Data cannot be inserted to External tables
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Keep practicing — related questions
- Data cannot be deleted or truncated from an External table
- CREATE TABLE statements are not allowed in a trigger.
- Using INSERT command only ONE record can be inserted during each execution.
- Foreign key can be null.
- CONSTRAINTS can be specified only on Creation of a table.
- The outer and inner queries can get data from different tables?
- Can you add not null column to a table already containing data ?
- The columns with unique constraint allows more than one null values to be inserted.