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Add primary key to existing table
...int_name>
alter table Persion add primary key (persionId,Pname,PMID)
edit:
you can find the constraint name by using the query below:
select OBJECT_NAME(OBJECT_ID) AS NameofConstraint
FROM sys.objects
where OBJECT_NAME(parent_object_id)='Persion'
and type_desc LIKE '%CONSTRAINT'
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Generate random password string with requirements in javascript
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edited Oct 16 '14 at 23:19
answered Mar 15 '12 at 12:35
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Git: how to reverse-merge a commit?
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edited Apr 5 '19 at 19:21
John Kugelman
292k6262 gold badges455455 silver badges506506 bronze badges
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Where can I set environment variables that crontab will use?
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edited Feb 9 '10 at 14:49
answered Feb 9 '10 at 14:43
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What is stack unwinding?
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edited Sep 11 '18 at 15:52
Alice
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answe...
How to read data From *.CSV file using javascript?
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edited May 23 '17 at 12:10
Community♦
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answered Sep 15 '11 a...
How can I create a two dimensional array in JavaScript?
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edited Aug 14 '19 at 6:32
Adam
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How can I check for Python version in a program that uses new language features?
... available in Python 2.5, just add from __future__ import with_statement.
EDIT: to get control early enough, you could split it into different .py files and check compatibility in the main file before importing (e.g. in __init__.py in a package):
# __init__.py
# Check compatibility
try:
eval("1...
How to add 10 days to current time in Rails
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edited Mar 16 '16 at 17:49
the Tin Man
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How to merge dictionaries of dictionaries?
...1, dict2, dict3...])
where everything will be added to dict1.
[note - i edited my initial answer to mutate the first argument; that makes the "reduce" easier to explain]
ps in python 3, you will also need from functools import reduce
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