Identity sql Server primárny kľúč

Príklady kódu

8
0

ako auto prírastok v sql

CREATE TABLE IF NOT EXISTS Persons (
    Personid int NOT NULL AUTO_INCREMENT,
    LastName varchar(255) NOT NULL,
    FirstName varchar(255),
    Age int,
    PRIMARY KEY (Personid)
);
INSERT IGNORE INTO Persons (FirstName,LastName)
VALUES ('Lars','Monsen');
4
0

prírastok id ms sql server

CREATE TABLE IF NOT EXISTS Persons (
    Personid int IDENTITY(1,1) PRIMARY KEY,
    LastName varchar(255) NOT NULL,
    FirstName varchar(255),
    Age int
);

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