영어에서 Not null 을 사용하는 예와 한국어로 번역
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Colloquial
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Ecclesiastic
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Ecclesiastic
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Programming
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Computer
Not null.
Salary NUMBER NOT NULL.
NOT NULL: Fields must be entered.
Where stop is not null;
Combines a NOT NULL constraint and a unique constraint.
Where deptno is not null;
Term int unsigned not null auto_increment primary key.
Where LastName is not null;
Created_at' timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP.
We did have a thing not null.
Likewise, is null and is not null may be used to test for null values.
Where recommendedby is not null.
If the comments argument is not null, then an ASCII character, the comments string, and a line separator are first written to the output stream.
Shipment_id| integer| not null.
Columns that are used in a unique index should be set to NOT NULL, because multiple null values are considered duplicates when a unique index is created.
Collection can be empty, but not null.
Use the IS NULL and IS NOT NULL operators instead.
Select* from table where column is not null;
Id' smallint(5) unsigned NOT NULL AUTO_INCREMENT.
You must supply a value for this field, so the validation rule is set to Is Not Null.
It is combination of Not Null and Unique.
Each table should have a primary key and each record must be unique and not null.
Serial is an alias for bigint unsigned not null auto_increment unique.
Products_images_id' int(10) unsigned NOT NULL AUTO_INCREMENT.
All columns must be defined as NOT NULL.
All values in the primary key must be unique and not Null, and there can be only one primary key for a table.
The period columns are set to NOT NULL.
SERIAL is just an alias BIGINT UNSIGNED NOT NULL AUTO_INCREMENT UNIQUE.
Change the nullability of the column from NOT NULL to NULL. .