Cursors pl sql updating 100 free sex chat hyd

' customers selected '); END IF; END; / Select * from customers; ---- ---------- ----- ----------- ---------- | ID | NAME | AGE | ADDRESS | SALARY | ---- ---------- ----- ----------- ---------- | 1 | Ramesh | 32 | Ahmedabad | 2500.00 | | 2 | Khilan | 25 | Delhi | 2000.00 | | 3 | kaushik | 23 | Kota | 2500.00 | | 4 | Chaitali | 25 | Mumbai | 7000.00 | | 5 | Hardik | 27 | Bhopal | 9000.00 | | 6 | Komal | 22 | MP | 5000.00 | ---- ---------- ----- ----------- ---------- Explicit cursors are programmer-defined cursors for gaining more control over the context area.

cursors pl sql updating-27

Instead of fetching data into a record, you can also fetch data from the cursor to a list of variables.

Oracle creates a memory area, known as the context area, for processing an SQL statement, which contains all the information needed for processing the statement; for example, the number of rows processed, etc. The set of rows the cursor holds is referred to as the active set.

You can name a cursor so that it could be referred to in a program to fetch and process the rows returned by the SQL statement, one at a time.

There are two types of cursors − Implicit cursors are automatically created by Oracle whenever an SQL statement is executed, when there is no explicit cursor for the statement.

Programmers cannot control the implicit cursors and the information in it.

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