Article: php mysql fetch_ row with column name
December 22, 2020 | Uncategorized
PDOStatement::fetchColumn() should not be used to retrieve boolean columns, as it is impossible to distinguish a value of false from there being no more rows to retrieve. Then, you can get rows data with the fetch() methods and their FETCH constants.. To request a different return style, specify one of the following constants as the first parameter when you call the PDOStatement::fetch method: PDO::FETCH_ASSOC Returns an array indexed by column name as returned in your result set. PHP and MySQL Code for the above table This function is similar to the mysqli_fetch_row(), except that, it will return an array of row information containing column values are indexed with the column name. I am using php to display the data of the two columns id & product_name in each row. Mysql_fetch_array will return the first row in a Mysql resource in the form of an associative array and columns of the MySQL result can be accessed by using the column names of the table. mysql_fetch_row fetches one row of data from the result associated with the specified result identifier. It is my understanding that a mysql_fetch_array will only return 1 row unless it is used in conjunction with a while loop, which then should return all rows. PHP fetch a specific value that begins with a given number from a string with letters and numbers? The mysqli_fetch_row() function returns a row from a recordset as a numeric array. if we want to retrieve all the rows of the table then we must put this function inside the while loop. MySQL Query to Get Column Names The following query will find the column names from a table in MySQL and returns all the columns of the specified table. Fetch specific rows from a MySQL table with duplicate column values (names)? It's worth noting that the MySQLi functions (and, I presume, the MySQL functions) fetch a string regardless of the MySQL data type. Possible Duplicate: How to fetch result from MySQL row with multiple same-name columns with PHP? Note: . Each result column … at a time it return only the first row of the result set. Return only the first 15 characters from a column with string values in MySQL; MySQL query to remove special characters from column values? E.g. In the example code snippet, we will show you how to get and show the column names from a table using PHP and MySQL. Select data in a MySQL table By default, PDO returns each row as an array indexed by the column name and 0-indexed column position in the row. I have two tables, and they share similar column names. The fetch() method; To select data in a MySQL table, use the SELECT query, and the PDO query() method. Using MYSQL_ASSOC, you only get associative indices (as mysql_fetch_assoc() works), using MYSQL_NUM, you only get number indices (as mysql_fetch_row() works). I am using a while loop to attempt to extract data from two columns in all of the rows of the table. So the result type is an associative array where each column name and values of a single row are associated together as name, value pairs. if you fetch a row with an integer column, the corresponding value for that column and row will still be stored as a string in the array returned by mysql_fetch_row. I may indeed be the only one ever to encounter this - however if you have a myisam table with one row, and you search with valid table and column name for a result where you might expect 0 rows, you will not get 0, you will get 1, which is the myisam optimised response when a table has 0 or one rows. Getting Row data by mysql_fetch_array. Fetch data using mysqli_fetch_row( ) function. 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