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PostgreSQL 9.5.21 Documentation
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Chapter 41. PL/Tcl - Tcl Procedural Language

Table of Contents
41.1. Overview
41.2. PL/Tcl Functions and Arguments
41.3. Data Values in PL/Tcl
41.4. Global Data in PL/Tcl
41.5. Database Access from PL/Tcl
41.6. Trigger Procedures in PL/Tcl
41.7. Event Trigger Procedures in PL/Tcl
41.8. Modules and the unknown Command
41.9. Tcl Procedure Names

PL/Tcl is a loadable procedural language for the PostgreSQL database system that enables the Tcl language to be used to write functions and trigger procedures.

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