DECLARE a VARCHAR2(30) := 'Corner? What corner?'; b NVARCHAR2(30); BEGIN b := TRANSLATE(a USING NCHAR_CS); END; In this example, the characters in the string are represented using the database character set. TRANSLATE . . . USING converts those characters into their national characte...
Translate('张三' USING NCHAR_CS)--此处的“你好”是varchar类型 Translate(yourWords USING CHAR_CS)--此处的yourWords是nvarchar类型
以上两段sql中,VALUE_NAME_CN字段,上面的对应写死的值,下面的对应的实际字段,而实际字段的类型是NVARCHAR2,这个时候就会有字符集不一致的问题。 修改方案就是,将写死的值的类型转换一下就好了,Translate('全部' USING NCHAR_CS) as VALUE_NAME_CN 22 ORA-01799: 列不能外部联接到子查询 原因:Oracle 不支持 ...
问题原因:Oracle数据表字段类型Varchar2与ADO表字段WideString类型不匹配导致。 解决方法:SQL语句使用“TRANSLATE([FieldName] USING NCHAR_CS) AS [AliasName]”将Oracle Varchar2类型转换为NVarchar2类型即可。
oracle查询语句中varchar2与nvarchar2相互转化 Translate('Hello' USING NCHAR_CS) -- 结果为NVARCHAR2类型 Translate('Hello' USING CHAR_CS) -- 结果为VARCHAR2类型 来源:https://blog.csdn.net/weixin_33807284/article/details/92193512
TRANSLATE(I.PRODUCT_NAME USING NCHAR_CS) END AS PRODUCT_NAME, I.CATEGORY_ID, CASE WHEN D.LANGUAGE_ID IS NOT NULL THEN D.TRANSLATED_DESCRIPTION ELSE TRANSLATE(I.PRODUCT_DESCRIPTION USING NCHAR_CS) END AS PRODUCT_DESCRIPTION, I.WEIGHT_CLASS, ...
NCHAR_CSconverts char into the national character set.NVARCHAR2 Examples: Oracle TRANSLATE_USING function SQL> CREATE TABLE table_1 (char_col CHAR(20), 2 nchar_col nchar(20)); Table created. SQL> INSERT INTO table_1 2 VALUES ('Hello', N'Welcome'); 1 row created. SQL> SELECT * FROM...
1、CHR(N[ USING NCHAR_CS]) 返回指定數值在當前字元集中對應的字元 例如:SELECT CHR(95) FROM DUAL; 2、CONCAT(c1,c2) 連接字串,等同於|| 例如:SELECT concat('aa','bb') FROM DUAL; 3、INITCAP(c) 將字串中單詞的第一個字母轉換為大寫,其它則轉換為小寫 ...
TypedExpression translateUsingNCharCS() Converts the character string value of this TypedExpression into the national character set. TypedExpression treat(java.lang.String typeName, boolean isRefType) Creates a TypedExpression that has the value of this TypedExpression but that has the type specified...
262. TRANSLATE USING(TEXT USING {CHAR_CS|NCHAR_CS}) 將文本TEXT按照指定的轉換方式轉換成數据庫字符集和民族字符集. 其中TEXT是待轉換的. USING CHAR_CS參數轉換TEXT為數据庫字符集,輸出數据類型是VARCHAR2. USING NCHAR_CS參數轉換TEXT為數据庫字符集,輸出數据類型是NVARCHAR2. ...