Cursor updating table oracle
This clause can also be extended to lock only the intended table in the SELECT query containing more than one table in joins using the FOR UPDATE OF clause.
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For example: When you execute the SQL statements like INSERT, UPDATE, DELETE then the cursor attributes tell whether any rows are affected and how many have been affected.
If you run a SELECT INTO statement in PL/SQL block, the implicit cursor attribute can be used to find out whether any row has been returned by the SELECT statement.
Thus, any TCL operation on the cursor record set has to be done only after fetching all the rows from the cursor context area using a loop process similar to the above listing example.
The row limiting clause introduced in the Oracle version 12c, Fetch First ..
The SELECT FOR UPDATE statement allows you to lock the records in the cursor result set.
You are not required to make changes to the records in order to use this statement.= v_name) then update stud Load set stud Name= v_name where stud ID= v_id; else insert into stud Load values(v_id,v_name); dbms_output.put_line(v_id Tags: Adult Dating, affair dating, sex dating