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One, the Oracle 11g database download, installation:Download:Then, based on this hyperlink build your own user, database.Http://wenku.baidu.com/view/caa21c1a650e52ea551898e2.htmlSecond, Navicat Premium connect Oracle1. Review the Tnsnames.ora file in the installation directory (F:\app\Administrator\product\11.2.0\dbhome_1\NETWORK\ADMIN).2, the connection, the first configuration option under the Oci file, download:Associated with the time,:OCI directory: D:\tools\instantclient-basic-nt-12.1.0.2.
time, we are forced to change the password first. at the beginning, you may wonder if the newly created user is locked. after oracle is installed, some users such as Scott are locked by default. you can unlock it like this.
AlterUserScott accountunlock;
If you want to lock Scott, it will naturally be alter user.Scott accountlock;
However, the new user does not belong to this situation or has no permission. only connecting to the database requires a separate permission. (This permission is not a
Meaning:
For a transaction to have a very clear start and end point, every data manipulation statement in SQL Server, such as SELECT, INSERT, update, and delete, is part of an implicit transaction. Even if there is only one statement, the system will take this statement as a transaction, either executing all the statements or doing nothing.
After the transaction begins, the operations of the firm are writ
operation of the transaction log, that is, checkpoint and lazy When writer occurs, only the dirty pages will be written to the MDF file) below to move a Song to see, slightly modified, very intuitive:Here are the main list of checkpoints and lazy writing between the differences, in fact, these differences are well known, but we still list the difference between the two for you to learn: Checkpoint and LazyWriter will be the buffer viscera pages written to disk; LazyWriter will update the buffer
Problem: The External host management platform appears when the database is activated.
Microsoft ole db provider for SQL Server Error '80040e87'
Conversion from string to datetime failed.
/ADM/admsql3.asp, row 271
Cause: You can view the logon information page.Local Structure timeAndOfficial structure timeThe reason is that the local structure time is inconsi
Problem
With the SQL Server Management suite You can do anything you can do with T-SQL commands. One problem with using a graphical user interface is that it's hard to remember all the things you clicked to perform again. Another problem is that most of the things you do through the graphical user interface are execut
Frequently encountered problems with databases:1), database file space exhausted 2), log file growth 3), database file cannot shrink 4), autogrow and auto shrinkThis series is based on the above 4 questions to analyze and summarize the database space management methods.1. How to allocate files and how to check file spaceFirst, you run sp_spaceusedin your database, and then you see the usage space information for the current database; This command will
Tags: style blog http color using OS IO strongMicrosoft SQL Server Internals Index directory:"Microsoft SQL Server Internals" Reading notes-Catalog IndexIn the fifth chapter, we mainly study the internal storage structure of table, and the seventh chapter "Special storage" w
Today in other computers configured SQl server R2, after the installation is complete, Discovery opens the Configuration management Tools service: Show Remote Procedure call failed: 0x800706be such an error messageBefore this problem was encountered, it may be that this computer was previously installed in Visual Studio
SQL Server's memory management is a huge topic that involves a number of concepts and techniques, such as the common Plan Cache, Buffer Pool, memory clerks, and so on. This article is only glimpse, which describes common memory management-related concepts.Before understanding memory management, the Sys.dm_os_memory_cle
The new features of SQL Server 2005 are dynamic management objects, which are database views or functions that return special state information for a database instance at a specified time. These objects allow database administrators or developers to efficiently monitor the database server. Dynamic
Memory Management –sql Server 2005/2008/2008R2Previous versions of SQL Server 2012 (SQL 2005/2008/2008R2), there are single page allocator and multi page allocator. That is, if the requested memory is within 8k, there will be a si
Tags: one logs author info delete Permission Action Association table own antSQL Server Rights Management2014-11-10 08:37 by Pursuer.chen, 24214 reading, 40 Reviews, Favorites, compilation Tags: SQL server/mssql server/Database/dba/rights control/Management/assignment/login
violated.• as planned. This automatic mode uses the SQL Server agent job to periodically evaluate the policy. This mode records a violation of the policy.It is manually operated on demand, while the other three can be done automatically. The schedule is to use SQL Server Agent to check the policy periodically, and the
Tags: reference name col except contact Att sink ber walSQL Server Table Management _ Detailed information on the operation of data deletion and modification (case code)-DML 1. SQL INSERT INTO statement (insert in table) The INSERT INTO statement is used to insert a new record into the table. SQL INSERT into Syntax The
Tags: SQL Server remote MaintenanceNow that many applications are in the cloud, the database requires remote management and maintenance, then the web-based approach is more secure and convenient.Treesoft database management software uses the Java development, uses the stable common SPRINGMVC+JDBC architecture, realizes
This is not a huge structural change, nor a short commitment, and in fact, Microsoft has continued to base its SQL Server products on, and wants it to be aware of its enormous role in managing massive amounts of data.
A Microsoft Business Intelligence conference was held in Seattle in 2007, where top management demonstrated a blue view of the new generation of
Tags: http COM uses strong OS issuesThere was an error when installing SqlServer2008 on the server (Win2008)- You must install or configure the Microsoft. NET Framework 3.5 SP1 using the Role management tool. At first thought it was not installed 3.5, later looked at the server has installed the VS2010, and then ruled
Label:Create a Bank data management system using Sql-server Ⅰ Author statement: Just started to write a blog, inevitably some deficiencies, and then I first involved in software development this industry, is a letter to the small white, the article will certainly appear some wrong place, hope to find the wrong friends can timely point out, insufficient places als
--sys.database_audit_specifications and--sys.database_audit_specification_details System View--Note that the audit are now started and scroll to--See the details provided for the audit specificationSELECT * fromsys.server_audits;SELECT * fromsys.database_audit_specifications;SELECT * fromsys.database_audit_specification_details;GO--Step 11:geenerate An auditable event by querying a table--In the Marketing schema. Also Execute a query--That's should not being audited.SELECT * fromMarketing.po
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