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Tables are made up of rows of data, each consisting of one or more columns, so it stands to reason that Oracle Database would make it as easy as possible to work with those rows of data inside a PL/SQL program.

The Oracle PL/SQL language was designed to be a portable, high-performance transaction processing language that is tightly integrated with the SQL language.

It is rare, indeed, to find a PL/SQL program that does not either read from or make changes to tables in a database.

Oracle lets you write stored procedures and anonymous PL/SQL blocks that use dynamic SQL. DEFINE_COLUMN(curid, i, numvar); ELSIF desctab(i).col_type = 12 THEN DBMS_SQL. COLUMN_VALUE(curid, i, namevar); ELSIF (desctab(i).col_type = 2) THEN DBMS_SQL. CLOSE_CURSOR(curid); END; / CREATE OR REPLACE PROCEDURE DO_QUERY(mgr_id NUMBER) IS TYPE Cur Type IS REF CURSOR; src_cur Cur Type; curid NUMBER; sql_stmt VARCHAR2(200); ret INTEGER; empnos DBMS_SQL.

Dynamic SQL statements are not embedded in your source program; rather, they are stored in character strings that are input to, or built by, the program at runtime. COLUMN_VALUE(curid, i, numvar); ELSIF (desctab(i).col_type = 12) THEN DBMS_SQL.

As a result, there are some differences between the Oracle Call Interface and the In Oracle Database 11g, Release 1 (11.1), Oracle introduces a number of enhancements to DBMS_SQL to improve the security of the package. CLOSE_CURSOR(c); EXCEPTION WHEN OTHERS THEN IF DBMS_SQL. A current index into each array is maintained automatically.

Preventing Malicious or Accidental Access of Open Cursor Numbers An error, subprogram is called with a cursor number that does not denote an open cursor. This index is initialized to "indx" at declare c NUMBER; d NUMBER; n_tab DBMS_SQL.

It’s rare, in fact, that the data with which you are working is just a single value, so records and other composite datatypes are likely to figure prominently in your PL/SQL programs.

This article explores how you declare records, populate them with rows from a table, and even insert or change an entire row in a table by using a record.

NOTE: You can use also The advantages of declaring the record as a ROWTYPE are: 1) You do not need to explicitly declare variables for all the columns in a table.

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