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From 123-CBT Computer Based Training
SQL and PL SQL DML and DDL
...ibit null values using the NOT NULL constraint. Define a unique constraint for a column to ensure that two rows do not contain the same value. Define a PRIMARY KEY constraint using the CREATE TABLE statement. Create a referential integrity constraint for a foreign key column. Define a check constraint to ensure that appropriate values are stored in the table. Create a table within the
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SQL and PL SQL DML and DDL
...ibit null values using the NOT NULL constraint. Define a unique constraint for a column to ensure that two rows do not contain the same value. Define a PRIMARY KEY constraint using the CREATE TABLE statement. Create a referential integrity constraint for a foreign key column. Define a check constraint to ensure that appropriate values are stored in the table. Create a table within the
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