簡單的select as語句
select as應該是select case。
下面是簡單的select case語句(vbs腳本語言)。
Select Case MyVar
Case "red"
msgbox "是紅色"
Case "green"
msgbox "是綠色"
Case "blue"
msgbox "是藍色"
Case Else
msgbox "是其它顏色"
End Select
解釋:MyVar是一個變量,當它的值是紅色是,用msgbox彈出提示框,顯示“是紅色”,以下類推。如果不是紅綠藍任何顏色,就顯示“是其它顏色”
select as語句的作用是根據表達式的值執行幾組語句之一。哪個Case 后面的值與變量相同就執行哪個Case下的語句。通常用在多條件判斷的情況下。
請教一個SELECT AS WHERE 語句(關于別名的)
理解錯了
如果AS子句是在數據保存的查詢或者視圖中,那么可以在WHERE子句后使用別名。
--視圖中的列名是查詢的別名 所以在查詢視圖的時候用的列名也是別名
如 create view test as (SELECT OrderID,OrderDate,CustomerID AS Client FROM Orders )
那么在查詢視圖的時候就寫成
select * from test where Client=123
這里的Client就是查詢的別名
sql語句select as中文為亂碼
public List getOrganizationInfoByLikeName(
String likeName) throws UnsupportedEncodingException {
//String name = new String(*es("UTF-8"),"GBK");
String sql = "from OrganizationInfo org where * like '"+likeName+"%'";
return getHibernateTemplate().find(sql);
}
拼出來的sql條件語句字段是亂碼導致查詢不到記錄,怎么處理?
Hibernate: select organizati0_.ID as ID, organizati0_.CODE as CODE10_, organizati0_.NAME as NAME10_, organizati0_.YJ_ORGANIZATION_CODE as YJ4_10_, organizati0_.LOGIC_CODE as LOGIC5_10_, organizati0_.ORG_TYPE as ORG6_10_, organizati0_.ORG_PERIOD_TYPE as ORG7_10_, organizati0_.PARENT_ORG_ID as PARENT8_10_, organizati0_.FITECH_FILLER as FITECH9_10_, organizati0_.FITECH_CHECKER as FITECH10_10_, organizati0_.FITECH_PRINCIPAL as FITECH11_10_, organizati0_.IS_DELETED as IS12_10_, organizati0_.conver_code1 as conver13_10_, organizati0_.conver_code2 as conver14_10_, organizati0_.conver_code3 as conver15_10_, organizati0_.ORG_FLAG as ORG16_10_, organizati0_.SUM_FLAG as SUM17_10_, organizati0_.RH_ORG_CODE as RH18_10_, organizati0_.RH_LOC_CODE as RH19_10_, organizati0_.RH_SYSTEM_CODE as RH20_10_, organizati0_.RHN_ORG_CODE as RHN21_10_, organizati0_.RHN_SYSTEM_CODE as RHN22_10_ from ORGANIZATION_INFO organizati0_ where organizati0_.NAME like '????%'
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