“check sql” Code Answer

sql by Breakable Barracuda on May 24 2020 Donate

ALTER TABLE <table>
ADD CONSTRAINT chk_val CHECK (col in ('yes','no','maybe'))

sql by Breakable Barracuda on May 24 2020 Donate

CREATE TABLE test(
    _id BIGINT PRIMARY KEY NOT NULL,
    decision NVARCHAR(5),
    CHECK (decision in ('yes','no','maybe'))
);

sql by Uninterested Unicorn on Jul 05 2020 Donate

CREATE TABLE Persons
(

    ID int NOT NULL,

   
LastName varchar(255) NOT NULL,

   
FirstName varchar(255),

   
Age int,

   
CHECK (Age>=18)

);

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