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1. stackoverflow.com › questions › 51068202sql - Escaping wildcards in LIKE - Stack Overflow

   stackoverflow.com › questions › 51068202

   27 cze 2018 · How do I escape wildcards (_ and %) when using a SQL LIKE operator in Oracle? I came to a silly issue today. I need to search for the presence of an underscore _ on a varchar column using LIKE. It doesn't work -- as expected -- since underscores are wildcards according to SQL. Here's my (simpified) code:

2. www.w3schools.com › sql › sql_wildcardsSQL Wildcard Characters - W3Schools

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   A wildcard character is used to substitute one or more characters in a string. Wildcard characters are used with the LIKE operator. The LIKE operator is used in a WHERE clause to search for a specified pattern in a column.

3. www.w3schools.com › mysql › mysql_wildcardsMySQL Wildcard Characters - W3Schools

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   Wildcard characters are used with the LIKE operator. The LIKE operator is used in a . WHERE clause to search for a specified pattern in a column. The wildcards can also be used in combinations! Here are some examples showing different LIKE operators with '%' and '_' wildcards:

4. www.w3resource.com › sql › wildcards-like-operatorSql [charlist] wildcards - w3resource

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   2 paź 2024 · It uses the LIKE operator to match patterns in the agent_name column. So, it looks for rows where the agent_name starts with the characters '['a', 'b', or 'i']' followed by any characters due to the '%' wildcard.

5. docs.cloud.oracle.com › en › databasePattern-matching Conditions

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   In this syntax: char1 is a character expression, such as a character column, called the search value.. char2 is a character expression, usually a literal, called the pattern.. esc_char is a character expression, usually a literal, called the escape character.. The LIKE condition is the best choice in almost all situations. Use the following guidelines to determine whether any of the variations ...

6. www.techonthenet.com › oracle › likeOracle / PLSQL: LIKE Condition - TechOnTheNet

   www.techonthenet.com › oracle › like

   This Oracle tutorial explains how to use the Oracle LIKE condition (to perform pattern matching) with syntax, examples, and practice exercises. The Oracle LIKE condition allows wildcards to be used in the WHERE clause of a SELECT, INSERT, UPDATE, or DELETE statement.

7. sqlexamples.info › wildchars-mysql-like-clause-examplesUsing Wildcards In MySQL LIKE Clause – With Examples

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   10 kwi 2023 · Using wildcards in the LIKE clause of a MySQL query can save a lot of effort when you write a query that looks for a pattern in a character string. Just as a refresher, the standard wildcard characters are: % substitute for any characters at the BEGINING or END of the string. _ substitute for any single character. MySQL LIKE Wildcard Examples