In the database implementation, the locking mechanism is used to control the concurrent access of the database to ensure the correctness of database access. By definition:
Locking is a concurrency control mechanism that ensures that data is consistent across transactions in the same transaction. In a multiuser environment, locking is required because several users may be using the same data at the same time. Sybase Lock Classification
According to the
In the process of using the Sybase database, we often encounter a lock on the Sybase database system, and in most cases the user must log on to the system through the Superuser identity to handle the process. In order to ensure the security of Sybase database system, Superuser password is often in the hands of the database administrator.
When the above situation
network management monitoring system and local phone network management and centralized monitoring system. Both systems use the three-tier client/server architecture and Sybase relational database management system, and set up a data transformation layer inside the system, including fault management, performance management, resource allocation management, security management and accounting management. In the telephone switching network management sys
First download the Sybase ASE 12.5 installation files, download the address for Http://download.sybase.com/eval/ASE_1252_DE/ase1252_de_win.zip
There is also the Sybase ASE 12.5 Client (Http://download.sybase.com/eval/ASE_1252_DE/pcclient_1252.zip), which, of course, also includes the Sybase client in the first download address, Users can no longer specialize in
Tags: sybase create user Sybase Create multiple users under the same databaseSybase a database can be built multiple users, the objects between multiple users do not interfere with each other, you can achieve the needs of multiple users for multiple environments.System default system administrator account and password: SA usedefaultPreparing to: Install the Sybase
Label:a). Sybase Database Product BriefSybase/' Saibeis/:system base abbreviation ase:adaptive Server Enterprise (Business-class applicable server)Sybase ASE: For enterprise-class applicationsSybase IQ: For Data WarehouseSybase ASA: For Mobile and embedded databases (the vast majority of markets that occupy mobile and embedded databases)TWO). The architecture of Sybase
How does VB connect to the sybase Database in UNIX-general Linux technology-Linux technology and application information-the following is a detailed description. First, my machine has installed the sybase client program. The ODBC data source can also see the Driver of 'sybase ase odbc Driver '. Now suppose that the ip address of the
Creation and use of Sybase stored procedures 2000-08-16 14:52:02
Features of Stored Procedures
Sybase stored procedures are pre-defined and compiled transactions centrally stored in SQL Server. Stored procedures consist of SQL statements and flow control statements. Its functions include accepting parameters, calling another process, and returning a status value to the call process or batch process, ind
How to solve sybase ASE log Overflow
1. Prepare the database environment
-- Create a device disk init name = 'dat1', physname = '/opt/sybase/data/dat1', size = '1m' disk init name = 'log1 ', physname = '/opt/sybase/data/log1', size = '1m' -- the device is too small, extended disk resize name = 'dat1 ', size = '1m '-- create database test on dat1 = '2m' log on log
Sybase ASE introduced a set of Monitoring tables since 12.5.0.3, called the MDA tables of the latter of montables. You can use the MDA table to monitor and diagnose Sybase ASE. The monitoring table stores snapshot snapshots for statistics and summary of ASE status. We can query these Monitoring tables like other system tables (such as sysobjects, sysindexes, and syscolumns.
In version 12. X, the MDA table i
After you download ase15.0.2 from the Sybase official website, if you select to install express edition or Developer Edition, you will not encounter any problems, except for some limited functions.
However, most of them may be Enterprise Edition for evaluation, that is, Enterprise Edition trial. This problem occurs when the license expires one month later and the server cannot be started. As a result, it is very depressing. Most people may choose to u
-What should I do if a database server cannot be started and cannot log on to the database even though the service is enabled. There is a method as a last resort:
⊙ Uninstall and reinstall the database. before reinstalling the database, you need to back up the user database data file and stop the service!
⊙ Start the database server as a single user. Change the run _ (Service name). BAT file under install under the Sybase installation directory, a
I have already compiled two documents about oracle transparent gateway connecting mysql database and sqlserver database. I thought it would not connect to other databases through transparent gateway.
I have already compiled two documents about oracle transparent gateway connecting mysql database and sqlserver database. I thought it would not connect to other databases through transparent gateway.
I have already compiled two documents about connecting the Oracle transparent gateway to the my
The version used is Sybase Adaptive server12.5. It seems that version 12. X does not support win7.
Installation interface garbled problem: Find the installation directory Sybase/Server/shared-1_0/jre1.2.2/lib, there are the following font file, copy font. properties. zh. nt5.1 and rename the copy to font. properties. zh. nt6.1
During the installation, it is best to run setup.exe with the administrator I
, which describes the processing ability of the system when multiple users are querying at the same time. In other words, it also fully represents the parallel processing capability of the system. (The bigger the data, the better)
C.qphd: That is, the price performance ratio. (The smaller the data the better)
5. Parallel processing capability of the system
6. Complexity of System Management
7. Availability and reliability of the system
8. Scalability of the system
After careful repeated ev
Brief introduction
I recently participated in a project to migrate a Sybase database to Microsoft SQL Server 2000, and my experience with this project will help the Sybase database administrator migrate the Sybase database to the SQL Server 2000 platform.
Although some of the differences are quite large, for example, stored procedures in the
transmitting the required information to the group headquarters.
Group headquarters: Collects the business information within the jurisdiction, accepts the business information transmitted by the provincial company, stores the information, analyzes and counts the information.
To sum up, in the Sinopec Sales management system, the selected database manufacturers need to solve the following problems:
The system involves a wide range, many levels, hardware environment and business needs are dif
Sybase Replication Server Application Plan VI
Replication servers support the replication of data between Sybase and non-Sybase databases, such as the Sybase replication agent, to obtain update transactions on the DB2 database on the IBM host and replicate to ASE's replication server for decision support systems. This
-business infrastructure solution Provider, Sybase has taken the lead in incorporating features that fit the needs of the times and trend evolution in its products, helping current telecom operators to address the challenges of system evolution and thus drive them forward. Recently, Sichuan Mobile Communications Corporation in its latest GPRS billing system using Sybase's database solution, successfully solved the new business billing problem, at the
Location: USABusiness area; financial ServicesSystem platform: DEC AlphaSybase Company Products: Sybase omniconnect, Sybase Open Server, Sybase adaptive Server Enterprise Bridge Information System (bridge) is a global financial information company, It serves 75,000 users in 6,500 institutions around the world, including banks, brokers, public funds and retirement
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