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What’s New in PL/SQL in Oracle Database 10g?

February 9, 2004
Harry Conway


From the Oracle Technology Network

OTN just announced that PL/SQL runs faster.  Twice as fast as 9i and three times faster than 8i on average.  This performance benefit requires no coding changes!

Get the "PL/SQL Just Got Faster" White Paper from OTN

According to OTN "Oracle Database 10g also introduces some new PL/SQL language features"

  • the binary_float and binary_double datatypes (the IEEE datatypes).
  • the regexp_like, regexp_instr, regexp_substr and regexp_replace builtins to support regular expression manipulation with standard POSIX syntax.
  • multiset operations on nested table instances supporting operations like equals, union, intersect, except, member, and so on.
  • the user-defined quote character.
  • indices of and values of syntax for forall.
  • the distinction between binary_integer and pls_integer vanishes.

Oracle Database 10g offers some new supplied PL/SQL packages.   A new package Utl_Mail makes it possible for a PL/SQL programmer to send programmatically composed emails. Utl_Mail is much simpler to use Utl_Smtp.  Another new Package Utl_Compress delivers the functionality of the zip and unzip utilities in a PL/SQL environment.  A third package Dbms_Warning, allows the PL/SQL programmer fine grained control over which categories of warning and which individual warnings to disable, to enable, or to treat as errors.

These PL/SQL features are fully described in Mike Ault's new book on Oracle10g New Features:




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