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The null value can be excluded using the NOT NULL constraint, from the
- Domain
- Scheme
- Definition
- Declaration
In SQL using semicolon at the end of the commands is said to be
- Mandatory
- Optional
- Conditional
- Built-In
A SQL relation be defined through the command
- create table
- define table
- describe table
- Id table
For the storage of nvarchar type of multilingual data, SQL uses
- Binary code representation
- ANSI representation
- Char-code representation
- Unicode representation
In SQL, relations cannot define a null value for a
- Primary key attribute
- Foreign key attribute
- Candidate key attribute
- Not unique key attribute
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