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When to use trigger on insert and update?
My idea is to use a trigger after both insert and update, and insert the current date. Thus if anyone does anything (except delete) to that column, the date should reflect that.
How to create a trigger to update a date field when record?
This is the place for advice and discussions 0 0 A record’s field (SalesLEadLastModifiedDate) should be updated with current date and time every time any column in a record is modified. I’m new to SQL and can’t figure out how to write this trigger.
Do you need to join the inserted virtual table in trigger?
You need to join the inserted virtual table in the trigger to limit the rows that get updated to those actually changed. Try this:
How to insert date in table column with trigger?
(ORACLE) – Stack Overflow How to insert date in a table column with a trigger. (ORACLE) Essentially I wish to create a trigger that keeps track and edits the date_created column of a specific row after every insert or update.
Which is faster, insert trigger or statement level?
You can see that the statement-level INSTEAD OF INSERT trigger reduced the insert performance by 38% in SQL Server compared with using DEFAULT, but it is faster than AFTER INSERT trigger.
How to create TR _ Sales trigger after insert in SQL?
SQL Server : CREATE TRIGGER tr_sales ON sales AFTER INSERT AS BEGIN UPDATE sales SET created = GETDATE () FROM inserted WHERE sales. id = inserted. id; END GO. Now similar to Oracle BEFORE INSERT trigger, if a user explicitly specifies a datetime, it will be overwritten to the current datetime by the trigger:
How to set a default value for a MySQL datetime column?
CAVEAT: IF you define a column with CURRENT_TIMESTAMP ON as default, you will need to ALWAYS specify a value for this column or the value will automatically reset itself to “now ()” on update.