Setting primary key as declaring the column

  
SQL>
SQL> CREATE TABLE myTable (
  2     Name    VARCHAR(50) PRIMARY KEY NOT NULL,
  3     PhoneNo VARCHAR(15) DEFAULT 'Unknown Phone' NOT NULL
  4  );

Table created.

SQL>
SQL>
SQL> drop table myTable;

Table dropped.

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Setting primary key as declaring the column : Add Primary Key « Constraints « Oracle PL / SQL

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