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I am using postgreSQL. I have a column that:
NOT NULL
However when I want to insert a row with an empty string as like:
''
it doesn’t give me an error and accepts. How can I check insert value should be not empty? (Neither empty nor null)
PS: My column defined as:
"ads" character varying(60) NOT NULL
Add a constraint to column definition. For example something like:
For more, see http://www.postgresql.org/docs/current/static/ddl-constraints.html