Running JDBC 3.0 connection checks on DriverManager holdability true JDBC 3.0 savepoint org.apache.derby.client.am.SqlExcep…
isolation 源代码
isolation意思是隔离(计算机),解决并发问题的方法之一。即划分数据,使得每一篇数据都只能被一个执行单元访问。
ij> -- -- this test is for miscellaneous errors -- -- lexical error select @#^%*&! from swearwords; ERROR 42X02: Lexical error at …
Running connection checks on Nested isolation level 2 auto commit false read only false setTypeMap(EMPTY_MAP) - ok…
ij> -- create a table create table t1(c11 int, c12 int); 0 rows inserted/updated/deleted ij> -- insert data into tables insert int…
ij> -- create a table create table t1(c11 int, c12 int); 0 rows inserted/updated/deleted ij> -- insert data into tables insert int…
ij> -- single user test for the various isolation levels -- also notice in the runtimestatistics output that Fetch Size is 16 for …
Running JDBC 3.0 connection checks on Nested holdability true JDBC 3.0 savepoint OK Running connection checks on Nested is…
package console; import java.sql.ResultSet; import java.sql.ResultSetMetaData; import java.sql.SQLException; import java.sql…
SET TRANSACTION SQL - Language Statements SET TRANSACTION set the characteristics of the current transaction SET…
/* * Copyright 1999-2004 The Apache Software Foundation. * * Licensed under the Apache License, Version 2.0 (the "License")…