NUMBER Data type: integer, fixed point and floating point : Number « PL SQL Data Types « Oracle PL/SQL Tutorial

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Oracle PL/SQL Tutorial » PL SQL Data Types » Number 
21. 14. 10. NUMBER Data type: integer, fixed point and floating point
SQL>
SQL> declare
  2      v1_nr NUMBER(10);   -- integer
  3      v2_nr NUMBER(10,0); -- also integer
  4      v3_nr NUMBER(5,5);  -- fixed point
  5      v4_nr NUMBER(5,-3); -- also fixed point
  6      v5_nr NUMBER;       -- floating point
  7
  8  begin
  9     NULL;
 10
 11  end;
 12  /

PL/SQL procedure successfully completed.

SQL>
21. 14. Number
21. 14. 1. NUMBER
21. 14. 2. NUMBER Subtypes
21. 14. 3. Identical declarations using NUMBER subtypes.
21. 14. 4. Number type variable
21. 14. 5. Assign value to NUMBER type variable
21. 14. 6. NATURAL value Computation
21. 14. 7. Assigning a Fraction to an Integer
21. 14. 8. Setting Precision and Scale
21. 14. 9. NUMBER(1,-2): Variable with a scale of -2 can only hold values like 100,200,300... up to 900.
21. 14. 10. NUMBER Data type: integer, fixed point and floating point
21. 14. 11. Select a number value from a table into a variable and output it
21. 14. 12. IF statement with number value check
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