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cast函數(shù)

  • Oracle cast函數(shù)對(duì)用戶數(shù)據(jù)進(jìn)行類(lèi)型轉(zhuǎn)換

    一、cast函數(shù)    cast函數(shù)的作用是對(duì)用戶輸入的數(shù)據(jù)進(jìn)行數(shù)據(jù)類(lèi)型轉(zhuǎn)換，比如用戶數(shù)據(jù)的數(shù)據(jù)時(shí)number類(lèi)型，小數(shù)位數(shù)是3位，我們可以將用戶數(shù)據(jù)轉(zhuǎn)換成××

    作者：oracle夢(mèng)想
    2020-10-12 14:35:14