odbc_columns
(PHP 4, PHP 5, PHP 7)
odbc_columns — Lists the column names in specified tables
Description
odbc_columns ( resource $connection_id [, string $catalog [, string $schema [, string $table_name [, string $column_name ]]]] ) : resource|false
Lists all columns in the requested range.
Parameters
-  
connection_id -  
The ODBC connection identifier, see odbc_connect() for details.
 -  
catalog -  
The catalog ('qualifier' in ODBC 2 parlance).
 -  
schema -  
The schema ('owner' in ODBC 2 parlance). This parameter accepts the following search patterns:
%to match zero or more characters, and_to match a single character. -  
table_name -  
The table name. This parameter accepts the following search patterns:
%to match zero or more characters, and_to match a single character. -  
column_name -  
The column name. This parameter accepts the following search patterns:
%to match zero or more characters, and_to match a single character. 
Return Values
 Returns an ODBC result identifier or false on failure. 
The result set has the following columns:
TABLE_CATTABLE_SCHEMTABLE_NAMECOLUMN_NAMEDATA_TYPETYPE_NAMECOLUMN_SIZEBUFFER_LENGTHDECIMAL_DIGITSNUM_PREC_RADIXNULLABLEREMARKSCOLUMN_DEFSQL_DATA_TYPESQL_DATETIME_SUBCHAR_OCTET_LENGTHORDINAL_POSITIONIS_NULLABLE
 The result set is ordered by TABLE_CAT, TABLE_SCHEM, TABLE_NAME and ORDINAL_POSITION. 
Examples
Example #1 List Columns of a Table
<?php
$conn = odbc_connect($dsn, $user, $pass);
$columns = odbc_columns($conn, 'TutorialDB', 'dbo', 'test', '%');
while (($row = odbc_fetch_array($columns))) {
    print_r($row);
    break; // further rows omitted for brevity
}
?> The above example will output something similar to:
Array
(
    [TABLE_CAT] => TutorialDB
    [TABLE_SCHEM] => dbo
    [TABLE_NAME] => TEST
    [COLUMN_NAME] => id
    [DATA_TYPE] => 4
    [TYPE_NAME] => int
    [COLUMN_SIZE] => 10
    [BUFFER_LENGTH] => 4
    [DECIMAL_DIGITS] => 0
    [NUM_PREC_RADIX] => 10
    [NULLABLE] => 0
    [REMARKS] =>
    [COLUMN_DEF] =>
    [SQL_DATA_TYPE] => 4
    [SQL_DATETIME_SUB] =>
    [CHAR_OCTET_LENGTH] =>
    [ORDINAL_POSITION] => 1
    [IS_NULLABLE] => NO
)
See Also
- odbc_columnprivileges() - Lists columns and associated privileges for the given table
 - odbc_procedurecolumns() - Retrieve information about parameters to procedures
 
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Licensed under the Creative Commons Attribution License v3.0 or later.
    https://www.php.net/manual/en/function.odbc-columns.php