SQL Server provides a number of data types that support all types of data that you may want to store. As you may have guessed, data type is an attribute that specifies the type of data that a column can store. It can be an integer, character string, monetary, date and time, and so...
One task that most people are faced with at some point in time is the need to import data into SQL Server from an Excel spreadsheet. We have talked about different approaches to doing this in previous tips using OPENROWSET, OPENQUERY, Link Servers, etc... These options are great, but they...
UTF-8 (_UTF8) Ermöglicht das Speichern von mit UTF-8 codierten Daten in SQL Server. Wenn diese Option nicht aktiviert ist, verwendet SQL Server das standardmäßige Nicht-Unicode-Codierungsformat für die entsprechenden Datentypen. Weitere Informationen finden Sie im Abschnitt Unterstü...
SQL Server 2012 Enterprise Core SQL Server 2008 R2 Datacenter SQL Server 2008 R2 Developer SQL Server 2008 R2 Enterprise SQL Server 2008 R2 Express SQL Server 2008 R2 Parallel Data Warehouse SQL Server 2008 R2 Standard SQL Server 2008 R2 Web SQL Server 2008 R2 Workgroup SQL Server 2008 ...
首先,我们需要与SQL Server建立连接。使用以下代码创建数据库连接: importpyodbc# 配置数据库连接信息server='服务器名称'database='数据库名称'username='用户名'password='密码'# 建立数据库连接connection=pyodbc.connect('DRIVER={SQL Server};SERVER='+server+';DATABASE='+database+';UID='+username+';PWD=...
Collations in SQL Server provide sorting rules, case, and accent sensitivity properties for your data. Collations that are used with character data types, such as char and varchar, dictate the code page and corresponding characters that can be represented for that data type. Whether you're instal...
नोट Unicode compression is not supported for nvarchar(max) data even if it is stored in row. However, this data type can still benefit from page compression.Upgrade from earlier versions of SQL ServerWhen a SQL Server database is upgraded to SQL Server, Unicode compression-related ...
DATAFILETYPE argument. Execute the following Transact-SQL in Microsoft SQL Server Management Studio (SSMS):SQL Copy TRUNCATE TABLE TestDatabase.dbo.myWidechar; -- for testing BULK INSERT TestDatabase.dbo.myWidechar FROM 'D:\BCP\myWidechar.bcp' WITH ( DATAFILETYP...
sqlca.sqlcode == -1 失败 (获取具体失败信息:messagebox('',"出错信息:"+sqlca.SQLErrText) )--PB里的操作方法 可能发生的错误列表: -12, Out of memory in line %d. 通常不出现这个错误。这是你的虚拟内存耗尽的标志。 -200, Unsupported type %s on line %d. ...
At this time, the SQL Server will not support Unicode compression for NVARCHAR (MAX) type, including in-row values or for NTEXT. This is something we will consider in the future. In mynext blog, I will provide an example using AdventureWorksDW database to show you the compression benefits...