How can I get column names from a table in MySQL using PHP?

How can I get column names from a table in MySQL using PHP?

columns WHERE table_schema = ‘$db’ AND table_name = ‘table_name'”; // Change the table_name your own table name $result = mysql_query($sql, $con); if (mysql_query($sql, $con)) { echo $sql . “> <br>”; while ($row = mysql_fetch_row($result)) { echo “COLUMN ” .

What is field name in MySQL?

MySQL FIELD() Function The FIELD() function returns the index position of a value in a list of values. This function performs a case-insensitive search. Note: If the specified value is not found in the list of values, this function will return 0.

How do I get all columns in MySQL?

The more flexible way to get a list of columns in a table is to use the MySQL SHOW COLUMNS command. As you can see the result of this SHOW COLUMNS command is the same as the result of the DESC statement. For example, the following statement lists all columns of the payments table in the classicmodels database.

How do I show all columns in mysql?

To list all columns in a table, we can use the SHOW command. Let us first create a table. Syntax to list all column names.

How do I list a column in a table in SQL Server?

Columns

1. schema_name – schema name.
2. table_name – table name.
3. column_id – table column id, starting at 1 for each table.
4. column_name – name of column.
5. data_type – column data type.
6. max_length – data type max length.
7. precision – data type precision.

How do I view columns in MySQL?

You can list a table’s columns with the mysqlshow db_name tbl_name command. The DESCRIBE statement provides information similar to SHOW COLUMNS ….SHOW COLUMNS displays the following values for each table column:

1. Field. The name of the column.
2. Type. The column data type.
3. Collation.
4. Null.
5. Key.
6. Default.
7. Extra.
8. Privileges.

How do I list all tables in a column name?

Use this Query to search Tables & Views:

1. SELECT COL_NAME AS ‘Column_Name’, TAB_NAME AS ‘Table_Name’
2. FROM INFORMATION_SCHEMA.COLUMNS.
3. WHERE COL_NAME LIKE ‘%MyName%’
4. ORDER BY Table_Name, Column_Name;

How to get column names from table in PHP?

In the example code snippet, we will show you how to get and show the column names from a table using PHP and MySQL. The following query will find the column names from a table in MySQL and returns all the columns of the specified table. Use TABLE_SCHEMA to select the columns of a table from a specific database.

How to get column names from MySQL Query?

An old PHP function “mysql_list_fields()” is deprecated. So, today the best way to get names of fields is a query “SHOW COLUMNS FROM table_name [LIKE ‘name’]”. So, here is a little example: Use mysql_fetch_field() to view all column data.

How to get the field names in PHP?

This can be easily modded to insert the field names in an array. Using a simple: $sql=”SELECT * FROM myTable LIMIT 1″ can give you the fields of any table, without needing to use SHOW COLUMNS or any extra php module, if needed (removing the data dump part). Hopefully this helps someone else. if you use php, use this gist.

Is it slow to show columns in MySQL 5.1?

SHOW COLUMNS in mysql 5.1 (not 5.5) uses a temporary disk table. So it can be considered slow for some cases. At least, it can bump up your created_tmp_disk_tables value. Imagine one temporary disk table per connection or per each page request.