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Definition and Usage. The CONCAT () function adds two or more expressions together. Note: Also look at the CONCAT_WS () function. Syntax. CONCAT (expression1, expression2, expression3,...) Parameter Values. Technical Details. Works in: From MySQL 4.0. More Examples. Example. Add three columns into one "Address" column:
2 lut 2018 · It uses the CONCAT function: SELECT CONCAT(first_name, ' ', last_name) AS Name FROM test.student. There's also the CONCAT_WS (Concatenate With Separator) function, which is a special form of CONCAT(): SELECT CONCAT_WS(' ', first_name, last_name) from test.student.
Use the MySQL CONCAT() function to concatenate multiple strings into a single string. The CONCAT() function returns NULL if any string argument is NULL.
mysql> SELECT 'My' 'S' 'QL'; -> 'MySQL' If CONCAT() is invoked from within the mysql client, binary string results display using hexadecimal notation, depending on the value of the --binary-as-hex.
10 lip 2024 · The CONCAT() function in MySQL is a versatile tool used for string concatenation. It allows you to combine two or more strings into a single string. This function is especially useful for data formatting, combining fields, and creating readable outputs from data.
Learn how to use the CONCAT function in MySQL to combine strings, format data, and handle NULL values. See syntax, examples, and tips for using separators and aliases.
7 cze 2022 · CONCAT () function in MySQL is used to concatenating the given arguments. It may have one or more arguments. If all arguments are nonbinary strings, the result is a nonbinary string. If the arguments include any binary strings, the result is a binary string.
