Cursor for updating a column plsql
Oracle Database returns a set of columns in the order in which the columns were specified when the object was created.
A query that selects rows from two or more tables, views, or materialized views is a join.
For the purposes of name resolution, these function names have precedence over schema-level stored functions.
If the query in which you specify this clause is not a top-level is subject to the same naming conventions and restrictions as database schema objects.
Correlation names are most often used in a correlated query.
Other references to the table, view, or materialized view throughout the query must refer to this alias.
Oracle Database provides a group of version query pseudocolumns that let you retrieve additional information about the various row versions.You can use the schema qualifier to select from a table, view, or materialized view in a schema other than your own. The object can be a table, view, materialized view, or subquery.A query that selects rows from two or more objects is a join.The , specify an expression that evaluates to a constant value of a pivot column.You can optionally provide an alias for each pivot column value.