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Updating multiple columns of a table

COLUMNS_UPDATED can be used anywhere inside a Transact-SQL INSERT or UPDATE trigger.

The ORDINAL_POSITION column of the INFORMATION_SCHEMA. COLUMNS view is not compatible with the bit pattern of columns returned by COLUMNS_UPDATED.

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I already know how to update multiple rows using my where clause, but I don't see how to update multiple columns.

COLUMNS_UPDATED returns multiple bytes if the table on which the trigger is created contains more than eight columns, with the least significant byte being the leftmost.

COLUMNS_UPDATED returns TRUE for all columns in INSERT actions because the columns have either explicit values or implicit (NULL) values inserted.

To test whether all columns 2, 3, and 4 are updated, use = 14 instead of 0 /*Use IF (COLUMNS_UPDATED() & 14) = 14 to see whether all columns 2, 3, and 4 are updated.*/ BEGIN -- Audit OLD record.

INSERT INTO dbo.audit Employee Data (audit_log_type, audit_emp_id, audit_emp_bank Account Number, audit_emp_salary, audit_emp_SSN) SELECT ' OLD', del.emp_id, del.emp_bank Account Number, del.emp_salary, del.emp_SSN FROM deleted del; -- Audit NEW record.

581 comments

  1. SQL UPDATE Statement, SQL UPDATE Multiple Columns, SQL UPDATE SELECT

  2. Dec 30, 2012 I'm really struggling with this and I am not experienced with the UPDATE statement. I've Googled this and looked at MSDN but just can't seem to get the.

  3. How to update multiple columns in the same table with the same sub-query in Oracle SQL. Ask Question. up vote 1 down vote favorite.

  4. Question I want to update multiple rows in my table, and I need to understand how to update multiple columns. I already know how to update multiple rows using.

  5. The syntax for the SQL UPDATE statement when updating a table with data from another table is UPDATE table1 SET column1 =. Example - Update multiple columns.

  6. I need to update 2 datetime columns, and I need them to be exactly the same, using mysql version 4.1.20. I'm using this query mysql update table set last_update=now.

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