size of nvarchar max in sql server 2008

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Analysis on the Performance and occupied space of varchar (n) and nvarchar (n) in SQL

This article describes in detail the performance and space occupied by varchar (n) and nvarchar (n) in SQL. For more information, see. This article describes in detail the performance and space occupied by varchar (n) and nvarchar (n) in SQL. For

SQL Server 2008 Data types

When you create a table, you must assign a data type to each column in the table. This section describes some of the most common data types in SQL Server. Even if you create a custom data type, it must be based on a standard SQL Server data type.

SQL SERVER 2008 Paging

Today is ready to use the project to increase the paging function, the original is too limited, so the Internet to find some information recorded, the front is the use of others to summarize, the following is their own test results, haha, testing to

SQL Server 2008 from getting started to mastering 20180627

The theory of database paradigmThe paradigm theory is to set up the rules of the database which is redundant and the smaller structure is reasonable. Relationships in a relational database must meet different paradigms. Currently there are six

SQL Server resource Management memory management chapter (top)

The most important resource for SQL Server is memory, disk, and CPU, where memory is the top priority, because SQL Server puts all the data it needs to access (as long as there is enough memory) into the cache for performance requirements. This

In layman SQL Server 2008 partition functions and partition tables

Http://www.cnblogs.com/zhijianliutang/archive/2012/10/28/2743722.htmlWhen we have a larger amount of data, we need to split the large tables into smaller tables, and queries that only access departmental data can run faster, the rationale being that

4.2 SQL Server Database physical structure

4.2 SQL Server Database physical structureSQL Server stores all of the data in a file. These files are partitioned into sub-structures that SQL Server manages to maintain the integrity, structure, and logical organization of the data contained

SQL Server uses scripts to create updatable subscriptions for distribution services and transaction replication, and SQL server scripts

SQL Server uses scripts to create updatable subscriptions for distribution services and transaction replication, and SQL server scripts [Create a local distributor] /************************ [Use local distribution server configuration release ]****

Memory Management in SQL Server

1. memory usage Classification Categories by Purpose1) database cache (data page ). All pages in SQL Server are stored in 8 KB as one page. When SQL server needs to use a page, it will read the page to the memory and cache it in the memory after

Three pagination methods and summaries in SQL SERVER 2008

Create a table:1 CREATE TABLE [testtable] (2 [ID] [int] IDENTITY(1,1) not NULL ,3 [FirstName] [nvarchar]( -) COLLATE Chinese_prc_ci_asNULL ,4 [LastName] [nvarchar]( -) COLLATE Chinese_prc_ci_asNULL ,5 [Country] [nvarchar]( -) COLLATE Chinese_prc_

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