# sybase_select_db

(PHP 4, PHP 5)

sybase_select_db — Selects a Sybase database

Warning

This function was REMOVED in PHP 7.0.0.

### 说明

sybase_select_db ( string `$database_name` [, resource `$link_identifier` ] ) : bool

sybase_select_db() sets the current active database on the server that's associated with the specified link identifier.

Every subsequent call to sybase_query() will be made on the active database.

### 参数

`database_name`

`link_identifier`

  If no link identifier is specified, the last opened link is assumed. If no link is open, the function will try to establish a link as if sybase_connect() was called, and use it.

### 返回值

成功时返回 `TRUE`， 或者在失败时返回 `FALSE`。

### 参见

- sybase_connect() - Opens a Sybase server connection
- sybase_pconnect() - Open persistent Sybase connection
- sybase_query() - Sends a Sybase query