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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.
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:
The default separator between values in a group is comma (“,”). To specify a separator explicitly, use SEPARATOR followed by the string literal value that should be inserted between group values. To eliminate the separator altogether, specify SEPARATOR ''. GROUP_CONCAT([DISTINCT] expr [,expr ...]
For quoted strings, concatenation can be performed by placing the strings next to each other: 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.
26 sty 2024 · The CONCAT function in MySQL is a string function that allows you to join two or more strings together. This can be incredibly useful when working with database tables where you need to combine information from different columns or add a certain format to the data you retrieve.
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.
