Chapter 20

Adding Procedural Capabilities with Persistent Stored Modules

In This Chapter

arrow Tooling up compound statements with atomicity, cursors, variables, and conditions

arrow Regulating the flow of control statements

arrow Doing loops that do loops that do loops

arrow Retrieving and using stored procedures and stored functions

arrow Assigning privileges, creating stored modules, and putting stored modules to good use

Some of the leading practitioners of database technology have been working on the standards process for years. Even after a standard has been issued and accepted by the worldwide database community, progress toward the next standard doesn’t slow down. A seven-year gap separated the issuance of SQL-92 and the release of the first component of SQL:1999. During the intervening years, ANSI and ISO issued an addendum to SQL-92, called SQL-92/PSM (Persistent Stored Modules). This addendum formed the basis for a part of SQL:1999 with the same name. SQL/PSM defines a number of statements that give ...

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