rs cursors

Cursors (cursor)　　A cursor is a data buffer opened by the system for the user, which holds the results of the SQL statement executionEach cursor area has a nameThe user can use SQL statements to fetch records from the cursor and assign the main

ORA-01000 is a common exception in development. This exception indicates the number of opened cursors in the program> the maximum number of opened cursors set in the database. This exception is usually caused by two reasons. 1. The maximum open

I often develop asp, but I am not very clear about the detailed statements. Here is a brief introduction. Generally Rs. open SQL, conn, are used to read data. Modify data: rs. open SQL, conn, 1, 3 Delete data: You can directly delete data such as

Introduction: Plsql Data typesScalar data types: Numeric class, character class, Date class, Boolean Class (Boolean),Composite data types: Records (%rowtype), tables, arraysReference type: REF CURSORLOB type: BLOB, CLOB1. System-Defined

The cause of this problem is that in a session, the number of statement or PreparedStatement that are not closed exceeds the maximum number of open cursors that are defined.Use this command line to query the maximum number of open cursors for a

Oracle Series: REF CursorIn the Oracle series above: Cursor (see:http://blog.csdn.net/qfs_v/archive/2008/05/06/2404794.aspx)Mention a thought: how do I get cursors to be passed as parameters? To solve this problem, you need to use the REF Cursor.1,

Rs. Open SQL, Conn, are used to read data. Modify data: Rs. Open SQL, Conn, 1, 3 Delete data: You can directly delete data such as conn.exe cute ("delete * From New where id = 1. Rs. Open Syntax: Rs. Open source, activeconnection, cursortype,

0. Common functionssubstr(str,start,length);//可以反向索引。length不指定就到结尾to_number(str);//str转numberselectto_char(sysdate,‘yyyy-mm-dd hh24:mi:ss‘) from dual;//日期转字符nvl(tt,0);//若是空值则为01. CursorsFor the processing of collection data, learn how to use

JDBC Tool class Public classJdbcutils {Private StaticString Driver = "Oracle.jdbc.OracleDriver"; Private StaticString url = "JDBC:ORACLE:THIN:@192.168.79.128:1521/ORCL"; Private StaticString user = "Scott"; Private StaticString password = "Tiger";

Rs. Open SQL, Conn, a, BParameter A is the type of the Set cursor, and its value is:0: Only forward cursor. Only forward browsing records are supported. pagination, recordset, and bookmark are not supported.1. keyset cursor. The changes made by