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25 maj 2011 · Two options: Use the LIKE keyword, along with percent signs in the string. select * from table where field like '%a%' or field like '%b%'. (note: If your search string contains percent signs, you'll need to escape them)
I've been trying to figure out how I can make a query with MySQL that checks if the value (string $haystack) in a certain column contains certain data (string $needle), like this: SELECT * FROM `table` WHERE `column`.contains('{$needle}')
To filter data by multiple conditions in a WHERE clause, use the AND operator to connect the conditions. Here’s what this looks like for two conditions: WHERE condition1 AND condition2. In our example, condition1 is dept = 'Finance' and condition2 is salary > 4000.
30 lis 2013 · I need to find out the records where the article_title data is the same on more than one record. Here's what I've got: select a.* from articles a where a.article_title = (select article_title from articles where article_title = a.article_title AND a.id <> articles.id)
A MySQL subquery is called an inner query whereas the query that contains the subquery is called an outer query. A subquery can be used anywhere that expression is used and must be closed in parentheses.
9 lut 2024 · SQL CONTAINS is used for full-text searches, allowing you to query databases for specific words, phrases, or patterns within text data. It's particularly useful for finding specific information in large text fields where the exact location of the data isn't known in advance.
23 mar 2023 · How to Query for Strings in SQL with the WHERE Clause and LIKE Operator. The WHERE clause lets you get only the records that meet a particular condition. The LIKE operator, on the other hand, lets you find a particular pattern in a column. You can combine these two to search for a string or a substring of a string.
