大约有 5,887 项符合查询结果（耗时：0.0328秒） [XML]
Insert Update trigger how to determine if insert or update
I need to write an Insert, Update Trigger on table A which will delete all rows from table B whose one column (say Desc) has values like the value inserted/updated in the table A's column (say Col1). How would I go around writing it so that I can handle both Update and Insert cases. How would I dete...
How do you create a yes/no boolean field in SQL server?
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And if you link the table in an Access database, true will have the value -1 and false will have the value 0. At least in Access 2003. (This is the version I had handy that was connected to a customer's MSSQL database).
–...
How do I remove the first characters of a specific column in a table?
...ow can I remove the first 4 characters of values of a specific column in a table? Column name is Student Code and an example value is ABCD123Stu1231 .
I want to remove first 4 chars from my table for all records
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method of iterating over sqlalchemy model's defined columns?
... it is actually much easier because if you inherit from Base, you have a __table__ attribute, so that you can do:
for c in JobStatus.__table__.columns:
print c
for c in JobStatus.__table__.foreign_keys:
print c
See How to discover table properties from SQLAlchemy mapped object - similar ...
How can I make Bootstrap columns all the same height?
...margin-bottom: -99999px;
padding-bottom: 99999px;
}
Solution 2 using table
Demo
.row {
display: table;
}
[class*="col-"] {
float: none;
display: table-cell;
vertical-align: top;
}
Solution 3 using flex added August 2015. Comments posted before this don't apply to this sol...
How do I find a specific table in my EDMX model quickly?
I was wondering if anyone knows a quicker way to find a table in the EDMX model than just scrolling through the diagram and looking for the thing. Our database has around 50 tables in it and when I'm looking for a specific one it's just a chore to see where VS put the thing.
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How to get multiple counts with one SQL query?
...(case when level = 'personal' then 1 else 0 end) AS PersonalCount
FROM yourtable
GROUP BY distributor_id
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Mocking python function based on input arguments
...om a database and we would like to test this module by mocking pd.read_sql_table method (which takes table_name as argument).
What you can do is to create (inside your test) a db_mock method that returns different objects depending on the argument provided:
def db_mock(**kwargs):
if kwargs['ta...
Run PostgreSQL queries from the command line
I inserted a data into a table....I wanna see now whole table with rows and columns and data. How I can display it through command?
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MySQL Great Circle Distance (Haversine formula)
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@FosAvance Yes, this query would work if you have markers table with id, lan and lng fields.
– Pavel Chuchuva
Mar 29 '14 at 23:08
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