Oracle

No one would deny that Oracle is one of the most influential database products in the world. However, a large system always has various problems, and many inexperienced users are helpless in the face of error prompts. This article lists some common

@ Echo offRem SC config oracleoracle10gtnslistener start = demandRem SC config oracleoracle10gisql * Plus start = demandSC config oracleservicecinno start = demandSC config oracledbconsolecinno start = demandPause @ Echo offRem SC start

In Oracle, sys_guid () can be used to generate a guid, which is equivalent to newid () in MSSQL (). In Oracle9i and Oracle 10g, sys_guid generates 32-bit data, for example, 234e45f0077881aae0430aa301_1aa. However, the guid format in Oracle is

I haven't written a demo for a long time, and I haven't written a page for a long time, so I have to itch my hands, The following describes how to access the Oracle database through the ASP. NET page through system. Data. oracleclient, In fact,

Oracle Character Set viewingSelect userenv ('language') from dual;The following method can be used to modify Oracle10g and Xe: Connect system as sysdba;Shutdown immediate;Startup Mount;Alter system enable restricted session;Alter system set

Basic update statements Update all records Update Set = Create Table TestSelect object_name, object_typeFrom all_objects;Select distinct object_nameFrom test;Update TestSet object_name = 'opops ';Select distinct

I don't know if it can be used. I think there are only two types of providers, one is sqlschemaprovider and the other is adoxschemaprovider. After the template is written, an error is prompted during compilation, The project cannot be found in

1 hibernate connection ORACLE: DriveProgramPut class12.jar under Lib. 2. hibernate connections oracle. JDBC. Driver. oracledriver JDBC: oracle: thin: @ localhost: 1521: Oracle System System 3. Restore database tablesGenerally, @ XXXXX. SQL

Recently, I encountered a problem. After Oracle 10 Gb Database Export, the import in 9i was actually problematic, so After trying to install 9i and connect to 10 Gb, use the 9i exp command to export the data. Who knows whether the exported data is

Installed Oracle client,. netProgramRemotely connect to the Oracle database, but always prompts con. open () has not set the object reference to the instance of the object. It has been found on the internet for a long time, and I have explored it

//// // SQL Server ///////// /////////////////// Exec sp_droplinkedsrvlogin dbvip, null Exec sp_dropserver dbvip Exec sp_addmediaserver @ Server = 'dbvip ',--Access Server alias @ Srvproduct = '', @ Provider = 'sqloledb ', @ Datasrc =

After reading some information on the Internet, I found thatOracleThere are multiple lock classification methods in, and the lock is analyzed from different angles. Prerequisites: DDL(Database definition language): Database

First, ensure that the server service is enabledEnter "net share C $ = C:" in the command prompt and press Enter.Disk C is shared by default, and the problem is solved.Cause: If default sharing is not enabled, Oracle cannot check the availability of

Procedure: Sqlplus/nolog Connect/As sysdba; Shutdown immediate; Startup Mount; Alter database rename file 'C: \ ora92 \ oradata \ trans \ Trans. dbf' to 'd: \ ora92 \ oradata \ trans \ Trans. dbf '; Alter database open;

Addition Select sysdate, add_months (sysdate, 12) from dual; -- add 1 year Select sysdate, add_months (sysdate, 1) from dual; -- add January Select sysdate, to_char (sysdate + 7, 'yyyy-mm-dd hh24: MI: ss') from dual; -- add 1 week Select sysdate,

· Software environment: 1. Windows NT4.0 + Oracle 8.0.4 2. Oracle installation path: C: \ orant · Meaning: Decode (Condition, value 1, translation value 1, value 2, translation value 2,... value n, translation value n, default value) The

SQL is suitable for small and medium-sized enterprises (easy-to-use and low-cost). However, SQL does not support large data volumes, such as telecommunications data. But it is enough for medium and small enterprises. In non-Telecom and bank-level

Procedure mx_print_common (pd_id in mx_pd_syn.pd_id % type, P_pd_mxb_id in mx_pd_mxb_syn.p_mxb_id % type, P_dept_no in SC _mxk.dept_code % type, P1 SC _bz_syn.bz_code % type, P2 SC _cjjc_syn.cjjc_code % type, P3 SC _mxk.warehouse_num % type) Is Sql2

Data Dictionary dict always belongsOracleUser SYS.1. User:Select username from dba_users;Change PasswordAlter user spgroup identified by spgtest;2. tablespace:Select * From dba_data_files;Select * From dba_tablespaces; // tablespace Select

Before developing a database system, who knows a lot about the Oracle system, especially its features? It seems very rare. For Beginners, this is even more impossible; with a simple understanding of the SQL writing method, we started database