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. Note: . Returns an numerical array of strings that corresponds to the fetched row, or false if there are no more rows. Returns a single column from the next row of a result set or false if there are no more rows.. 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. The fetch() method; To select data in a MySQL table, use the SELECT query, and the PDO query() method. Fetch specific rows from a MySQL table with duplicate column values (names)? By default, PDO returns each row as an array indexed by the column name and 0-indexed column position in the row. I am using php to display the data of the two columns id & product_name in each row. if we want to retrieve all the rows of the table then we must put this function inside the while loop. 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. In the example code snippet, we will show you how to get and show the column names from a table using PHP and MySQL. Getting Row data by mysql_fetch_array. Use PDOStatement::fetch… Return only the first 15 characters from a column with string values in MySQL; MySQL query to remove special characters from column values? I am using a while loop to attempt to extract data from two columns in all of the rows of the table. mysql_fetch_row fetches one row of data from the result associated with the specified result identifier. The row is returned as an array. 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. It's worth noting that the MySQLi functions (and, I presume, the MySQL functions) fetch a string regardless of the MySQL data type. E.g. 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. at a time it return only the first row of the result set. mysqli_fetch_row() return a single row from the number of records available in the database. 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. PHP and MySQL Code for the above table Select data in a MySQL table I have two tables, and they share similar column names. Then, you can get rows data with the fetch() methods and their FETCH constants.. 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). 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. 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. 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. Fetch data using mysqli_fetch_row( ) function. If two or more columns of the result have the same field names, the last column will take precedence. 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