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