List values = ... StringBuilder builder = new StringBuilder(); for( int i = 0 ; i < values.size(); i++ ) { builder.append("?,"); } String placeHolders = builder.deleteCharAt( builder.length() -1 ).toString(); String stmt = "select * from test where field in ("+ placeHolders...
There are a number of ways to enable server side prepared statements depending on your application's needs. The general method is to set a threshold for a PreparedStatement. An internal counter keeps track of how many times the statement has been executed and when it reaches the threshold it ...
There are a number of ways to enable server side prepared statements depending on your application's needs. The general method is to set a threshold for a PreparedStatement. An internal counter keeps track of how many times the statement has been executed and when it reaches the threshold it ...
statement=connection.createStatement();for(inti = 1; i <= 1000; i++) { String query= "INSERT INTO Testing(Id) VALUES(" + 2 * i + ")"; statement.executeUpdate(query); } //耗时 5511MS 2.用prepared statement connection =DriverManager.getConnection(sqlurl, sqluser, sqlpassword); Prepared...
Executes the SQL statement in this PreparedStatement object, which may be any kind of SQL statement. Some prepared statements return multiple results; the execute method handles these complex statements as well as the simpler form of statements handled by the methods executeQuery and executeUpdate. ...
Empties this Statement object's current list of SQL commands. (Inherited from IStatement) ClearParameters() Clears the current parameter values immediately. ClearWarnings() Clears all the warnings reported on this Statement object. (Inherited from IStatement) Close() Releases this Statement objec...
publicclassJdbcDemo2{publicstaticvoidmain(String[]args){Connection connection=null;Statement statement=null;try{//1、注册驱动Class.forName("com.mysql.jdbc.Driver");//2、定义sqlString sql="insert into account values(null,'wangsan',2000)";//3、获取Connection对象connection=DriverManager.getConnection(...
Executes the SQL query in this PreparedStatement object and returns the ResultSet object generated by the query. [Android.Runtime.Register("executeQuery", "()Ljava/sql/ResultSet;", "GetExecuteQueryHandler:Java.Sql.IPreparedStatementInvoker, Mono.Android, Version=0.0.0.0, Culture=neutral, PublicKeyTo...
spring.jta.bitronix.datasource.prepared-statement-cache-size = 0 #准备好的语句高速缓存的目标大小。 0禁用缓存。 spring.jta.bitronix.datasource.share-transaction-connections = false #ACCESSIBLE状态下的连接是否可以在事务的上下文中共享。 spring.jta.bitronix.datasource.test-query = #用于在返回连接之前...
Java documentation forjava.sql.Statement. Portions of this page are modifications based on work created and shared by theAndroid Open Source Projectand used according to terms described in theCreative Commons 2.5 Attribution License. Fields CloseAllResults ...