Search results
1 lut 2010 · How do I update a table and set different values upon the condition evaluating to True. For instance : UPDATE Table SET A = '1' IF A > 0 AND A < 1 SET A = '2' IF A > 1 AND A < 2 WHERE A IS NOT NULL;
24 paź 2015 · 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:
The WHERE clause, if given, specifies the conditions that identify which rows to update. With no WHERE clause, all rows are updated. If the ORDER BY clause is specified, the rows are updated in the order that is specified. The LIMIT clause places a limit on the number of rows that can be updated.
3 wrz 2021 · The contents between the WHEN and THEN are arbitrary. However, what I want to do is seen after the ELSE statement. I know I can set a user variable where I can either output its value in the SELECT (by just using @x), or output some updated value (by using @x:=@x+1).
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))
Summary. Use IF...THEN statement to conditionally execute a block of statements based on the evaluation of a specified condition. 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.
