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Error There Is No Unique Constraint Matching Given Keys For Referenced Table

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Actually, I'm an idiot, and I was trying to be too smart when I wrote the email. asked 4 years ago viewed 31280 times active 1 month ago Get the weekly newsletter! How would a vagrant civilization evolve? Not the answer you're looking for?

Thank you Mark for your help! –daydreamer Nov 29 '11 at 20:14 add a comment| up vote 14 down vote The error tells you the problem: You don't have a unique instead, you have a primary key on instructor_id and instructor_name. Yes, that is exactly one of the "Caveats" in the documentation. –Gordon Linoff Apr 17 '15 at 23:03 add a comment| Your Answer draft saved draft discarded Sign up or The mortgage company is trying to force us to make repairs after an insurance claim Why is it a bad idea for management to have constant access to every employee's inbox

Error There Is No Unique Constraint Matching Given Keys For Referenced Table

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more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Not the answer you're looking for? Overlaying an image to cover a face in a video? Add Unique Constraint Postgres How?

Infinite sum of logs puzzle Appease Your Google Overlords: Draw the "G" Logo more hot questions question feed lang-sql about us tour help blog chat data legal privacy policy work here current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list. sql postgresql share|improve this question edited Aug 31 '13 at 18:16 Eric Leschinski 46.6k23221190 asked Nov 29 '11 at 20:05 daydreamer 19.4k71244420 add a comment| 3 Answers 3 active oldest votes share|improve this answer edited Oct 30 '15 at 13:33 answered Oct 30 '15 at 13:25 Gabriel's Messanger 1,325318 Isn't that what I've done? "UNIQUE(username, tech_id)" Edit: Ah, I see.

postgresql foreign-key share|improve this question asked May 1 '13 at 18:34 m_poorUser 1084 3 the FKs need to be on category_product. There Is No Unique Or Exclusion Constraint Matching The On Conflict Specification Tech ------------------------------- tech_id username, .... ------------------------------ 1 'John' 2 'Tony' 1 'Nataly' Acctually the better idea is to set reference by PRIMARY KEY, so in your case username in table Tech. I don't know what is wrong with this design or logic. You should ask another question (or search--I'm sure someone has already asked it here). –Flimzy Apr 15 '15 at 23:29 add a comment| up vote 2 down vote Don't you just

There Is No Unique Constraint Matching Given Keys For Referenced Table Postgres

Related 16No unique constraint matching given keys for referenced table29What is causing ERROR: there is no unique constraint matching given keys for referenced table?13postgresql foreign key syntax2Postgresql ERROR: there is no http://stackoverflow.com/questions/29704604/postgresql-error-there-is-no-unique-constraint-matching-given-keys-for-referenc Any better way to determine source of light by analyzing the electromagnectic spectrum of the light How would they learn astronomy, those who don't see the stars? Error There Is No Unique Constraint Matching Given Keys For Referenced Table If it is unique, you can just declare at as unique in the table where you have it now. –Gordon Linoff Apr 21 at 2:49 add a comment| Your Answer Postgresql There Is No Unique Constraint Matching Given Keys For Referenced Table more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed

How would a vagrant civilization evolve? To try and clarify. But when I tried to create tables with query below, I get this error: "there is no unique constraint matching given keys for referenced table 'category_product'". I need to pass all the primary keys from sections into enrollment, but I also want to pass an additional key ("sectionNumber"). Psycopg2.programmingerror: There Is No Unique Constraint Matching Given Keys For Referenced Table

more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Dry hopping and massive gas release Quick way to tell how much RAM an Apple IIe has why does my voltage regulator produce 5.11 volts instead of 5? Not the answer you're looking for? It could also be expressed as: FOREIGN KEY (evaluation_date) REFERENCES date_dimension(id); Then getting rid of the effective_date column, which would always be identical to evaluation_date in your example.

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share|improve this answer answered Apr 21 at 0:23 Gordon Linoff 466k20138212 thank you! Join them; it only takes a minute: Sign up PostgreSQL Error: there is not unique constraint matching given keys for referenced table up vote 0 down vote favorite I am making Please help me. +) I changed the order of create statement, and added unique key in table instructor, but still not working. Sqlalchemy Unique share|improve this answer edited Aug 15 '12 at 9:23 answered Aug 15 '12 at 9:09 T I 7,13421333 Column level constraint in my situation will not work I really

Make all the statements true How does the 11-year solar cycle alter the cosmic ray flux? What are "desires of the flesh"? more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Both columns together are unique in table Appointments.

Any better way to determine source of light by analyzing the electromagnectic spectrum of the light Redirecting damage to my own planeswalker (KevinC's) Triangular DeciDigits Sequence reduce() in Java8 Stream API Are there any rules or guidelines about designing a flag? (KevinC's) Triangular DeciDigits Sequence Dry hopping and massive gas release why does my voltage regulator produce 5.11 volts instead of 5? primary key(instructor_id, instructor_name)); –sagi Jun 7 at 8:14 @sagi that means that the combination of instructor_id & instructor_name is unique. How do I answer why I want to join a smaller company given I have worked at larger ones?

In it, you'll get: The week's top questions and answers Important community announcements Questions that need answers see an example newsletter By subscribing, you agree to the privacy policy and terms BEGIN; CREATE TABLE Person ( person_id SERIAL PRIMARY KEY, firstname VARCHAR(128), lastname VARCHAR(128), email_adr VARCHAR(128), UNIQUE(person_id), UNIQUE(email_adr) ); CREATE TABLE Phone ( person_id INT, phone_nr INT PRIMARY KEY, ); CREATE TABLE How to deal with players rejecting the question premise Why does the material for space elevators have to be really strong? Is it possible to have a planet unsuitable for agriculture?

Related 29What is causing ERROR: there is no unique constraint matching given keys for referenced table?0No unique constraint matching given keys1There is no unique constraint matching given keys for referenced table2Postgresql You could add a unique constraint to capitals, but this would not prevent duplication compared to cities. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed See also http://www.postgresql.org/docs/9.1/static/ddl-constraints.html#DDL-CONSTRAINTS-FK and specifically: Finally, we should mention that a foreign key must reference columns that either are a primary key or form a unique constraint.

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