oracle add column
ALTER TABLE table_name
ADD column_name data_type constraint;
oracle add column
ALTER TABLE table_name
ADD column_name data_type constraint;
alter table oracle
ALTER TABLE tablename MODIFY columnname varchar2(100)
alter table add column
ALTER TABLE table
ADD COLUMN column VARCHAR (255) NOT NULL AFTER column;
oracle add column
-- ALTER TABLE <table> ADD <column> <type> <constraint>;
ALTER TABLE members ADD age NUMBER;
ALTER TABLE members ADD birth_date DATE NOT NULL;
ALTER TABLE members ADD registering DATE DEFAULT sysdate;
ALTER TABLE members ADD member_id NUMBER UNIQUE;
add column table pl sql
ALTER TABLE table_name
ADD column_name column_definition;
oracle alter table add column
ALTER TABLE table_name
ADD column_name data_type constraint;
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