varchar type are case sensitive : VARCHAR2 « Data Type « Oracle PL / SQL

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Oracle PL / SQL » Data Type » VARCHAR2 
varchar type are case sensitive
 
SQL>
SQL> CREATE TABLE product (
  2       product_name     VARCHAR2(25),
  3       product_price    NUMBER(4,2),
  4       quantity_on_hand NUMBER(5,0),
  5       last_stock_date  DATE);

Table created.

SQL>
SQL> INSERT INTO product VALUES ('Small Widget', 991'15-JAN-03');

row created.

SQL> INSERT INTO product VALUES ('Medium Widget', 751000'15-JAN-02');

row created.

SQL> INSERT INTO product VALUES ('Product Number', 50100'15-JAN-03');

row created.

SQL>
SQL>
SQL>
SQL> UPDATE product
  2  SET    product_name = 'Product Number'
  3  WHERE  product_name = 'product Number';

rows updated.

SQL>
SQL>
SQL> DROP TABLE product;

Table dropped.

 
Related examples in the same category
1. Use varchar2 as table column type
2. Comparison of CHAR with VARCHAR2
3. Use % with like in a select statement for varchar2 column
4. declare varchar2 variables
5. Init a varchar2 type variable
6. varchar2 type value with not null default value
7. Combine text string value in select clause
8. Are two text value equal
9. IN with text value
10. Change varchar type value
11. Assign a character string that is too long
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