MasteringVFP/3/1

=== 欄位型態 ===
VFP 所支援的欄位型態有這些:

{| border=1
!欄位型態
!欄位長度
!小數點
!資料型態
|----
|C
|n
|–
|長度為n的字元欄位,用來存放字元或是字串
|----
|D
|–
|–
|日期
|----
|T
|–
|–
|日期時間
|----
|N
|n
|d
|長度為n,小數點d位的數值欄位
|----
|F
|n
|d
|長度為n,小數點d位的單精度浮點數值欄位
|----
|I
|–
|–
|整數
|----
|B
|–
|d
|雙精度浮點數
|----
|Y
|–
|–
|貨幣型態
|----
|L
|–
|–
|邏輯
|----
|M
|–
|–
|備註
|----
|G
|–
|–
|通用
|}

一般最常用的就是字元,邏輯,日期,數值,備註這幾個型態~其實這些型態就是從早期 dBase 就存在的了;其他的型態則是 Visual FoxPro 所擴充出來的.


















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