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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
Phrases
RDF data
Remote SQL Data Source
Replication
SOAP
SQL
String
ascii
blob_to_string
blob_to_string_outpu...
chr
initcap
isblob
isstring
lcase
left
length
locate
ltrim
make_string
regexp_instr
regexp_like
regexp_match
regexp_parse
regexp_replace
regexp_substr
repeat
replace
right
rtrim
search_excerpt
serialize
space
split_and_decode
sprintf
sprintf_inverse
sprintf_iri
sprintf_iri_or_null
sprintf_or_null
strcasestr
strchr
string_output
string_output_flush
string_output_gz_com...
string_output_string
string_to_file
strrchr
strstr
subseq
substring
tmp_file_name
trim
ucase
upper
Transaction
Type Mapping
UDDI
User Defined Types & The CLR
Virtuoso Java PL API
Virtuoso Server Extension Interface (VSEI)
Web & Internet
XML
XPATH & XQUERY

Functions Index

locate

returns the starting position of the first occurrence of an substring in a string
integer locate (in string_exp1 varchar, in string_exp2 varchar, [in start integer]);
Description

Returns the starting position of the first occurrence of string_exp1 within string_exp2. The search for the first occurrence of string_exp1 begins with the first character position in string_exp2 unless the optional argument, start, is specified. If start is specified, the search begins with the character position indicated by the value of start. The first character position in string_exp2 is indicated by the value 1. If string_exp1 is not found within string_exp2, the value 0 is returned.