Resync 否 No 是 是 支持 是 是 是 是 更新 是 是 是 是 UpdateBatch 是 是 是 是*Microsoft Access 数据库不支持此方法。动态属性Microsoft OLE DB Provider for ODBC 将多个动态属性插入到未打开的 Connection、Recordset 和Command 对象的 Properties 集合中。下...
下列屬性會新增至 Connection 物件的 Properties 集合。展開資料表 ADO 屬性名稱OLE DB 屬性名稱 Active Sessions DBPROP_ACTIVESESSIONS 非同步中止 DBPROP_ASYNCTXNABORT 非同步認可 DBPROP_ASYNCTNXCOMMIT 自動認可隔離等級 DBPROP_SESS_AUTOCOMMITISOLEVELS 目錄位置 DBPROP_CATALOGLOCATION 目...
list of cipher suites that you want to allow to secure client TLS/SSL connections to your database. With configurable cipher suites, you can control the connection encryption that your database server accepts. Doing this prevents the use of ciphers that aren't secure or that are no longer ...
Log resizing can be aborted by killing the connection that is executing the SET GLOBAL statement. Commandline: --innodb-log-file-size=# Scope: Global Dynamic: Yes (>= MariaDB 10.9), No (<= MariaDB 10.8) Data Type: numeric Default Value: 100663296 (96MB) (>= MariaDB 10.5), ...
Resync No No Yes Yes Supports Yes Yes Yes Yes Update Yes Yes Yes Yes UpdateBatch Yes Yes Yes Yes *Not supported for Microsoft Access databases. Dynamic Properties The Microsoft OLE DB Provider for ODBC inserts several dynamic properties into the Properties collection of the unopened Connection, ...
noshards 提交未接触任何分片的事务。 singleshard 提交影响单个分片的事务。 singlewriteshard 联系到多个分片,但其写入操作仅影响单个分片的事务提交。 readonly 提交仅涉及读取操作的事务。 twophasecommit 提交包含写入多个分片的事务。 recoverwithtoken 提交从另一个实例或该实例重新启动后恢复事务结果。 对于每种...
connection(self, shareable=True) 连接池首先是一个连接创建工厂,因此,连接创建方法是连接池最重要的方法了,他返回一个可用连接,参数 shareable 用来表示是否需要线程间可共享的连接。 8.1. 执行流程 上图中列出了创建连接的详细流程,主要分为两个部分:创建线程独立连接与线程间共享连接。 PooledDB 中有两个 list...
close() Closes the currently active DB connection. yii\mongodb\Connection getCollection() Returns the Mongo collection with the given name. yii\mongodb\Connection getDatabase() Returns the Mongo collection with the given name. yii\mongodb\Connection getFileCollection() Returns the Mongo GridFS col...
If the value is true, Snowflake keeps the session active indefinitely, even if there is no activity from the user. If the value is false, the user must log in again after four hours of inactivity. The default is false. Setting this value overrides the server session property for the ...
如果开启了removeAbandoned,当getNumIdle() < 2) and (getNumActive() > getMaxActive() - 3)时被触发. 举例当maxActive=20, 活动连接为18,空闲连接为1时可以触发"removeAbandoned".但是活动连接只有在没有被使用的时间超 过"removeAbandonedTimeout"时才被回收 ...