SQL is generally used for modifying and querying information in Relational Database Management Systems (RDBMS). PL SQL comes to plug in the shortcomings of SQL and enhances the characteristics of SQL. While working with Oracle Database, PLSQL is the preferred choice for developing good code altho...
Cursors act as pointers to the context area. A PL/SQL block uses a cursor to control the context area. Cursors can remain unnamed or anonymous, but named cursors make retrieval easier. Cursors can be implicit or explicit. Implicit cursors are the default cursors in PL/SQL blocks. They are ...
pl/sql table is temparary table which is used to store records temrparaily in PL/SQL Block, whenever block completes execution, table is also finished. Was this answer useful? Yes Replypandish Apr 30th, 2006 Cursor is a pointer to a memory location, where all the rows have been r...
What is PL SQL? Will anyone please tell?Apr 9 2018 11:21 PM I need to understand PL SQL as I am a Beginner.Reply Answers (5) comparing SQL data from a single table how can I convert a cursor to an alternative faster query
84. What is TRUE about %ROWCOUNT in PL/SQL Cursor? A SELECT INTO statement or DML statements like INSERT, DELETE, AND UPDATE do not result in any rows being affected. Results are returned for DML statements such as inserting, deleting, and updating records, or for those returned by a SEL...
ty_plsql1 ty_plsql; cursor c is select empno,ename from emp; begin for i in c loop ty_plsql(i).empno := i.empno; ty_plsql(i).ename := i.ename; end loop; end; Was this answer useful? Yes Replyrkanth18 Nov 26th, 2005 A PL/SQL table is a one-dimensional, unbounded,...
IS SELECT id, num FROM temp FOR UPDATE ; BEGIN FOR r_record IN c_record LOOP IF r_record.id < 5 THEN UPDATE temp SET id = r_record.id + 5 WHERE id = R_RECORD.ID; END IF; END LOOP; COMMIT; END; — DECLARE CURSOR c_stud_zip IS ...
is it possible 2 transactions in one stored procedure 4 digit number to add to table 8 KB pages to MB or GB 9 digit date number (ex.01.01.2014 => 131989761) A better way to join the same table multiple times? A cursor with the name ' ' already exists. A cursor with the name '...
What is Oracle for beginners and professionals with examples on insert, select, update, delete, table, view, join, key, functions, procedures, indexes, cursor etc.
which could cause serious problems if this kind of error is widespread. And that’s not all. The package-based cursor (all_books_by) stays open, which means that the next time this program is called, the still-open packaged cursor causes anORA-06511: PL/SQL: cursor already openerror. Wa...