Oracle

1. Kill sessions in batchesSelect Concat ('alter system kill session ''', Concat (SID, ','), serial #),''';')) from v $ session where username = 'Scott'An alter system kill session 'sid, serial 'is generated. 2. Find the process corresponding to

There are three ways to start the Oracle service:1 slave control panel2 Use MS-DOS commands3. Use Oracle administration assistant for WindowsNT -Start the Oracle service through the control panel1) choose Start> Control Panel> Management Tools>

To generate an oracle statpack 1. telnet to a remote database serverCMD> Telnet the IP address of the remote database 2. Users switching to the databaseDqxxdbs01:/> Su-Oracle 3. Use a super user to access the database$ Sqlplus "/As sysdba" 4. Check

Oracle Parameters I. Differences between Oracle pfile and spfilePfileThe default name is "init + routine name. ora "file path: e: \ oracle \ product \ 10.2.0 \ db_1 \ DBs. This is a text file and can be opened using any text editing tool.SpfileThe

Oracle query operation considerations 1. Fuzzy searchTo use the wildcard % and _ as character values, you must use the Escape Character After escape. For example:-- Query records starting with 'pt _ 'in the g3e_username FieldSelect * From

Timed_statistics parameter: used to determine whether to collect related time parameters. True indicates collection. If this parameter is set to false, data cannot be collected in the event-related view.SQL> show parameter timed_statistics;Name type

// Create temporary tablespace test_temp Tempfile 'e: \ oracle \ product \ 10.2.0 \ oradata \ testserver \ test_temp01.dbf' Size 32 m Autoextend on Next 32 m Maxsize 2048 m Extent management local; // Create a data table space Create tablespace test_

From: imports data from the Oracle table into an insert statement. Sometimes we need to import data from Oracle to other databases. Generating the insert into table name... is a simple and straightforward method. From www.arikaplan.com/oracle.htmlin

From: brucelau @ csdnThere are three methods:1. You can use third-party tools such as toad and PLSQL develop to export the DLL. The advantage of this method is that the operation is simple and convenient, but you need to install it, the following

Deletes a column from a table in the database. Alter table tablename drop clumn clumnname; Some fields in the Database need to be modified because of the changes required. after checking the information on the network, the field name cannot be

1. String concatenation Update tbl_main d set D. area_id = '0' | D. area_id 2. Stored Procedure and cursor Create or replace procedure prc_inset_dealAsBeginDeclareCursor main_departIsSelect * From main_bak;Temp main_bak % rowtype;BeginOpen

CHR (10) and CHR (13) -- line feed in OracleCHR (32) -- indicates space CHR (9) -- I don't know what it means. The following shows that it is neither a space nor a tab key.  DeclareV_a varchar2 (255 );V_ B varchar2 (255 );BeginSelect 'A' | CHR (9) |

Many people have explained this online, the relevant code is also a lot, the code reference http://hi.baidu.com/bailang3106/item/c80b0fed8a08dbd1ea34c952 Http://baser.blog.51cto.com/4153192/871086   There is only one recipient process:  Create or

Problem description: My colleague said that an SQL statement on PLSQL has been being executed. To be disconnected, the PLSQL process cannot be disconnected. Therefore, the PLSQL process is simply closed. Later, I wanted to check whether the process

Application of dbms_rls package -- Implement row-level security control of database tablesRNS stands for row level security. Log on to the kgis user to create the recursive experiment data table and create the recursive function to apply it to a

After the Oracle database is installed, Scott and other users are locked by default and cannot log on to the database using Scott. To unlock a user, you need to enter sqlplus and execute the following command: 1: SQL> ALTER USER username ACCOUNT

If you want to drop a database user and find that the user has been connected to the database, you cannot directly drop the user. Use 1: select * from v$session where username='USERNAME' and STATUS <>'KILLED'We can see that the session to be

Originally published on Netease blog 17:30:17 MySQL was previously viewed at school and used for a period of time. It is relatively simple to create an auto-incrementing field in MySQL.For example, in the table creation statement, Id int key

This is what I met when I went to the soft link power interview today. at that time, although I knew it was implemented through a tool provided by the database, I did not know how to do it because I had never used it before. the Java program method

Oracle Database 10GRelease 2 (10.2.0.1.0)Enterprise/Standard Edition for Microsoft Windows (32-bit) Thank you for accepting the OTN License Agreement; you may now download this software.