大约有 40,000 项符合查询结果（耗时：0.0309秒） [XML]
MySQL dump by query
...
not mysqldump, but mysql cli...
mysql -e "select * from myTable" -u myuser -pxxxxxxxxx mydatabase
you can redirect it out to a file if you want :
mysql -e "select * from myTable" -u myuser -pxxxxxxxx mydatabase > mydumpfile.txt
Update:
Original post asked if he could dump f...
Should I use the datetime or timestamp data type in MySQL?
...y default, so to solve that matter U should write Your own trigger to that table, to insert current date (without time) in the field/col with DATE mysql type.
– Arthur Kushman
Oct 15 '12 at 19:13
...
Are soft deletes a good idea? [duplicate]
...ow have to include a WHERE IsDeleted = false clause in every query on this table (and so much worse if you're JOINing these tables). A mistake here would be caught as soon as a user or tester noticed a deleted record showing up again, which might take some time. Also, it would be easy for a develo...
How to get the mysql table columns data type?
I want to get the column data type of a mysql table.
11 Answers
11
...
SQL exclude a column using SELECT * [except columnA] FROM tableA?
We all know that to select all columns from a table, we can use
41 Answers
41
...
How do I integrate Ajax with Django applications?
...lly, with ajax it is failing. With ajax, I am able to save only the header table data. But when I am trying to save child table data also, it is failing with error 400 (Bad request). Tried PDB but could not resolve it.
– shaan
Jul 15 at 6:28
...
How do I get SUM function in MySQL to return '0' if no values are found?
...Use COALESCE to avoid that outcome.
SELECT COALESCE(SUM(column),0)
FROM table
WHERE ...
To see it in action, please see this sql fiddle: http://www.sqlfiddle.com/#!2/d1542/3/0
More Information:
Given three tables (one with all numbers, one with all nulls, and one with a mixture):
SQL Fidd...
Insert results of a stored procedure into a temporary table
How do I do a SELECT * INTO [temp table] FROM [stored procedure] ? Not FROM [Table] and without defining [temp table] ?
...
Is “else if” a single keyword?
... a single keyword if we go to the draft C++ standard section 2.12 Keywords table 4 lists both if and else separately and there is no else if keyword. We can find a more accessible list of C++ keywords by going to cppreferences section on keywords.
The grammar in section 6.4 also makes this clear:
...
An efficient compression algorithm for short text strings [closed]
...
Check out Smaz:
Smaz is a simple compression library suitable for compressing very short
strings.
share
|
improve this answer
|
follow
|
...