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Contents
Preface

Virtuoso Functions Guide

Administration
Aggregate Functions
Array Manipulation
BPEL APIs
Backup
Compression
Cursor
Date & Time Manipulation
Debug
Dictionary Manipulation
Encoding & Decoding
File Manipulation
Free Text
Hashing / Cryptographic
LDAP
Locale
Mail
Miscellaneous
Number
Remote SQL Data Source
Replication
SOAP
SQL
String
Transaction
Type Mapping
UDDI
User Defined Types & The CLR
Virtuoso Java PL API
Virtuoso Server Extension Interface (VSEI)
Web Server & Internet
XML
XPATH & XQUERY

Functions Index

VAD_SAFE_EXEC

execute without signalling errors
DB.DBA.VAD_SAFE_EXEC (in expr varchar);
Description

Safe way to do something without generating an exception, e.g.: when it is necessary to drop a table without insurance of it's existence.

Parameters
expr – text of expression
See Also

vad_check_uninstallability()

vad_check_installability()

vad_fail_check()

vad_pack()

vad_install()

vad_uninstall()

vad_load_file()

vad_check()