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ALTER TABLE tablename MODIFY fieldname VARCHAR2(100);alter table column size oracle
ALTER TABLE tablename MODIFY fieldname VARCHAR2(100);alter table oracle
ALTER TABLE tablename MODIFY columnname varchar2(100)orcale sql change column type
ALTER TABLE table_name
MODIFY column_name action;oracle alter table add column
ALTER TABLE table_name
ADD column_name data_type constraint;alter table oracle
ALTER TABLE table_name
ADD CONSTRAINT constraint_name
FOREIGN KEY (column1, column2, ... column_n)
REFERENCES parent_table (column1, column2, ... column_n);Copyright © 2021 Codeinu
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