[英]adding a new column and rows to a table access
我在Access中有一個表,如下所示:
+----------+----------+-----------+
| AGP_ID | PRAD_ID | PRAD_TYPE |
+----------+----------+-----------+
| 00803110 | 00803110 | 002 |
| 00803110 | 00803110 | PRI |
| 00803153 | 00803153 | 002 |
| 00803153 | 00803153 | 003 |
| 00803153 | 00803153 | PRI |
+----------+----------+-----------+
我想為每個AGP ID添加一個列Days並在該列中添加一個M,T,W,TH,F,Sat,Sun,每個AGP ID。 新表將如下所示:
+----------+----------+-----------+-----+
| AGP_ID | PRAD_ID | PRAD_TYPE | Day |
+----------+----------+-----------+-----+
| 00803110 | 00803110 | 002 | M |
| 00803110 | 00803110 | PRI | T |
| 00803110 | | | W |
| 00803110 | | | TH |
| 00803110 | | | F |
| 00803110 | | | Sat |
| 00803110 | | | Sun |
| 00803153 | 00803153 | 002 | M |
| 00803153 | 00803153 | 003 | T |
| 00803153 | 00803153 | PRI | W |
| 00803153 | | | TH |
| 00803153 | | | F |
| 00803153 | | | Sat |
| 00803153 | | | Sun |
+----------+----------+-----------+-----+
任何幫助將不勝感激。 我一直在努力,但與我所做的其他事情相比,它似乎是如此簡單。
謝謝。
不確定是否遍歷每個記錄是否是個好主意。 您要求的..嘗試一下;)
將此代碼置於按鈕下,單擊子。
在設計方式下打開表,並以文本(2個字符)的形式插入新的“天”列,以修改select / update sql命令。
Dim myDB As DAO.Database
Dim myRs As DAO.Recordset
Set myDB = CurrentDb
Dim SQL_GET As String
SQL_GET = "SELECT ID from YOUR_TAbLE"
Set myRs = myDB.OpenRecordset(SQL_GET)
Dim mRc As Long
mRc = Nz(myRs.RecordCount, 0)
If Not mRc = 0 Then
Dim dArr(6) As String
dArr(0) = "MO"
dArr(1) = "TU"
dArr(2) = "WE"
dArr(3) = "TH"
dArr(4) = "FR"
dArr(5) = "SA"
dArr(6) = "SU"
Dim SQL_SET As String
Dim I As Integer
I = 0
While Not myRs.EOF
SQL_SET = "UPDATE Your_table SET Day='" & dArr(I) & "' WHERE (ID = " & Nz(myRs("id"), "") & ")"
On Error GoTo ERROR_SQL1:
DBEngine.BeginTrans
myDB.Execute SQL_SET, dbFailOnError
DBEngine.CommitTrans
myRs.MoveNext
If I < 6 Then I = I + 1 Else I = 0
Wend
Else
msgbox "No records found.. :("
End If
EXIT_SUB:
On Error Resume Next
Set myDB = Nothing
Exit Sub
ERROR_SQL1:
DBEngine.Rollback
MsgBox "Error while executing sql_1. " & vbNewLine & "System msg: " & Err.description
GoTo EXIT_SUB
PS:您可以刪除不需要的beginTrans / commitTrans。 我把它作示范。 我也沒有測試此代碼,但應該工作。
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