in the table “CONDO_UNIT”:
Public Function Find_Condos(I_SQR_FT)
Dim rs As New ADODB.Recordset
Dim cnn As ADODB.Connection
Dim strSQL As String
Set cnn = CurrentProject.Connection
strSQL = "SELECT LOCATION_NUM, UNIT_NUM, CONDO_FEE, OWNER_NUM FROM CONDO_UNIT WHERE SQR_FT = "
strSQL = strSQL & I_SQR_FT
rs.Open strSQL, cnn, adOpenStatic, , adCmdText
Do Until rs.EOF
Debug.Print (rs!LOCATION_NUM)
Debug.Print (rs!UNIT_NUM)
Debug.Print (rs!CONDO_FEE)
Debug.Print (rs!OWNER_NUM)
rs.MoveNext
Loop
End Function
Explanation:
- Create a function named as “Find_Condos” and pass an argument “I_SQR_FT”...

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Chapter 8 Solutions
A Guide to SQL
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