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Can I run multiple programs in a Docker container?
... inside single container. This is an example of a docker container running mysql, apache and wordpress within a single container.
Say, You have one database that is used by a single web application. Then it is probably easier to run both in a single container.
If You have a shared database that is...
When and why are database joins expensive?
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MySQL, Oracle, SQL Server, Sybase, postgreSQL,etc. care not the order of joins. I've worked with DB2 and it also, to my knowledge, doesn't care what order you put them in. This is not helpful advice in the general case
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Why use a READ UNCOMMITTED isolation level?
... will in practice be writing corrupted data. Also the article stated that "MySQL, which grew up on web apps, is much less pessimistic out of the box than SQL Server". Not true, Sql Server works at read-commited level by default, while MySQL works at repeatable-reads by default, five levels away from...
ACE vs Boost vs POCO [closed]
...t time. There are other classes I could use but haven't tried, e.g. Data::MySQL (I'm happy with mysql++) and Net::HTTP (I'm happy with libCURL). I'll try out the rest of Poco eventually, but that's not a priority at this point.
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generate days from date range
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The question is mysql tagged...
– Sebastian Palma
Aug 31 at 18:48
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How to do an INNER JOIN on multiple columns
...ave an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'INNER_JOIN airports to_port ON (to_port.code = flights.tairport) WHERE ' at line 7
– Kiril
Mar 2 '10 at 21:26
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What is PostgreSQL explain telling me exactly?
MySQL's explain output is pretty straightforward. PostgreSQL's is a little more complicated. I haven't been able to find a good resource that explains it either.
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Creating a config file in PHP
...ction to escape data for embedding into PHP code as exists for HTML, URLs, MySQL statements, shell commands....
Serialized data
This is relatively efficient for small amounts of configuration (up to around 200 items) and allows for use of any PHP data structure. It requires very little code to crea...
When should I use a NoSQL database instead of a relational database? Is it okay to use both on the s
...roblems where a RDBMS is not a viable solution, for all other things I use MySQL (or SQLite for testing).
If you need a NoSQL db you usually know about it, possible reasons are:
client wants 99.999% availability on
a high traffic site.
your data makes
no sense in SQL, you find yourself
doing mult...
How does the SQL injection from the “Bobby Tables” XKCD comic work?
...ample, you can only run multiple statements in one SQL string by using the mysqli_multi_query function.
You can, however, manipulate an existing SQL statement via SQL injection without having to add a second statement. Let's say you have a login system which checks a username and a password with th...