How to find first/last occurrence of any character/ word in the stringis one of the most frequent problems that we usually come across whenever we are dealing with the string manipulation in SQL Server. Given below are the solutions : ...
9 10 /* retrieve the first character in the string */ 11 dbms_output.put_line ( SUBSTR (greetings, 1, 1)); 12 13 /* retrieve the last character in the string */ 14 dbms_output.put_line ( SUBSTR (greetings, -1, 1)); 15 16 /* retrieve five characters, 17 starting from the s...
给定表达式 返回类型 image varbinary ntext nvarchar 8、stuff stuff的功能:删除指定长度的字符串并在指定的起始点插入另一组字符 STUFF ( character_expression , start , length , character_expression ) character_expression :操作的字符, start:删除和插入的起始点, length:删除的长度, character_expression :要...
SQL Server 2000 Forums Transact-SQL (2000) How to locate last occurrence of character in string?
SELECTp.FirstName,p.LastName,ROW_NUMBER()OVER(ORDERBYa.PostalCode)AS'Row Number',RANK()OVER(ORDERBYa.PostalCode)AS'Rank',DENSE_RANK()OVER(ORDERBYa.PostalCode)AS'Dense Rank',NTILE(4)OVER(ORDERBYa.PostalCode)AS'Quartile',s.SalesYTD,a.PostalCodeFROMSales.SalesPerson sINNERJOINPerson.Person pONs...
大家好,又见面了,我是你们的朋友全栈君。 SQL语句大全 –语 句功能 –数据操作 SELECT –从数据库表中检索数据行和列 INSERT –向数据库表添加新数据行 DELETE –从数据库表中删除数据行 UPDATE –更新数据库表中的数据 -数据定义 CREATE TABLE –创建一个数据库表 DROP TABLE –从数据库中删除表 ALTER TAB...
/** * @todo 通过对象传参数,简化paramName[],paramValue[] 模式传参 * @param <T> * @param sqlOrNamedSql 可以是具体sql也可以是对应xml中的sqlId * @param entity 通过对象传参数,并按对象类型返回结果 */ public <T extends Serializable> List<T> find(final String sqlOrNamedSql, final T entit...
Returns 0, if the string was not found or if the given string (str) contains a comma. find_in_set(str,str_array)-返回逗号分隔列表(str_array)中给定字符串(str)的索引(基于1)。如果未找到字符串或给定字符串(str)包含逗号,则返回O。 语法: find_in_set(string str, string strList) 返回值:...
· 错误:1300 SQLSTATE: HY000 (ER_INVALID_CHARACTER_STRING) 消息:无效的%s字符串: '%s' · 错误:1301 SQLSTATE: HY000 (ER_WARN_ALLOWED_PACKET_OVERFLOWED) 消息:%s()的结果大于max_allowed_packet (%ld),已截短 · 错误:1302 SQLSTATE: HY000 (ER_CONFLICTING_DECLARATIONS) ...
ERRCODE_STRING_DATA_RIGHT_TRUNCATION 字符串右截断,多发生于VARCHAR字段的实际值超过了建表时VARCHAR指定的长度。 value too long for type character varying(xx) 重新建表修改VARCHAR字段的长度,或者将字段类型设置为TEXT。 ERRCODE_PROGRAM_LIMIT_EXCEEDED Exceed Odps Scan Limit 超过Hologres允许的上限,通常发生在扫...