Transcription of Native SQL Stored Procedures - …
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Native SQL Stored Procedures - …
Native SQL Stored ProceduresRobert AndresenPrincipal ConsultantIBM Certified Database Administrator, DB2 9 for z/OSIBM Certified SOA AssociateITIL Foundation CertifiedCell: +1 630 vs. external SQL Procedures > Native SQL procedure definition>Versioning> Native SQL procedure execution>Deploying a Native SQL procedure to other servers>DB2/DSN/SQL: changes to commands>Testing, error handling and debugging Sample Rexx exec to test Native SQL procedure>Migrating external to Native SQL proceduresExternal SQL Procedures >New in DB2 V5>Required SQL code plus C code>Multiple step prepare>Runs in WLM environmentNative SQL Procedures >New in DB2 9 NFM>Simpler builds No C/C++ compile Single step DDL>Better performance executed in DB2 DBM1 address space, not WLM>zIIP eligible Saves on software licensing costs>Enhanced support for SQL PL FOR loops Nested compound statements Data types BIGINT, BINARY, VARBINARY & >New table in DB2 9>Environment information Index on expressions Native SQL procedure>ENVID is unique environment identifier> column TEXT_ENVID points to SYSENVIRONMENTA uthorization>CREATE PROCEDURE SQL CREATEIN for the schema SYSADM or SYSCTRLN ative SQL Procedures >Compiled into run time structures>Bound when created>Loaded into EDM Pool at execute time Large packages Watch EDM Pool failuresSample RETURNDEPTSALARY>In IBM SQL Reference>Modified to use tableSample Native SQLCREATE PROCEDURE RETURNDEPTSALARY (IN DEPTNUMBER CHAR(3).)
Native SQL Stored Procedures Robert Andresen Principal Consultant IBM Certified Database Administrator, DB2 9 for z/OS IBM Certified SOA Associate
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