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SQL SERVER - Script to Find Strings with Same Characters

SQL SERVER – Script to Find Strings with Same Characters

February 21, 2015
Pinal Dave
SQL Tips and Tricks
SQL String

Need to find strings with same characters, like KKK but not KKT? Here is a simple trick using REPLACE and LEFT, with no WHILE loop needed.

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A hand stacking four identical flat caps, crumpled, inside out, wet and flattened, on a lost-property shelf

Finding Near-Duplicate Rows With REGEXP_REPLACE

January 28, 2015
Pinal Dave
SQL Tips and Tricks
Duplicate Records, SQL Function, SQL Server, SQL String

Find near-duplicate rows with SQL Server 2025 normalization, group matching labels, rank survivors, and preserve originals for review.

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SQL SERVER - Reverse String Word By Word - Part 4

SQL SERVER – Reverse String Word By Word Part 4

December 19, 2014
Pinal Dave
SQL Tips and Tricks
SQL Function, SQL String

In Reverse String Word By Word Part 4, Paul G slices the string by a delimiter and rebuilds it in reverse order. Here is his full script.

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SQL SERVER - Reverse String Word By Word - Part 3

SQL SERVER – Reverse String Word By Word Part 3

December 17, 2014
Pinal Dave
SQL Tips and Tricks
SQL Function, SQL String

Reverse String Word By Word Part 3 shows Yuri Petrov’s way to reverse words in a sentence, using an auxiliary numbers table in two parts.

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SQL SERVER - Reverse String Word By Word - Part 2

SQL SERVER – Reverse String Word By Word Part 2

December 15, 2014
Pinal Dave
SQL Tips and Tricks
SQL Function, SQL Scripts, SQL String

In Reverse String Word By Word Part 2, Sanjay Monpara and Yuri Petrov improve my script. The new, more robust version uses a Split function.

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SQL SERVER - Reverse String Word By Word

SQL SERVER – Reverse String Word By Word

December 6, 2014
Pinal Dave
SQL Tips and Tricks
SQL Function, SQL Scripts, SQL String

A reader wanted to reverse string word by word, so “I am Pinal Dave” becomes “Dave Pinal am I”. Here is the function that does it.

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Gouache painting: a haystack inside a wooden barn with one small vermilion button hidden in the straw, a hanging lantern above it, warm light through the barn slats

Find Rows With Single Quotes in SQL Server: SQL in Sixty Seconds #075

October 22, 2014
Pinal Dave
SQL Video
Quotes, SQL in Sixty Seconds, SQL Scripts, SQL String

To find rows with single quotes, write the quote twice inside the search string. This post tests four search patterns on one million rows on SQL Server 2025, shows which two are the same query and which one costs more, and covers the curly quote that a straight quote search misses.

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