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10 kwi 2012 · INSERT INTO monthlystats (id, server, time, uptime, players, rank) VALUES (09126, 6, 0912, 302, 0, 1) ON DUPLICATE KEY UPDATE uptime = GREATEST(uptime, VALUES(uptime)), players = GREATEST(players, VALUES(players)), rank = GREATEST(rank, VALUES(rank))
24 paź 2015 · ON DUPLICATE KEY UPDATE. highest_mark = GREATEST(highest_mark, VALUES(highest_mark)) we can use MySQL GREATEST function to update a column if value is greater than current value. if the value being updated is greater than existing value, it.
In this article, we would like to show you UPDATE query with IF condition in MySQL. Quick solution: UPDATE `table_name` SET `column_name` = IF(condition , if_true, if_false); Practical example. To show UPDATE query with IF condition, we will use the following users table:
25 sty 2024 · Use the > operator to determine if a value is greater than another. SELECT * FROM products WHERE price > 100; This retrieves all products with a price greater than 100. Less than (<) The < operator is used to find values that are less than a certain value. SELECT * FROM orders WHERE quantity < 10;
16 kwi 2016 · UPDATE Tests AS old INNER JOIN ( SELECT 10 AS TestId, 25 AS TestSubId, 1000 AS TestScore, 2000 AS TestScore2 UNION ALL SELECT 11, 22, 1100, 2100 ) AS new ON old.TestId = new.TestId AND old.TestSubId = new.TestSubId SET old.TestScore = new.TestScore, old.TestScore2 = new.TestScore2 ;
If you access a column from the table to be updated in an expression, UPDATE uses the current value of the column. For example, the following statement sets col1 to one more than its current value: UPDATE t1 SET col1 = col1 + 1;
Use IF...THEN...ELSE statement to execute a block of statements if a specified condition is true and an alternative block of statements if the condition is false. Use IF...THEN...ELSEIF...ELSE statement to evaluate multiple conditions sequentially and execute corresponding blocks of statements based on the first true condition, with an optional ...
