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Categories / Oracle PLSQL / Data Type
 

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>