MySQL Programming Question: Download Questions PDF
How To Convert Numeric Values to Character Strings?
Answer:
You can convert numeric values to character strings by using the CAST(value AS CHAR) function as shown in the following examples:
SELECT CAST(4123.45700 AS CHAR) FROM DUAL;
4123.45700
-- How to get rid of the last 2 '0's?
SELECT CAST(4.12345700E+3 AS CHAR) FROM DUAL;
4123.457
SELECT CAST(1/3 AS CHAR);
0.3333
-- Very poor conversion
SELECT CAST(4123.45700 AS CHAR) FROM DUAL;
4123.45700
-- How to get rid of the last 2 '0's?
SELECT CAST(4.12345700E+3 AS CHAR) FROM DUAL;
4123.457
SELECT CAST(1/3 AS CHAR);
0.3333
-- Very poor conversion
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