sql shrink database

-click the database to be restored, right-click the menu and choose "properties"> "option"> "status"> "Restrict Access"> "single ". This is the menu command of sqlserver2005. For other versions, find them by yourself. 2. Use SQL statements to kill all processes that are using the database. I used to write SQL stateme

Oracle databases differ significantly from MSSQL data operations, but there is an analogy in image operations. This article describes how MSSQL database images are implemented in Oracle databases. What are the differences between them.First, the image database in Microsoft SQL database is similar to the backup

2018-02-19 18:03:54Data manipulation language (manipulation Language)Data manipulation language refers to inserting, deleting, and updating languages.Second, Views (view)Database three-level mode, two-level mapping, the use of views can be implemented outside the mode, you can achieve the logical independence of data.Views can be divided into two types:1. General View: The view generated using the CREATE view is computed from the base table and is als

, and spikes in CPU and memory resource consumption occur on the server. System structure The performance problem stems from the whole structure and development process of the system. The application of the Olite system is a Web Form program based on the. NET platform, and the database is SQL Server 2005. Its main structure is as follows: Its application end consists of two sites: Olitebase and Olitereport

Tags: personal ecif cal htm word OLE blog rds caseOne, authentication:There are two types of SQL Server database connection authentication: Windows authentication and SQL Server Authentication Windows authentication: A user connection is validated using the security subsystem of Windows. (personally think that the Windows operating system to help us verify user s

First back up the database in case of unnecessary loss. And then executes the varchar field with less than 8000 characters for all the horses being hanged. Copy Code code as follows: Update table name set field name =replace (field name, ' ', ') Where is a horse-hanging field. The Mount horse field is cleared after execution. But there are some fields, such as content fields, which are more than 8000 characters varchar fields

When you create a database in SQL Server you can specify the initial size of the database file, for example, we set the size of the newly created database mydb to 1024MBWell, the database you built will actually take up about 1024MB of disk space.However, using the stored pr

Reprint Please specify source: http://blog.csdn.net/pearyangyang/article/details/41115491These days to learn the company's system data flow. It mainly involves several tables of data.However, the data in the table is millions, so it is assumed that there is no conditional SQL statement. Causes the query card to die, or even a memory overflow condition occurs.The database used by the company is

An issue that was encountered following a restore of the database (SQL Server 2008) when the project was recently migrated:msg 10314, Level 16, State 11, line 1ththe Microsoft. NET Framework error occurred while attempting to load assembly ID 65536. The server may be out of resources or do not trust the assembly because its permission_set is set to external_access or unsafe. Rerun the query, or check the do

Explain the SQL Server database architecture and objects, define data integrity, SQL Server Preface In this section, we will continue our SQL journey. In this section, we will talk about some basic knowledge and precautions. If there are any mistakes, I hope to point out the short content, in-depth understanding.

Label:Recent life has a big change, so the blog has been shelved for a long time did not write, as if blogging has become a habit, put aside a period of time there is so little sense of crisis, the heart always feel uncomfortable. So from today on or continue to pick up the pen (keyboard), continue to maintain the blog, write the most real ideas in mind, write some of the people and things in contact with some of the new technology. Of course, blogging is not purely for the record, but also want

"Unable to upgrade database... because SQL Server of this version does not support non-release version of this database (539)" solution, sql539 When you use SQL2012 to append a database, the following error is reported: "You cannot upgrade the database... because

Today to introduce you, how to use PHP automatic execution. sql file. In fact, it is very simple to get the contents of the SQL file and then execute each sentence of SQL statement at once.This is the code//Read File contents$_sql=file_get_contents(' Test.sql '); $_arr=Explode(‘;‘,$_sql);$_mysqli=NewMysqli (Db_host,db_user,db_pass);if(Mysqli_connect_errno()) {

Label:When SQL Server restores the database, it prompts, "because the database is in use, you cannot obtain exclusive access to the database", whether I restart the database, or restart the computer, the separation of the database

ACCESS2000 file Open with ACCESS2007 and migrate into SQLSERVER2005. Open the ACCESS2007 database tool method One : Using ACCESS2007 's own database migration Tool 1, open the ACCESS2007 Database Migration Wizard 2, click the SQL Server button, Pop-up Upsizing Wizard dialog box 3. Select New

In the development of the project, often encountered different requirements, compatible with different types of database is one of our project status quo, the level of compatibility with a variety of databases will enable us to develop different types of projects handy, if coupled with rapid framework support, it is icing on the cake. I have developed a project or framework that uses the Microsoft Enterprise Library module, which tends to support mult

[Introduction] You work as a database administrator for your company. a SQL Server login named Tom is used only withinAdventureworksDatabase. A new company security policy is being implemented. This new policy states that SQL Server Authentication cannot be used. In preparation for implementation of the policy, you must remove the Tom login. The new po

SQL Server database file Compression Compressed log and database file size /* -- Pay special attentionFollow these steps. Do not follow these steps.Otherwise, your database may be damaged.Generally, steps 4 and 6 are not recommended.Step 3 is not safe, and may damage the database