# Predefined Constants

The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.

`ODBC_TYPE` (integer)
`ODBC_BINMODE_PASSTHRU` (integer)
`ODBC_BINMODE_RETURN` (integer)
`ODBC_BINMODE_CONVERT` (integer)
`SQL_ODBC_CURSORS` (integer)
`SQL_CUR_USE_DRIVER` (integer)
`SQL_CUR_USE_IF_NEEDED` (integer)
`SQL_CUR_USE_ODBC` (integer)
`SQL_CONCURRENCY` (integer)
`SQL_CONCUR_READ_ONLY` (integer)
`SQL_CONCUR_LOCK` (integer)
`SQL_CONCUR_ROWVER` (integer)
`SQL_CONCUR_VALUES` (integer)
`SQL_CURSOR_TYPE` (integer)
`SQL_CURSOR_FORWARD_ONLY` (integer)
`SQL_CURSOR_KEYSET_DRIVEN` (integer)
`SQL_CURSOR_DYNAMIC` (integer)
`SQL_CURSOR_STATIC` (integer)
`SQL_KEYSET_SIZE` (integer)
`SQL_CHAR` (integer)
`SQL_VARCHAR` (integer)
`SQL_LONGVARCHAR` (integer)
`SQL_DECIMAL` (integer)
`SQL_NUMERIC` (integer)
`SQL_BIT` (integer)
`SQL_TINYINT` (integer)
`SQL_SMALLINT` (integer)
`SQL_INTEGER` (integer)
`SQL_BIGINT` (integer)
`SQL_REAL` (integer)
`SQL_FLOAT` (integer)
`SQL_DOUBLE` (integer)
`SQL_BINARY` (integer)
`SQL_VARBINARY` (integer)
`SQL_LONGVARBINARY` (integer)
`SQL_DATE` (integer)
`SQL_TIME` (integer)
`SQL_TIMESTAMP` (integer)
`SQL_TYPE_DATE` (integer)
`SQL_TYPE_TIME` (integer)
`SQL_TYPE_TIMESTAMP` (integer)
`SQL_BEST_ROWID` (integer)
`SQL_ROWVER` (integer)
`SQL_SCOPE_CURROW` (integer)
`SQL_SCOPE_TRANSACTION` (integer)
`SQL_SCOPE_SESSION` (integer)
`SQL_NO_NULLS` (integer)
`SQL_NULLABLE` (integer)
`SQL_INDEX_UNIQUE` (integer)
`SQL_INDEX_ALL` (integer)
`SQL_ENSURE` (integer)
`SQL_QUICK` (integer)