how to get month name from month number in sqlReply Answers (6)How to Create Chart Label for Count Exam 70-486: Developing ASP.NET MVC Web Applications.About Us Contact Us Privacy Policy Terms Media Kit Sitemap Report a Bug FAQ Partners...
select to_number('12345','9999999999'); --数字转字符串,当无法判断数据位数时,可用以下方法 ''||12345 --查询模式下所有表 select * from pg_tables where schemaname='qdxn'; --查询表的结构信息 select * from information_schema.columns where table_name = 'dm_xnjk_xndf_m'; --添加字段 ALTER...
select * from tableName where DATEPART(mm, theDate) = DATEPART(mm, GETDATE()) and DATEPART(yy, theDate) = DATEPART(yy, GETDATE()) 11.查询本周的记录 select * from tableName where DATEPART(wk, theDate) = DATEPART(wk, GETDATE()) and DATEPART(yy, theDate) = DATEPART(yy, GETDATE()...
How to get START DATE and END DATE from month number and Year How to get string array in string variable in SQL SERVER How to get tab delimited text file when Stored Procedure executes ? How to get the table name in the trigger definition without hard coding. How to get the anniver...
-> SELECT customer_id, count(*) num_rentals, -> row_number() over (order by count(*) desc) row_number_rnk, -> rank() over (order by count(*) desc) rank_rnk, -> dense_rank() over (order by count(*) desc) dense_rank_rnk -> FROM rental -> GROUP BY customer_id -> ORDER...
msdb.dbo.backupmediafamily AS bf ON bs.[media_set_id] = bf.[media_set_id] WHERE recovery_model in ('FULL', 'BULK-LOGGED') AND bs.backup_start_date > DATEADD(month, -2, sysdatetime()) --only look at last two months ORDER BY bs.database_name asc, bs.Backup_Start...
若要确定是否支持目录,应用程序使用SQL_CATALOG_NAME信息类型调用 SQLGetInfo。 SQL-92 完全一致性驱动程序将始终返回“.”。此InfoType 已从 ODBC 2.0 InfoType SQL_QUALIFIER_NAME_SEPARATOR重命名为 ODBC 3.0。 SQL_CATALOG_TERM 1.0 包含目录数据源供应商名称的字符串;例如,“database”或“directory”。 此字符...
SELECT DeptID, DeptName, DeptMgrID, EmpID, EmpLastName, EmpSalary FROM Departments d OUTER APPLY dbo.GetReports(d.DeptMgrID); L. 使用 CROSS APPLY下列範例會查詢 sys.dm_exec_cached_plans 動態管理檢視來擷取快取中所有查詢計畫的計畫控制代碼,藉以擷取位於計畫快取中所有查詢計畫的快照集。 然後,指定...
也行24selectdbo.fn_GetLunarNumber('2012-06-23')25--農曆查公曆26selectdbo.fn_GetDate('2012-05-05')2728select*fromdbo.GoodDayClass2930declare@setDatedatetime,@Lunaryearint,@Lunarmonthint,@Lunardayint,@weeksint,@weekdayint,@GooddayUidKeyUniqueidentifier,@LunarDatedatetime31set@setDate='2012-06-23...
一、row_number row_number函数的用途是非常广泛,这个函数的功能是为查询出来的每一行记录生成一个序号。row_number函数的用法如下面的SQL语句所示: select row_number() over(order by field1) as row_number,* from t_table 上面的SQL语句的查询结果如图2所示。