Showing posts from 2015

SQL Max Memory Limit Too Low: Increase SQL server Maximum Memory from Command Prompt

SQL Server is well known for being a memory hog. When installed, the default configuration allocates a ridiculous amount of memory (2147483647 MB) to the instance. In effect, this grants SQL Server a…

What's the best PAGE_VERIFY setting

I always set this value to CHECKSUM. When CHECKSUM is enabled for the PAGE_VERIFY database option, the SQL Server Database Engine calculates a checksum over the contents of the whole page, and stores…

What causes Multi-Page allocations?

In SQL Server versions before SQL 2012 single page allocations and multi-Page allocations are handled by different components, the Single Page Allocator (which is responsible for Buffer Pool allocati…

SQL Maintenance Plan error “Could not generate mail report.An exception occurred while executing a Transact-SQL statement or batch.No global profile is configured. Specify a profile name in the @profile_name parameter.”

Some body have this error : Could not generate mail report.An exception occurred while executing a Transact-SQL statement or batch.No global profile is configured. Specify a profile name in the @prof…

Difference between DateTime2, DateTime and SmallDateTime

Here are the main differences you should know about these three date types:   Range of Dates Accuracy Size usage …

Identifying Unused Databases

This is one of the issues the consultant faces, when there client has little documentation on the systems and the databases they use.  The first step in this process is simply looking at the date &am…

Backup database to disk = ‘Nul’

To understand what this is doing, first we need to understand what Nul is, in the context of a file. It is not just a misspelling of NULL. DOS, since the earliest days, has had a number of devices …

How to recover space from a huge transaction log file

Most of the novice dba’s forget to take the transaction log backups, which eventually ends up consuming a lot of disk space. This is one of the questions people ask me very often. Here are the steps …

What causes Multi-Page allocations?

In SQL Server versions before SQL 2012 single page allocations and multi-Page allocations are handled by different components, the Single Page Allocator (which is responsible for Buffer Pool allocati…
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