SQL How Modify Column Primary Key - Search Videos

Update primary key column or update other columns in a hierarchy - Ask TOM

Update primary key column or update other columns in a hierarchy - Ask TOM

Update primary key column or update other columns in a hierarchy I hava a table like the following structure:create table table_a('ID_TABLE_A' NUMBER, --primary key column'PARENT_ID' NUMBER,'CONTENT_1' VARCHAR2(32),'CONTENT_2' NUMBER,'CONTENT_3' NUMBER,'CONTENT_4' VARCHAR2(256),'CONTENT_5' varchar2(128)) There are about 200 r

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Primary Key in SQL Explained | Database Basics for Beginners#sql#shortsvideo #coding#learning

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