Original: SQL Server triggerThis article is to learn to use trigger data summary, the content from the network, at the end of the article will give the corresponding link address.In SQL Server R2, both T-SQL triggers are supported and CLR triggers are created.Introduction to
virtual machine.
• Select the "local Computer" option, followed by the Select Installation Options dialog box shown in Figure 2-2.
If you select the Advanced options option, the Advanced Options dialog box appears with three options:
· Record unattended. ISS file: Create an initialization settings file for automatic installation;
· Registry Rebuild: Repair of a damaged installation;
· Maintain a virtual server for failover Clustering:
Tags: managing Direct server NAT mode instrumentation taskbar always nbsp ret
Microsoft has introduced many highly available technologies for SQL Server, such as early replication, later log shipping, database mirroring, SQL Server clustering, and so on. In
the table to reduce the table size (sp_spaceuse)3. upgrade hardware4. Create an index based on the query conditions, optimize the index, optimize the access mode, and limit the data volume of the result set. Note that the fill factor should be appropriate (preferably the default value 0 ). The index should be as small as possible. Use a column with a small number of bytes to create an index (refer to the index creation). Do not create a single index for fields with a limited number of values, s
Tags: Linux powershell sqlUsing PowerShell to manage SQL Server under LinuxOur previous article described installing and configuring SQL Server under CentOS 7.3, and today we'll focus on how to use PowerShell under Windows to manage SQL
Tags: style blog http io os ar using for strongThis article is to learn to use trigger data summary, the content from the network, at the end of the article will give the corresponding link address.In SQL Server R2, both T-SQL triggers are supported and CLR triggers are created.Introduction to a Trigger1) Trigger classification
Login trigger: Is triggere
RAID0, and SQL2000 is not supported. The larger the data size (size), the more important it is to increase I/O.2. vertical and horizontalSplit the table to reduce the table size.(Sp_spaceuse)3. upgrade hardware4,Create indexes, optimize indexes, and optimize access methods based on query Conditions,Limit the data size of the result set. Note:Fill factor should be appropriate(It is best to use the default value 0 ). The index should be as small as possible,Index Using a column with a small numbe
SQL 2012 and 20,081, you can do a maintenance plan to automatically backup the database.Now for a database maintenance plan, make a differential backup of the database at 0 points per day, make a full backup of the database every Sunday 0 o'clock, and delete an expired backup (two weeks ago) every night 10 o'clock.The following methods are used to make such a
Label: Requirements Description In our production environment, in most cases, we need to have our own operation and maintenance system, including the detection of their own health status. In the event of an exception, an early warning is required, and the form of notification is generally communicated by e-mail. e-mail as a very convenient way to implement early warning, in terms of timeliness and ease of use also has irreplaceable advantages. Therefo
Label: SQL Server Query optimization method The reasons for the slow query are many, the following are common 1, no index or no index (this is the most common problem of slow query, is the defect of program design)2, I/O throughput is small, forming a bottleneck effect3. No computed column created causes query not to be optimized4. Insufficient memory5. Slow network speed6, the amount of data queried is too
modules. The first module focuses on the basic content of the master, a total of 7 articles to complete, covering a series of basic algorithms, the detailed analysis of how to view the execution plan, master Execution Plan optimization points, and a list of the everyday we usually write T-SQL statements will be applied operators. I believe that what you normallyWritten by T-... Read the full text posted @2015-01-20 21:57 fingertip flow reading (1571)
populate a service profiling cube may adopt a partitioned structure that differs from the data warehouse that is queried directly by the analyst. Systems with scrolling windows must be partitioned by time, while other systems are not necessarily.
If the data warehouse includes the profiling services cube, Microsoft recommends that the partitions in the relational data warehouse and Analysis Services database should be in a parallel structure. Maintenance
system requirements change, may also deliberately leave one or two alternate fields.In a table, the order of each row of data can be arbitrarily transformed, usually in the order in which the data is inserted. You can also sort the data by index, in short, the data row arrangement here does not affect the subsequent sequencing of the programming process.But the data between rows is also fine and do not repeat, this is controlled by the primary key, because the primary key specifies that no repe
display the progress of the installation in the "Installation Progress" menu.14. After installation, on the "Complete" menu, display the installed components and services.15. Close the installation window. Configure SQL Server: 1. "Start | Run ", enter Secpol.msc.650) this.width=650; "title=" clip_image014 "style=" border-top:0px;border-right:0px;background-image:none; border-bottom:0px;padding-top:0px;pad
use this proxy account. Note that there is a third tab, reference, which shows which job step uses this proxy account, and you can modify or delete the agent directly. Using a proxy accountYou can now modify the job step to use the proxy account. If you are following this series of articles, you should have a job called Shellout, and its second step S2 is the PowerShell subsystem. Open this job step and change the running identity to Proxydemo credentials (10.6). If you do not have this job ste
Label:Requirements Description In our production environment, in most cases, we need to have our own operation and maintenance system, including the detection of their own health status. In the event of an exception, an early warning is required, and the form of notification is generally communicated by e-mail. e-mail as a very convenient way to implement early warning, in terms of timeliness and ease of use also has irreplaceable advantages. Therefor
attributes to the standard mode. The operation method is the same as the first one, because logs are often an important basis for restoring the database in case of exceptions.
4. Set daily automatic Database Backup
We strongly recommend that users with conditions perform this operation!1. Open the Enterprise Manager and click Microsoft SQL Server> SQL
the recovery model of the database to be full mode, which can be modified using the following statement: ALTER DATABASE adventureworks2008r2 SET RECOVERY full;2. Check that the compatibility level of the database is 90 or higher, that is, 2005 or more SQL Server, if not, you can use the following script to modify: ALTER DATABASE adventureworks2008r2 SET compatibility_level=100;--2008 sp_dbcmptlevel @DBNA
Transferred from: http://www.seayee.net/article/info_106.htmlThe recent maintenance plan for MS SQL Server 2005, which configures a server, automatically backs up the database and can create a maintenance plan, but after setting the run time, save the hint "the GUID should c
TCP/IP to another port. 9. Reject detection from port 1434Because there is no limit on port 1434 detection, some database information can be detected by others, and DOS attacks may also increase the CPU load on the database server. Therefore, for Windows 2000 operating systems, when using IPSec to filter out UDP communication that rejects port 1434, you can hide your SQL
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