# Cheatsheets

## PoolOptions

The options for configuring a connection pool.

Name | Type | Description
`@maxSize` | `Number (int)` | Set the maximum pool size
`@maxWaitQueueSize` | `Number (int)` | Set the maximum connection request allowed in the wait queue, any requests beyond the max size will result in an failure. If the value is set to a negative number then the queue will be unbounded.

## SqlConnectOptions

Connect options for configuring link or link.

Name | Type | Description
`@cachePreparedStatements` | `Boolean` | Set whether prepared statements cache should be enabled.
`@connectTimeout` | `Number (int)` | -
`@crlPaths` | `Array of String` | -
`@crlValues` | `Array of Buffer` | -
`@database` | `String` | Specify the default database for the connection.
`@enabledCipherSuites` | `Array of String` | -
`@enabledSecureTransportProtocols` | `Array of String` | -
`@host` | `String` | Specify the host for connecting to the server.
`@hostnameVerificationAlgorithm` | `String` | -
`@idleTimeout` | `Number (int)` | -
`@idleTimeoutUnit` | `TimeUnit` | -
`@localAddress` | `String` | -
`@logActivity` | `Boolean` | -
`@metricsName` | `String` | -
`@password` | `String` | Specify the user password to be used for the authentication.
`@port` | `Number (int)` | Specify the port for connecting to the server.
`@preparedStatementCacheMaxSize` | `Number (int)` | Set the maximum number of prepared statements that the connection will cache.
`@preparedStatementCacheSqlLimit` | `Number (int)` | Set the maximum length of prepared statement SQL string that the connection will cache. This is an helper setting the link.
`@properties` | `String` | Set properties for this client, which will be sent to server at the connection start.
`@receiveBufferSize` | `Number (int)` | -
`@reconnectAttempts` | `Number (int)` | -
`@reconnectInterval` | `Number (long)` | -
`@reuseAddress` | `Boolean` | -
`@reusePort` | `Boolean` | -
`@sendBufferSize` | `Number (int)` | -
`@soLinger` | `Number (int)` | -
`@ssl` | `Boolean` | -
`@sslHandshakeTimeout` | `Number (long)` | -
`@sslHandshakeTimeoutUnit` | `TimeUnit` | -
`@tcpCork` | `Boolean` | -
`@tcpFastOpen` | `Boolean` | -
`@tcpKeepAlive` | `Boolean` | -
`@tcpNoDelay` | `Boolean` | -
`@tcpQuickAck` | `Boolean` | -
`@tracingPolicy` | `TracingPolicy` | Set the tracing policy for the client behavior when Vert.x has tracing enabled.
`@trafficClass` | `Number (int)` | -
`@trustAll` | `Boolean` | -
`@useAlpn` | `Boolean` | -
`@user` | `String` | Specify the user account to be used for the authentication.