How Many Grams of Sugar in a Teaspoon?
If you are baking a new cake recipe, you many want to know exactly how many sugar grams are in a teaspoon. Although it is not exact, you would want to use approximately 4.2 grams of sugar per teaspoon.
The trigger to be run on a query such as INSERT INTO table (x, y, z) VALUES('x', 'y', 'z') ON DUPLICATE KEY UPDATE x=VALUES(x) must always be run on a BEFORE INSERT Trigger.
The trigger to be run on a query such as INSERT INTO table (x, y, z) VALUES('x', 'y', 'z') ON DUPLICATE KEY UPDATE x=VALUES(x); must always be run on a BEFORE INSERT Trigger.
Perhaps instead of NEW. Val! = NULL you need NEW.
Val IS NOT NULL A value is never equal to null, and it is never not equal to null.
Sorry for the late reply, I will try this and post an update – Angel.King.47 Jul 2 '10 at 19:32 nope no inserts in table B – Angel.King.47 Jul 4 '10 at 2:09.
INSERT to overwrite old rows. Rather than being discarded. See Section 13.2.7, “REPLACE Syntax”.
Should be inserted. VALUES syntax can insert multiple rows. Within parentheses and separated by commas.
The values list for each row must be enclosed within parentheses. VALUES in this context. Whether there is a single values list or multiple lists.
Function (see Section 21.8.3.1, “mysql_affected_rows()”). By the statement. Existing unique index value.
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