(SELECT LastName FROM Person.Person WHERE BusinessEntityID = 341) DECLARE @Name2 varchar(30) SET @Name2 = (SELECT LastName FROM Person.Person WHERE BusinessEntityID = 441) SELECT @Name1 AS Name1, @Name2 AS Name2, SOUNDEX(@name1)AS SoundexName1, SOUNDEX(@Name2) AS SoundexName2, DIF...
CREATE TABLE dbo.SalesOrder ( SalesOrderId integer not null IDENTITY PRIMARY KEY NONCLUSTERED, CustomerId integer not null, OrderDate datetime not null ) WITH (MEMORY_OPTIMIZED = ON, DURABILITY = SCHEMA_AND_DATA); 針對記憶體最佳化資料表的 Transact-SQL INSERT 和 SE...
SELECT * INTO WebsitesBackup2016 FROM Websites WHERE country='CN'; 复制多个表中的数据插入到新表中: SELECT Websites.name, access_log.count, access_log.date INTO WebsitesBackup2016 FROM Websites LEFT JOIN access_log ON Websites.id=access_log.site_id; 提示:SELECT INTO 语句可用于通过另一种...
以下示例使用 FOR SYSTEM_TIME FROM *date_time_literal_or_variable* TO *date_time_literal_or_variable* 参数返回定义为从 2013 年 1 月 1 日开始且以 2014 年 1 月 1 日结束(不包括上限)期间处于活动状态的所有行。 SQL 复制 SELECT DepartmentNumber, DepartmentName, ManagerID, ParentDepartmentNumber...
Datetime 數據類型允許公曆格式的日期儲存在日期範圍 0001-01-01 CE 到 9999-12-31 CE。預設字串常值格式,用於下層用戶端,符合定義為 yyyy-MM-dd的SQL標準格式。 此格式與的 DATEISO 8601 定義相同。注意 對於Informatica,範圍限制為 1582-10-15(1582 年 10 月 15 日 CE) 至 9999-12-31(9999 年 12 ...
資料表的進貨日期 StockDate 欄位使用 Datetime 資料類型,錄影帶撥放時間 playLength 欄位使用 float 資料類型,如範例 程式碼 4-9 所示: USE tempDB IF EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo]. [Product]') AND type in (N'U')) DROP TABLE [dbo].[Product] --...
In this insert process have a row '20150229' does not match DateTime because in 2015 February is 28th day. How select this incorrect rows automatically without difficult queries or without cross or inner join? For this problem, Microsoft SQL Server has an awesome ...
However, GETDATE will return the current datetime value, which will change even if nothing in your database has changed. T-SQL Functions Types of T-SQL functions include: Aggregate Functions Aggregate functions can perform a calculation on a set of values but will return one value. These ...
Convert Cron expression to Datetime Convert CURRENT_TIMESTAMP as Current date only convert date from YYYYMM to date for comparison convert date to bigint - sql server 2014 Convert date to int in sql server 2008 convert date to mm/dd/yyyy convert date to mmdd Convert DateTime ...
--1.0准备数据USEtempdb;IFOBJECT_ID('dbo.Orders','U')ISNOTNULLDROPTABLEdbo.Orders;GOCREATETABLEdbo.Orders(orderidINTNOTNULL,orderdateDATENOTNULL,--prior toSQLServer2008useDATETIMEempidINTNOTNULL,custidVARCHAR(5)NOTNULL,qtyINTNOTNULL,CONSTRAINTPK_OrdersPRIMARYKEY(orderid));INSERTINTOdbo.Orders(order...