how can we add a integer value to the mysql database

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hello

i wanted to add a integer value suppose 15 to the mysql database field[integer],
what is the query for that

Posted 21-Sep-12 20:04pm

ginnas

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OriginalGriff · Answer 1 · 2012-09-21T20:25:00

Solution 1

Use either an INSERT statement (which will insert a whole row), or an UPDATE statement (which will change just the value)

SQL

INSERT INTO table_name (column1, column2, ...) VALUES (value1, value2, ...) (nextvalue1, nextvalue2, ...)

SQL

UPDATE table_name SET field=newvalue, field... WHERE ...

In the second case, be sure to set the WHERE clause, or all rows in the table will be changed!

Posted 21-Sep-12 20:25pm

OriginalGriff

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ginnas 22-Sep-12 3:58am

thanks

but will it add the integer value to the existing value of that filed. i wanted to do like that.means if one field contains a value suppose 20 i wanted to add a 15 to that value,so will your replay achieve this

regards

ginnas

OriginalGriff 22-Sep-12 4:09am

Ah! You should have said! :laugh:
Try:
UPDATE table_name SET field=field + 15 WHERE ...

Sandeep Mewara · Answer 2 · 2012-09-21T20:27:00

Solution 2

Should not be simply this:

SQL

INSERT INTO myTable (someNumericField) VALUES (15)

Refer: My SQL: INSERT Syntax[^]

UPDATE:

SQL

UPDATE myTable SET(someNumericField = someNumericField + 15)

Posted 21-Sep-12 20:27pm

Sandeep Mewara

Updated 21-Sep-12 22:30pm

v2

Comments

ginnas 22-Sep-12 3:58am

thanks

but will it add the integer value to the existing value of that filed. i wanted to do like that.means if one field contains a value suppose 20 i wanted to add a 15 to that value,so will your replay achieve this

regards

ginnas

Sandeep Mewara 22-Sep-12 4:31am

:doh: What you want and what you asked!

Updated my answer. Try!