how to use sqlplus

Connection: A physical path between the client process and the server process Session: A logical entity of a database, built by client processes and server processes, as a channel for communication between 2 processes One, dedicated server

SYSDBA cannot log in remotely this is also a very common problem. How are we supposed to solve this problem?When we log in with SYSDBA, we use it to manage our database instances, especially when the server is no longer the machine, which is even

Today, when I use sqlplus to connect to Oracle on the server, I cannot connect to it. The database name on the server is cebdsp, and tnsnames. ora is configured Today, when I use sqlplus to connect to Oracle on the server, I cannot connect to it.

Sometimes you may use the data in the SQLPLUSspool table. How can you speed up the spool? SQLPLUS has a row prefetch option. In SQLPLUS, arraysize is 15SQ by default. Sometimes you may use SQLPLUS spool table data. How can you speed up the spool?

1. ORACLE has two ways to authenticate sysdba/sysoper users: 1). Operating System Level Authentication: After logging on to the oracle Database Host, you can use sqlplus/as sysdba to log on directly: users who belong to the dba permission group

Delete the database that has been created in the Oracle database and reinstall the new database according to the backup oracle path. The path and database SMID must be exactly the same as the original one. Stop all Oracle services, go to the oracle

When creating a tablespace and a user, I forgot the password when I needed it. I tried it many times and didn't connect it, and the user was locked, the following describes how to solve the password problem of Oracle default users. I hope it will be

1. Use SQLPlus to modify the relationship between Oracle sessions and processes: sessions1.1 * processes + 5 Use sys and log on to: SQLgt; show 1. Use SQLPlus to modify the relationship between Oracle sessions and processes: sessions = 1.1 *

In plsqldeveloper, I use the system user to connect to the database. In crt, I use sqlplusassysdba to connect to the database. It is a sys user. Now in plsqldeve In plsql/developer, I use the system user to connect to the database. In crt, I use

1. The original intention of installing rlwrap;2. Installation of Rlwrap tools and problems encountered;3. Using the Rlwrap tool; 1. The original intention of installing Rlwrap:In Windows use Sqlplus are can use up and down around the direction of

1.ORACLE There are two ways to authenticate Sysdba/sysoper users: 1. Operating system Level Authentication: that is, login to the Oracle database host, use the following user login, you can directly use Sqlplus/as SYSDBA login: Under Linux/unix

Symptom Description: Under Linux use Sqlplus Sys/oracle@prod as SYSDBA login is very slow, it takes about more than 10 seconds to log in successfully, use Sqlplus/as SYSDBA login database fast, second log. Using the Sqlplus Sys/oracle@prod as

GoldenGate synchronizes one-way DDL operations on OracleforOracle GoldenGate synchronizes one-way DDL operations in Oracle for Oracle In this article, we have synchronized table DML operations. Perform the following tests: Truncate of the

I used Oracle three years ago and simply "used it". It mainly refers to some database operations and does not include the creation of some stored procedures. So I only know a little about Oracle, at that time, all the items in the database in that

Author: LI Yucheng is using the Linux version of OracleV8.1.6 and installed on RedHatLinux6.0. Author: Li xiaocheng uses Oracle V8.1.6 for Linux and installs it on RedHat Linux 6.0. Author: Li xiaochengI used Oracle V8.1.6 of Linux and installed

ORCLE to export a large amount of data to txt Method 1: Use the SQLPlus spool command operation step 1. Create a script file and store it, such as D: \ spool. SQL. The specific code is as follows: SQL code set echo off -- when you use the start

Note that (SID) indicates the SID Name specified during database installation, and (HOME_NAME) indicates the last Oracle Installation name of the value specified by ORACLE_HOME during installation, in Windows, the default value is similar to

Oracle11g allows you to create tablespaces, create users, authorize roles, Import and Export tables, and garbled Chinese characters.Premise: the Oracle11g database has been installed on the local machine. Requirement: Use the PL/sqldatabase

This article mainly introduces how to use php to connect to the oracle database in windwos, explains the necessary conditions for connecting php to oracle, code instances, and troubleshooting, if you need to connect to oracle using php, refer to the

Go on to the advanced level !! (I personally think this post is very helpful for beginners. please read it carefully. Due to a rush of time, please correct me if you have any errors. in the SQL * PLUS post, we have mastered some basic oracle