++ 50 ++ alter table add column oracle default value not null 843303-Alter table add column oracle default value not null
Databases are often taxed by applying SQL statements to enormous tables One such activity is when we add a new NOT NULL column with default value to a huge transaction table Amar Padhi shares several methods to add a new column with default value, comparing the advantages and disadvantages of each21/4/17 · In the previous parts of this series I showed that Oracle does a nice optimization – that may save plenty of time – when we add in a single ALTER TABLE statement a new nullable with no default value column and a corresponding – inline (aka "columnlevel") check constraintThis Oracle ALTER TABLE example will modify the column called customer_name to be a data type of varchar2(100) and force the column to not allow null values In a more complicated example, you could use the ALTER TABLE statement to add a default value as well as modify the column Oracle 12c Page 2 A Software Architect S Blog Alter table add column oracle default value not null