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Weak water 3,000, take one scoop drink--condition view
In the previous article we have built two remote views, you may find that the whole of the remote table read over the implementation of the effect is very good, but it is not. I have two main reasons:
Imagine if the back-end table was large (Customers only 91 records), there were tens of thousands of or hundreds of thousands of records, a
like '% @ str %'Create an encrypted stored procedure or function WITH the with encryption parameter before theYou can use sp_decrypt to decrypt encrypted stored procedures and functions.10. View user and process information in the databaseSp_whoView information about active users and processes in the SQL Server databa
VS2010:YCFHQ-9dwcy-dkv88-t2tmh-g7bhpvs2013:bwg7x-j98b3-w34rt-33b3r-jvyw9vs2015: Professional Edition: HMGNV-wcyxv-x7g9w-ycx63-B98R2 Enterprise Edition: Hm6nr-qxx7c-dfw2y-8b82k-Wtyjvmicrosoft SQL Server -R2 Serial Number key development version 32-bit: mc46h-jqr3c-2jrhy-xyrky-QWPVM Development Version 64-bit: FTMGC-b2j97-pj4qg-v84yb-MTXX8 Data Center Edition 32-bit: PTTFM-x467g-p7rh2-3q6cg-4DMYB Data Center
about remote view is that it's easy to bind to the Visual FoxPro built-in controls. Each remote view is an object stored in the Visual FoxPro database Container (DBC), which is a sql-select statement. Remote views communicate with heterogeneous databases through ODBC (Open database Connectivity).
Although the example in this article uses
the shrink data operation.You can see that we've shrunk the data to 5120, which means that shrinking the data already works.If you do not want to create a clustered index, you can remove the data from the table, then clear the table and then plug the data back in. Of course, this is more troublesome, or have a clustered index management is more convenient.The situation that caused shrinkfile effect was jus
apply Sys.dm_exec_sql_text (Qs.sql_handle) as qt
ORDER by qs.total_logical_reads desc
GO
Find these statements and then tune them in a way that can be tuned by the statement.b, if you think the statement has no room for tuning, or as quickly as possible to improve the performance of the server can only increase the physical memory.Ii. pressure tuning of the stolen memory in Buffer pool1, through the Memory clerk analysisBecause the stolen
One, SQL Server has two ways to connect to Visual Studio:(1) Local Computer connection;
Copy Code code as follows:
string s = "Data source= computer name; initial catalog= database name; integrated security=true";
(2) Windows authentication mode connection;
Copy Code code as follows:
String cc= "Data Source = computer name;
Label:The problem record that the work encounters together:Error when installing SQL Server R2: "Earlier versions of Microsoft Visual Studio 2008 were installed on this computer. Upgrade Microsoft Visual Studio 2008 to SP1 before you install SQL
Problem Description: Reinstall the system, and then immediately upgrade to the Windows7 flagship, encountered 1406 errors while installing SQL Server 2008 R2 and Visual Studio 2010. Tried a number of ways, such as modifying the permissions of the corresponding registry, resetting the registry, installing updates, and so on. Also think carefully whether is the sys
The recent course design for C # and data structures has been used many times to connect SQL Server databases in C #, which involves additional and connectivity issues with database files.The most annoying of these is SqlConnection (string connstr), which is a connection string problem.Here you find a simple way to write a connection command without your own.The first is to connect your database files via v
We recommend a BI tool: Talend Open Studio. I also just contact, know not much, feel more magical I would like to recommend you ...Because of the company project, touch the BI tool Talend, feel very powerful, can synchronize a variety of databases, but also can clean, filter, Java code processing data, data import and export.You can even query multiple databases inline, feeling more magical. Of course, we can use
_ salary '. It does not have a unique clustered index.
The correct creation statement is as follows:
Create unique clustered index ix_name on v_salary (name)
Suppose v_salary is a normal view. If we create an index for it, the following error will be reported: an index cannot be created for the view v_salary, be
constraints for tables with frequent key value DML operations. The fillfactor parameter uses the default value.View the constraints of a data object in a databaseSp_helpconstraint @ objname
9. view all stored procedures and functions in the databaseUse @ database_nameSp_stored_proceduresView stored procedures and functionsSource code Sp_helptext '@ procedure_name'
View the Data Object Name containing a
a complete ORACLE11GR2 program is also an effective method, but this 64-bit version of the installation package has 2 multi-g, quite large, if only to establish a linked server, there is no need to install such a monster. In fact, we only need to download the ODAC compressed package on the Oracle official website.As to how to install ODAC, not the focus of this article, you can search for my other article Baidu-"Oracle data Access Component ODAC inst
object that contains a string @str
SELECT DISTINCT object_name (ID) from syscomments where text like '% @str% '
Create an encrypted stored procedure or function with the with encryption parameter in front of AS
Decryption of encrypted stored procedures and functions can be done using the Sp_decrypt procedure
10. View information about users and processes in the database
sp_who
Tags: blank execution name weight Word view. NET yourself howexec sp_addrole ' Guestview ' --grant SELECT on Veiw to [Guestview]; GRANT SELECT on CustomerInfo to Guestview; --exec sp_addlogin ' client ', ' [email protected] ', ' Iccard_tanghe ' --exec sp_adduser ' guest ', ' guest ', Guestview; 1. Select the database in SQL Server that you want to manipulate 2,-
Label:Microsoft Official 32 version of the trial version. The file name is Sqlfull_x86_enu.exe. The file size is around 1.30G. Because there are only 32-bit versions, the 3G is smaller than SQL Server 2008.Http://www.microsoft.com/sqlserver/2008/en/us/R2Downloads.aspxAfter the download is complete, uninstall the original SQL
syscomments where text like '% @ STR %'
Create an encrypted stored procedure or function with the with encryption parameter before the
You can use sp_decrypt to decrypt encrypted stored procedures and functions.
10. View user and process information in the databaseSp_whoView information about active users and processes in the SQL
are in a table in the database, and what is the ID of the first page in that area:The above table uses the contents of so many areas, and the majority of each zone is stored as 8 consecutive pages, only the first is 1 pages, the page ID is 217.Support for large rowsIn SQL Server, rows cannot span pages, and data for all fields that belong to the same row are placed on the same page, and the maximum amount
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