In diesem Beispiel werden dieLOWER- und dieUPPER-Funktion sowie eine Schachtelung derUPPER-Funktion in derLOWER-Funktion verwendet, um die Produktnamen auszuwählen, deren Preis zwischen 11 $ und 20 $ liegt. USE AdventureWorks; GO SELECT LOWER(SUBSTRING(Name, 1, 20)) AS Lower, UPPER(SUBSTRI...
SUBSTRING SUBSTRING_INDEX TRIM UCASE UNHEX UPPER WEIGHT_STRING TO_BASE64 FROM_BASE64 SOUNDEX 转换函数 数学函数 比较函数 流程控制函数 聚合函数 分析函数 加密函数 信息函数 JSON 函数 XML 函数 空间函数 Performance Schema 函数 锁函数 位图函数 数组函数 文本处理函数 审计函数 其它函数 查询和子查询 SQL 语...
十二、获取字符串的子串(substring、mid) substring(s,n,len);//从字符串s的左侧n处返回长度为len的字符串(从左往右截取) 1. 如果n为负数,则从字符串右侧n处返回长度为len的字符串(从左往右截取) 如果len没写,则从字符串s的n处一直截取到最后 mid(s,n,len);//功能与substring相同,不再介绍 1. 十三、...
The following example uses the LOWER function, the UPPER function, and nests the UPPER function inside the LOWER function in selecting product names that have prices between $11 and $20.SQL نسخ -- Uses AdventureWorks SELECT LOWER(SUBSTRING(EnglishProductName, 1, 20)) AS Lower, UPPER...
SQL -- Uses AdventureWorksSELECTLOWER(SUBSTRING(EnglishProductName,1,20))ASLower,UPPER(SUBSTRING(EnglishProductName,1,20))ASUpper,LOWER(UPPER(SUBSTRING(EnglishProductName,1,20)))AsLowerUpperFROMdbo.DimProductWHEREListPricebetween11.00and20.00;
The following example uses the LOWER function, the UPPER function, and nests the UPPER function inside the LOWER function in selecting product names that have prices between $11 and $20. Copy USE AdventureWorks; GO SELECT LOWER(SUBSTRING(Name, 1, 20)) AS Lower, UPPER(SUBSTRING(Name, 1, ...
in intToDecimal isNotNull isNull isWorkDay Links Locate Log Ln Ltrim Mod netWorkDays Now notIn nullIf parseDate parseDecimal parseInt parseJson Ersetzen Rechts Round Rtrim Teilen Sqrt startsWith Strlen Substring switch toLower toString toUpper trim truncDate Aggregationsfunktionen avg avgIf count coun...
in set (0.00 sec) mysql> select @urs:='abc@163.com',@urs1:=substring_index(@urs,'@',-1),substring_index(@urs,'@',-1); +---+---+---+ | @urs:='abc@163.com' | @urs1:=substring_index(@urs,'@',-1) | substring_index(@urs,'@',-1) | +---+---...
Substring switch toLower toString toUpper trim truncDate Funciones de agregación Funciones de los cálculos de tabla Vista previa de las tablas de un conjunto de datos Unir datos Filtrado de datos Uso de SQL para personalizar los datos Adición de datos geoespaciales Uso de fechas no admitidas ...
Functions on String Values - substring Functions on String Values - string-length Functions on String Values - lower-case Functions on String Values - upper-case Numeric Values Functions - ceiling Numeric Values Functions - floor Numeric Values Functions - round XQuery Extensi...