How to keep databases running smoothly
Databases not running smoothly
can be responsible for bad business performance. More often than not, there’s a
simple explanation for why a database isn’t working properly and, with a few
simple changes, you can help keep them in good working order.
It can make good business sense
to use an IT support provider, such as
Ubertas, to maintain your databases but, in
any case, it is useful for you to have a good understanding of how they work.
Follow these simple steps to keep
things running smoothly.
Keep your database statistics up to date. Most databases use
indexes to run so keeping your data in these indexes up to date makes sense. If
there’s no information in an index field or they haven’t been updated for a
while, chances are it won’t know which information to use or will extract the
wrong bits.
Optimise your indexes. As well as keeping your indexes up to date,
be sure to optimise them. Creating optimised indexes with more than one field
for search queries and clustered indexes which determine the order of results
speed up search queries and help your databases run smoothly.
Only pull the columns you need. A lot of database users select more
data than they need, resulting in hundreds - or sometimes thousands - of
columns being pulled which you simply won’t use. And, not surprisingly, huge,
complex queries like this sometimes don’t pull at all. The same thing can
happen if you reuse code without thinking about it. For this reason, it is good
to be as succinct as you can with your data queries.
Don’t allow user interaction while the transaction’s in progress. Leave
the query or transaction to do its thing before you or anyone else goes into it
to avoid incorrect data being pulled.
Maintain the database disc regularly. If a database isn’t running
smoothly, it might be down to the disc. Make sure out-of-date information and
files are deleted and perform a defragmentation of the disc occasionally.
Check your hardware can cope with your databases. Sometimes
poorly-performing databases are simply down to a hard drive not being powerful
enough or not having enough memory. Adding a bit more or updating it can solve
the problem. You can also select the
memory limit on most databases, known as the MAX memory. If it’s too low, you might find bottlenecks
and crashes when multiple users are searching for queries.
Check your input/output device. Can your device adequately cope
with your database? Sometimes poor connections or incorrectly configured
devices can be to blame for poor database performance, so it’s worth checking
all yours are okay.
Most databases require regular
tuning to keep them running smoothly, much like your family car. The databases
you have now probably don’t need a massive overhaul but making a few tweaks and
creating new indexes will usually iron out problems.
Following these tips will keep
your databases running smoothly by maximising your system resources, helping
you to perform tasks as efficiently and as rapidly possible.
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