rowset

Implementations of RowSet, CachedRowSet etc

a 夏天 提交于 2019-12-17 18:33:19
问题 Until today I was working with ResultSet when handling results from queries. But today I read a little about RowSet and CachedRowset and I realized they can serve my purposes better. While in all the examples I read where RowSet and CachedRowSet were referred to as object, when I tried it myself in my code I realized those are interfaces and in the examples they use some implementation of those interfaces. Now my question is where do I find those implementations, and is there something

“java.sql.SQLException: ResultSet is not updatable” with JdbcRowSet

▼魔方 西西 提交于 2019-12-02 10:27:22
问题 I want to use RowSet Interface implement update,But I meet some error. I’ve tried on following code: // Load the JDBC driver Class.forName("com.mysql.cj.jdbc.Driver"); System.out.println("Driver loaded"); RowSetFactory rsFactory = RowSetProvider.newFactory(); JdbcRowSet rowSet = rsFactory.createJdbcRowSet(); rowSet.setUrl(DATABASE_URL); rowSet.setUsername(USERNAME); rowSet.setPassword(PASSWORD); // make rowset updateable rowSet.setReadOnly(false); rowSet.setType(ResultSet.TYPE_SCROLL

Implementations of RowSet, CachedRowSet etc

做~自己de王妃 提交于 2019-11-28 07:36:10
Until today I was working with ResultSet when handling results from queries. But today I read a little about RowSet and CachedRowset and I realized they can serve my purposes better. While in all the examples I read where RowSet and CachedRowSet were referred to as object, when I tried it myself in my code I realized those are interfaces and in the examples they use some implementation of those interfaces. Now my question is where do I find those implementations, and is there something official? Do I need to download them or do they come with the JDK? BalusC The implementations are JRE

Rowset does not support scrolling backward

主宰稳场 提交于 2019-11-27 15:43:21
I am trying to query a MySQL database with the below code: 'declare the variables Dim Connection Dim Recordset Dim SQL 'declare the SQL statement that will query the database SQL = "SELECT * FROM CUSIP" 'create an instance of the ADO connection and recordset objects Set Connection = CreateObject("ADODB.Connection") Set Recordset = CreateObject("ADODB.Recordset") 'open the connection to the database Connection.Open "DSN=CCS_DSN;UID=root;PWD=password;Database=CCS" Recordset.CursorType=adOpenDynamic 'Open the recordset object executing the SQL statement and return records Recordset.Open SQL

Rowset does not support scrolling backward

守給你的承諾、 提交于 2019-11-26 17:17:50
问题 I am trying to query a MySQL database with the below code: 'declare the variables Dim Connection Dim Recordset Dim SQL 'declare the SQL statement that will query the database SQL = "SELECT * FROM CUSIP" 'create an instance of the ADO connection and recordset objects Set Connection = CreateObject("ADODB.Connection") Set Recordset = CreateObject("ADODB.Recordset") 'open the connection to the database Connection.Open "DSN=CCS_DSN;UID=root;PWD=password;Database=CCS" Recordset.CursorType