Sybase configuration Parameters sp_configure ' max online engines ', 4
Go
--Configure the number of boot CPUs
sp_configure ' number of engines at startup ', 4
Go
--Configure Maximum memory count
sp_configure ' max memory ', 2097151
Go
--Allocating
After Sybase is installed, the program-Sybase contains the following items:
Dsedit Utility
Ocscfg Utility
SQL advantage
Sybase Central Java Edition
Server config
Sybase Software Asset Management (sysam)
To perform database operations, you must first
Abstr]
"Sybase database does not support subqueries, so ......", We often hear this in database development. Is Sybase really true? Let's go to the sybase database to see which subquery statements are supported and not supported respectively. Hope
sp_configure ' max online engines ', 4Go--Configure the number of boot CPUssp_configure ' number of engines at startup ', 4Go--Configure Maximum memory countsp_configure ' max memory ', 2097151Go--Allocating maximum stored procedure
Character numeric type:
Char, varchar, long varchar
Nchar, nvarchar, long nvarchar
-Compatible data types are implemented through domains: sysname (varchar (30), text (long varchar domain), ntext (long nvarchar domain), and XML (long
Functions are not supported in versions earlier than sybase12.5, but sometimes we need some functions, not just processes. Java can be used here, in addition, writing Java is certainly much better than writing a stored procedure. the ability or type
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
Performance case 02 -- sybase connection blocking, 02 sybase
Symptom:Recently, a problem was reported on the site. during the approval process, the system often gets stuck. The whole system is useless and the browser access is in the loading state.
I don't know how many people use Sybase for database development. With Sybase ase ado. net, the system is running normally after a lot of resistance is broken through. Further efforts should be made to increase data permissions. We used to judge
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
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