Compare varchar2 value with =

   

SQL> CREATE TABLE products
  2  (
  3    id              NUMBER(6),
  4    name            VARCHAR2(50),
  5    descr            VARCHAR2(4000),
  6    category        VARCHAR2(50),
  7    cat_desc        VARCHAR2(2000),
  8    weight_class    NUMBER(2),
  9    unit_of_measure VARCHAR2(20),
 10    min_price       NUMBER(8,2)
 11  );

Table created.

SQL>
SQL>
SQL>
SQL> select id, category, weight_class
  2  from   products
  3  where  category = 'Hardware'
  4  or     weight_class = 4;

no rows selected

SQL>
SQL> drop table products;

Table dropped.

SQL>
SQL>

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Compare varchar2 value with = : VARCHAR2 « Data Type « Oracle PL / SQL

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