Handling NULL values in SQL

Date Published: 22/08/2020Published By: JaiSchool

If a column’s field has NULL value then it means, it is blank. This field has no value. When a […]

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SQL NULL, AUTO_INCREMENT & PRIMARY KEY()

Date Published: 29/07/2020Published By: JaiSchool

NULL :- When a table contains two or more columns and we insert data into only one column then data […]

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