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71 Cards in this Set
- Front
- Back
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8.00.193
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SQL2000 RTM
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8.00.534
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SP2
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8.00.760
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SP3
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8.00.384
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SP1
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ODBC provides what?
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The transport layer for data transmission
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Account Framework Format? characters and segments
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9-66 characters
3-10 segments |
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What do you need in order to use the chart of accounts?
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4 characters in segment 2!
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Max storage size for the account framework and how to compute?
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82 characters.
Just add 2 to the even segments and add 1 to the odd segments. |
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Perform Translation for character data?
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CLEAR THIS BOX! may cause issues with password encryption
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ANSI?
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CLEAR ANSI CHECKBOXES!
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Company ID format?
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5 characters.
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Why use template to install client workstations? (3 reasons)
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1) Consistency between client installations
2) CD not necessary 3) reduced GUI time to start install on subsequent machines |
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What if passwords are not working?
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Uncheck ANSI options in ODBC.
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What if system password not working?
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run that tricky SQL statement
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Supported DPS platforms?
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Win2k, WinNT Server and Pro, XP Professional
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How do you identify computers in the process server environment?
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with NAMES! no ip addresses
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How does DPM choose DPS? 2things
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1) CPU speed of DPS
2) number of jobs in DPS' queue |
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What if DPM goes offline? DPM is passive.
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Load balancing cannot continue, however, jobs continue to process.
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What machine gets DPS?
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A dedicated machine
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Multiprocessing and DPS?
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If multiprocessing, then can run multiple DPSs
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What data can be off-loaded to a DPS?
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1) only global scripts
2) tasks not requiring user action |
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Server numbers and services?
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Keep the number of servers in a service consistent.
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Order of process server setup?
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DPM->Process Server->Process Services
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User classes (2 things)
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1) apply to all companies
2) optional! |
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User class and rolling?
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changes roll down and overwrite individual settings.
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What if not specify class?
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user can access all items
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Major benefits of RAID?
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1) performance
2) fault tolerance |
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Why is RAID 1 mirror better for logs?
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Better write performance
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Advantages of RAID 5 for data?
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1) Faster reads that RAID 1
2) Less disk space than RAID 1 |
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Cache Hit Ration at 87%!!!
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It's okay...that's within acceptable range.
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Lazy Writer?
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Indicates aged pages are in the buffer. Having work in the disk queue like this indicates the disk is overburdened. Add more disks or get faster drives.
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Bottleneck order priority?
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1) Memory
2) Disk 3) Network 4) CPU |
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Guidline for optimizing SQL
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let sql optimize itself!
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What does MBS recommend to do to maximum server memory for sql?
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Reduce by 5-15% tp reduce chance of other apps paging?
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What does MBS recommend doing for minimum server memory for sql?
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increase by 5%
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Where are paths to dictionaries stored?
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dynamics.set
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what is in dex.ini? company, last odbc, last user
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last company connected to, and last user
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duinstall.log? what is it, what's in it?
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installation log file. has sql server version amongst other things.
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default db settings?
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1) Auto Update Stats
2) Auto Create Stats 3) Torn Page Detection |
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how do you move db from raid 1 to raid 5?
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detach and attach it
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installerrors.txt
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stores installation errors
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Tuning
Memory Pages/Sec |
Above 20 is a problem
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Tuning
Memory Available Bytes |
Low values should be investigated
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Tuning
PhysicalDisk\DiskTime |
Above 90% is a problem
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Tuning
PhysicalDisk\CurrentDiskQueueLength |
Above the number of spindles plus 2
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Tuning
Network Interface\Bytes received |
Drops indicate network interferance
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Tuning
Network Interface\Bytes Sent |
Drops indicate network interferance
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Tuning
Network Interface\Bytes Total |
Drops indicate network interferance
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Tuning
Processor\Processor Time |
80-90%+ is a problem
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Tuning
Processor\Interrupts per sec |
dramatic increase w/o increase in activity is a problem
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Tuning
System Processor\Queue Length |
Above 10 is a problem
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Tuning
Network Interface\Bytes Sent |
Drops indicate network interferance
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Tuning
Network Interface\Bytes Total |
Drops indicate network interferance
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Tuning
Processor\Processor Time |
80-90%+ is a problem
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Tuning
Processor\Interrupts per sec |
dramatic increase w/o increase in activity is a problem
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Tuning
System Processor\Queue Length |
Above 10 is a problem
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Tuning
Dynamic Memory Allocation and SQL |
is good....let this happen
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Tuning
Boost SQLServer priority on NT |
Make sql run higher than NT scheduler
15/24 instead of 7/15 single cpu/multi-cpu |
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Tuning
RAID 10? |
combines mirroring and stip parity
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Tuning
How many disks - RAID 1 vs RAID 5 |
RAID 1 = 2
RAID 5 = 3-32 |
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Tuning
Selectivity |
-estimate of percentage of rows returned
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Tuning
SQLServer profiler |
analyze workload
analyze if indexes are causing a bottleneck |
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Tuning
Cache HIT ratio < 80% |
memory may be a bottleneck
....measures percent of instances where sprocs and triggers are accessed in cache memory |
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Tuning
SQLServer:Buffer Manager:Buffer Cache Hit Ratio |
if low, then memory a bottlenect
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Tuning
Memory Page Faults is high |
Increase system memory
Eliminate non-critical system procs |
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Tuning
Process:Working Set is below the min for SQL |
then sql is allocated more memory than it needs
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SQLServer: Buffer Lazy Manager is active for extended intervals
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disk subsystem may not be adequate
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Avg Disk Queue Length > 2?
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these mean CONGESTION! Increase number of drives/
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DBCC DBREINDEX
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Reindexes tables
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DBCC CHECKDB
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check database integrity
checks data pages and tables |
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Reconcile
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compares corressponding data and deletes orphans
also makes sure corressponding data is the same and makes corrections if not so |
