Updating multiple columns in oracle Uncensoreddatesites

For example, we discover that we need to keep a record of the last date that each author published and what they published.

updating multiple columns in oracle-84

The Oracle UPDATE statement is used to update existing records in a table in an Oracle database. To modify a column of a table, you need to specify the column name, table name, and action that you want to perform. column_n: It specifies the columns that you want to update. 3) conditions: It specifies the conditions that must be fulfilled for execution of UPDATE stateme. if i know the email_id field is populated on some records but not on others, i can limit the update to just those rows as follows UPDATE PERSONS P SET (jobtitle, last_name, first_name, dblogin_id, email_Id, userlevel, facility_id, supervisor, department, winloginid) = (select jobtitle, last_name, first_name, dblogin_id, email_Id, userlevel, facility_id, supervisor, department, winloginid from TEMP_ECOLAB_PERSONS TE where TE. UPDATE PERSONS P SET (jobtitle, last_name, first_name, dblogin_id, email_Id, userlevel, facility_id, supervisor, department, winloginid) = (select jobtitle, last_name, first_name, dblogin_id, email_Id, userlevel, facility_id, supervisor, department, winloginid from TEMP_ECOLAB_PERSONS TE where TE. PERSON); Note that if there are other rows present in persons that are not in temp_ecolab_persons, these extra rows in the person table will be set to null (or could cause the statement to fail with not null constraint error by the update above so if this is the case, you may also need a where clause on the update statement to restrict these, e.g.

Leave a Reply