What is page size in Sybase?

What is page size in Sybase?

An 8K page size is the default for most databases. However, for Sybase the default page size is 2K, and Sybase does not allow rows to span pages.

How do I increase the size of my Sybase database?

Increasing Default Database Sizes

  1. In isql, use alter database to increase the size of the master database. For example: 1> use master 2> go 1> alter database master on master= x 2> go.
  2. Repeat this step to increase the size of each of the tempdb and the model databases.
  3. Verify the size of each database.

How do I check my DB space in Sybase?

By running sp_spaceused regularly, you can monitor the amount of available database space. For example, if the reserved value is close to the database_size value, it indicates that you are running out of space for new objects.

How do I know if Sybase is online?

You can use sp_helpdb to find out whether a database is currently online, online for standby access, or offline.

What is Sybmgmtdb?

The sybmgmtdb database stores jobs, schedules, scheduled jobs information, and data needed by the internal Job Scheduler task for processing. sybmgmtdb also maintains the output and results from these executed tasks.

What is Dbspace in Sybase?

The SYSTEM dbspace The IQ catalog dbspace named SYSTEM contains metadata for your IQ database, stored in the same format as tables in a SQL Anywhere relational database system. SQL Anywhere is a relational database system that can exist with or without IQ.

How do I find the default segment space in Sybase?

The “status” column indicates which segment is the default pool of space. Use sp_placeobject or the on segment_name clause of the create table or create index command to place objects on specific segments. The “indid” column is 0 if the table does not have a clustered index and is 1 if the table has a clustered index.

How do I start a DB in Sybase?

Make sure you are logged in with user syb. Here you see the configuration files (Runserver) RUN_ (Database server) and RUN__BS (Backup server). Use command startserver to start each server process.

How do I find my scheduler in Sybase?

From the appropriate Adaptive Server, right-click the Scheduled Jobs folder for which you want to administer your job. The Job Scheduler Administration dialog box opens. From the Task Configuration tab, you can: See if the Job Scheduler Task is running.

What is ASE job scheduler?

Job Scheduler is a method that allows database administrators to run unattended jobs according to a set time and date schedule. …

What is a Dbspace?

A dbspace is a logical unit that can contain between 1 and 32,766 chunks. The database server uses the dbspace to store databases and tables. Place databases, tables, logical-log files, and the physical log in dbspaces. When you create a standard or temporary dbspace, you can specify the page size for the dbspace.

How to find the page size of a server?

@@maxpagesize returns the server’s logical page size. It’s basically the same value you’d get by using the following: So multiplying a number of pages by @@maxpagesize returns the corresponding number of bytes. 1048576 is the number of bytes in a megabyte.

Why do we exclude segmap = 4 in Sybase?

That’s why we exclude segmap = 4 when computing values for the “data” columns, consider only segmap = 4 for the columns related to the size of the log segment or it’s usage. But we do consider both segmap=4 and segment=7 for the usage percentage of the log since when both are on the same segment, a full segment would also indicate a full log.

When to use the third parameter in Sybase?

The third parameter (we provide here sysusages.unreservedpgs) is returned instead of the value in memory when the database is not opened i.e. not in use. This entry was posted in Sybase. Bookmark the permalink .