Varchar2 type column with different byte length

   


SQL> create table emp(
  2    ID                 VARCHAR2(4 BYTE)         NOT NULL,
  3    fname         VARCHAR2(10 BYTE),
  4    lname          VARCHAR2(10 BYTE),
  5    Start_Date         DATE,
  6    End_Date           DATE,
  7    Salary             Number(8,2),
  8    City               VARCHAR2(10 BYTE),
  9    Description        VARCHAR2(15 BYTE)
 10  )
 11  /

Table created.

SQL>
SQL>
SQL> create or replace view emp_hq
  2  as select * from emp
  3  where id = '2';

View created.

SQL>
SQL>
SQL> drop table emp;

Table dropped.

SQL>

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Varchar2 type column with different byte length : VARCHAR2 « Data Type « Oracle PL / SQL

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