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SQL CHECK Constraint

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SAMER SAEID answered on February 24, 2021 Popularity 9/10 Helpfulness 4/10

answer SQL CHECK Constraint

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SQL CHECK Constraint

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CREATE TABLE Orders (
  order_id INT PRIMARY KEY,
  amount INT CHECK (amount > 0)
);

Popularity 9/10 Helpfulness 4/10 Language sql

Source: Grepper

Tags: check-constraint sql

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Contributed on May 22 2022

SAMER SAEID

0 Answers Avg Quality 2/10

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check constraint in sql

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CREATE TABLE Persons (
    ID int NOT NULL,
    LastName varchar(255) NOT NULL,
    FirstName varchar(255),
    Age int,
    City varchar(255),
    CONSTRAINT CHK_Person CHECK (Age>=18 AND City='Sandnes')
);

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Source: Grepper

Tags: check-constraint chec

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Contributed on Feb 24 2021

Good Gerenuk

0 Answers Avg Quality 2/10

check constraint in sql

Comment

#For one column
CREATE TABLE Persons (
    ID int NOT NULL,
    LastName varchar(255) NOT NULL,
    FirstName varchar(255),
    Age int CHECK (Age>=18)
);

Popularity 10/10 Helpfulness 4/10 Language sql

Source: Grepper

Tags: check-constraint chec

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Contributed on Feb 24 2021

Good Gerenuk

0 Answers Avg Quality 2/10

check constraint in sql

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#Add Check
ALTER TABLE Persons
ADD CONSTRAINT CHK_PersonAge CHECK (Age>=18 AND City='Sandnes');

#Drop Check 
ALTER TABLE Persons
DROP CHECK CHK_PersonAge;

Popularity 9/10 Helpfulness 3/10 Language sql

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Contributed on Feb 24 2021

Good Gerenuk

0 Answers Avg Quality 2/10

check constraint in ms sql

Comment

-1

/*Adding Check constraint in sql server*/
ALTER TABLE (Table_Name)
ADD CONSTRAINT (Constraint_Name) CHECK (Boolean_Expression)

Popularity 9/10 Helpfulness 2/10 Language sql

Source: Grepper

Tags: check-constraint chec

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Contributed on Jun 09 2021

Rajput

0 Answers Avg Quality 2/10

SQL CHECK Constraint

Comment

CREATE TABLE Orders (
  order_id INT PRIMARY KEY,
  amount int CHECK (amount >= 100)
);

Popularity 9/10 Helpfulness 2/10 Language sql

Source: Grepper

Tags: check-constraint chec

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Contributed on May 22 2022

SAMER SAEID

0 Answers Avg Quality 2/10

SQL CHECK Constraint

Comment

CREATE TABLE Persons (
    ID int NOT NULL,
    LastName varchar(255) NOT NULL,
    FirstName varchar(255),
    Age int,
    CHECK (Age>=18)
);

Popularity 9/10 Helpfulness 2/10 Language sql

Source: Grepper

Tags: check-constraint chec

Link to this answer
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Contributed on May 23 2022

naly moslih

0 Answers Avg Quality 2/10

SQL CHECK Constraint

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