Updating row using cursor oracle race and dating online

Rated 4.63/5 based on 863 customer reviews

UPDATE emp SET ROW = emp_rec WHERE eno = 100; END; / statements in SQL) and access individual fields or entire rows from the result set.Depending on the complexity of the processing that you want to do on the query results, you can use various notations.You can optionally declare a return type for the cursor (such as The cursor is not a PL/SQL variable: you cannot assign values to a cursor or use it in an expression.Cursors and variables follow the same scoping rules.It might be in a different scope (for example, in a sub-block).To save an attribute value for later use, assign it to a Boolean variable immediately.

In addition, PL/SQL conforms to the current ANSI/ISO SQL standard.By extending SQL, PL/SQL offers a unique combination of power and ease of use.You can manipulate Oracle data flexibly and safely because PL/SQL fully supports all SQL data manipulation statements (except ), transaction control statements, functions, pseudocolumns, and operators.The following sections describe all the query-processing features that explicit cursors provide.In traditional database programming, you process query results using an internal data structure called a cursor.

Leave a Reply