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In Postgresql, force unique on combination of two columns
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CREATE TABLE someTable (
id serial primary key,
col1 int NOT NULL,
col2 int NOT NULL,
unique (col1, col2)
)
autoincrement is not postgresql. You want a serial.
If col1 and col2 make a unique and can't be null then they make a good primary key:
CREATE TABLE someTab...
How can I consume a WSDL (SOAP) web service in Python?
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10 Answers
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How do I ALTER a PostgreSQL table and make a column unique?
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edited May 23 '17 at 12:02
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answered Jan 22 '09 at 15:22
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spring boot default H2 jdbc connection (and H2 console)
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14 Answers
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Difference between array_push() and $array[] =
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152
When you call a function in PHP (such as array_push()), there are overheads to the call, as PH...
href overrides ng-click in Angular.js
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16 Answers
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Custom HTTP Authorization Header
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133
The format defined in RFC2617 is credentials = auth-scheme #auth-param. So, in agreeing with f...
How to extract a string using JavaScript Regex?
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91
You need to use the m flag:
multiline; treat beginning and end characters (^ and $) as worki...
How to configure slf4j-simple
api 1.7 and slf4j-simple as implementation. I just can't find how to configure the logging level with this combination.
4 ...
How to do a regular expression replace in MySQL?
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13 Answers
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