1. DEFAULT Constraint: Provides a default value for a column when none is specified.
2. UNIQUE Constraint: Ensures that all the values in a column are different.
3. PRIMARY Key: Uniquely identifies each row/record in a database table.
4. FOREIGN Key: Uniquely identifies a row/record in any another database table.
5. CHECK Constraint: The CHECK constraint ensures that all values in a column satisfy
certain conditions.
6. INDEX: Used to create and retrieve data from the database very quickly.
7. NOT NULL Constraint: Ensures that a column cannot have a NULL value.
2. UNIQUE Constraint: Ensures that all the values in a column are different.
3. PRIMARY Key: Uniquely identifies each row/record in a database table.
4. FOREIGN Key: Uniquely identifies a row/record in any another database table.
5. CHECK Constraint: The CHECK constraint ensures that all values in a column satisfy
certain conditions.
6. INDEX: Used to create and retrieve data from the database very quickly.
7. NOT NULL Constraint: Ensures that a column cannot have a NULL value.
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#AngularHTTPClient #ReactiveForms #WebApplicationDevelopment #AngularTutorials #FrontendDevelopment #webdevelopment
Learn how to leverage Angular's HttpClient module and Reactive Forms to create powerful and efficient…
#AngularHTTPClient #ReactiveForms #WebApplicationDevelopment #AngularTutorials #FrontendDevelopment #webdevelopment
Learn how to leverage Angular's HttpClient module and Reactive Forms to create powerful and efficient…