好的我有一张看起来像这样的桌子
ItemID | ColumnName | Value
1 | name | Peter
1 | phone | 12345678
1 | email | peter@host.com
2 | name | John
2 | phone | 87654321
2 | email | john@host.com
3 | name | Sarah
3 | phone | 55667788
3 | email | sarah@host.com
现在我需要把它变成这个:
ItemID | name | phone | email
1 | Peter | 12345678 | peter@host.com
2 | John | 87654321 | john@host.com
3 | Sarah | 55667788 | sarah@host.com …