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MySQL “between” clause not inclusive?
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From the MySQL-manual:
This is equivalent to the expression
(min <= expr AND expr <= max)
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Best data type to store money values in MySQL
I want to store many records in a MySQL database. All of them contains money values. But I don't know how many digits will be inserted for each one.
Which data type do I have to use for this purpose?
VARCHAR or INT (or other numeric data types)?
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Possible to do a MySQL foreign key to one of two possible tables?
...ut logical XOR is not standard SQL and is not supported by all SQL brands. MySQL has it, but PostgreSQL does not. Oracle has it, but Microsoft does not until 2016. And so on.
– Bill Karwin
Aug 19 '15 at 15:09
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How to get the number of days of difference between two dates on mysql?
I need to get the number of days contained within a couple of dates on MySQL.
6 Answers
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How can I temporarily disable a foreign key constraint in MySQL?
Is it possible to temporarily disable constraints in MySQL?
10 Answers
10
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Python os.path.join on Windows
...join('c:', os.sep, 'sourcedir')
Since you also need os.sep for the posix root path:
mypath = os.path.join(os.sep, 'usr', 'lib')
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In PHP with PDO, how to check the final SQL parametrized query? [duplicate]
In PHP, when accessing MySQL database with PDO with parametrized query, how can you check the final query (after having replaced all tokens)?
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Maximum length for MySQL type text
... value of a textarea appropriate to the max length of a text field in my MySQL database table. How many characters can a type text field store?
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MySQL indexes - what are the best practices?
I've been using indexes on my MySQL databases for a while now but never properly learnt about them. Generally I put an index on any fields that I will be searching or selecting using a WHERE clause but sometimes it doesn't seem so black and white.
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How do I list all files of a directory?
... os
# Getting the current work directory (cwd)
thisdir = os.getcwd()
# r=root, d=directories, f = files
for r, d, f in os.walk(thisdir):
for file in f:
if file.endswith(".docx"):
print(os.path.join(r, file))
os.listdir(): get files in the current directory (Python 2)
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