“SQL default” Kode Jawaban

cara menambahkan kendala default di mysql

ALTER TABLE "name_table" ALTER "name_column" 
SET DEFAULT value_default;
icy_milktea27

Nomor default di SQL

//Sql Server

//Add a table 
ALTER TABLE clients ADD Points INT DEFAULT 0
//Edit an existing table
ALTER TABLE clients ADD CONSTRAINT points DEFAULT 0 FOR Points
Uninterested Unicorn

Tambahkan Kolom Alter Tabel Nilai Default

ALTER TABLE PERSON
ADD IS_ACTIVE VARCHAR2(1) DEFAULT 'N' NOT NULL
Prasanth PPS

Kendala Default SQL

CREATE TABLE Persons (
    ID int NOT NULL,
    LastName varchar(255) NOT NULL,
    FirstName varchar(255),
    Age int,
    City varchar(255) DEFAULT 'Sandnes'
);
naly moslih

SQL default

Sets a default value for a column;
Example 1 (MySQL): Creates a new table called Products which has a
name column with a default value of ‘Placeholder Name’ and an available_
from column with a default value of today’s date.
CREATE TABLE products (
id int,
name varchar(255) DEFAULT 'Placeholder Name',
available_from date DEFAULT GETDATE()
);
Example 2 (MySQL): The same as above, but editing an existing table.
ALTER TABLE products
ALTER name SET DEFAULT 'Placeholder Name',
ALTER available_from SET DEFAULT GETDATE();
DevLorenzo

Kendala Default SQL

CREATE TABLE College (
  college_id INT PRIMARY KEY,
  college_code VARCHAR(20),
  college_country VARCHAR(20) DEFAULT 'US'
);
SAMER SAEID

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