publicstaticvoidmain(String[] args) throws JSQLParserException {Stringsql ="SELECT name,SUM(CASE WHEN sb.sblb = '1' THEN 1 ELSE 0 END) AS 待验证, SUM(CASE WHEN sb.sblb = '2' THEN 1 ELSE 0 END) AS 通过,SUM(CASE WHEN sb.sblb = '3' THEN 1 ELSE 0 END) AS 失效 FROM SBMP...
空格字符串函数:space(int n) 重复字符串函数:repeat(string str, int n) 首字符ascii函数:ascii(string str) 左补足函数:lpad(string str, int len, string pad) 右补足函数:rpad(string str, int len, string pad) 分割字符串函数: split(string str, string pat) 集合查找函数: find_in_set(string s...
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 TABLE –修改数据库表结构 CREATE VIEW –创建...
This trace flag is useful if you need to save on space by allocating only the actual size required for the compressed backup. Using this trace flag might cause a slight performance penalty (a possible increase in the duration of the backup operation). For more information about the ...
String databaseId= context.getStringAttribute("databaseId"); String id= context.getStringAttribute("id"); id= builderAssistant.applyCurrentNamespace(id,false);if(databaseIdMatchesCurrent(id, databaseId, requiredDatabaseId)) { sqlFragments.put(id, context); ...
STRING_AGGは、<order_clause>なしで使用できます。STRING_AGGは、省略可能な<order_clause>と共に使用できます。 詳細については、STRING_AGGに関する記事を参照してください 互換性レベル 90 とレベル 100 の相違点 このセクションでは、互換性レベル 100 で導入された新しい動作について説明...
在 IN 关键字之后使用#{}查询多个参数： select * from user_table where username in (#{user...
TEXTIMAGE_ON only changes the location of the "LOB storage space", it does not affect when data is stored in-row. Use large value types out of row option of sp_tableoption to store the entire LOB value out of the row. In this context, default is not a keyword. It is an identifier...
Cannot insert duplicate key row in object... Cannot insert the value NULL into column 'ID', table Cannot open backup device 'C:\TEMP\Demo.bak'. Operating system error 2(The system cannot find the file specified.). Cannot parse using OPENXML with namespace Cannot promote the transaction to...
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...