Oracle

How to find out the record V $ SESSION that causes enq: TX-row lock contention has the following four columns to record the row that causes suspension when enq: TX-row lock contention occurs. Www.2cto.com ROW_WAIT_OBJ # NUMBER -- OBJECT_ID

PL/SQL stores objects such as accidentally deleted storage or tables to files in the development environment. because many people share a library and the permission management is unreasonable, it is very likely that you have deleted my storage, I

How to automatically execute the oracle stored procedure every day and call the stored procedure with the joboracle timer 1. create a table. To see the running status of the timer clearly, create a table SQL code with a date field: create table

The stored procedure uses the cursor variable to return the result set. 1) log on to SQLPLUS and use the table EMP www.2cto.com [SQL] C provided by SCOTT: \ Users \ Administrator> sqlplus scott/scott 2) Compile a FUNCTION and RETURN the cursor

16 oracle query date statements are frequently used in the database query process. The following describes 16 oracle query date statements, each oracle query date statement provides a function, which is helpful to you. Www.2cto.com week 1: Obtain

Background in actual projects, the primary key generation mechanism for database tables is designed with multiple options: Sequence, product auto-growth, table auto-growth, UUID, and composite primary key. Considering the simplicity of primary keys

The impact of indexes and Null values on Hints and execution plans because B * Tree indexes do not store Null values, some Oracle queries are allowed when the index field is Null.If you do not use Index. www.2cto.com many times, it seems that you

Oracle views the role permissions of the current user 1. view the role permissions of the current user www.2cto.com select * from role_sys_privs; 2. View All users: select * from all_users; 3. view the details of the current user: www.2cto.com

RAC Local_listener, an Oracle appendix first a conversation: www.2cto.com cainiao asked: I set local_listener = 'listener1' In the parameter file, and then start the database to report an error. SQL> startup ORA-00119: invalid specification for

Use putty's SSH tunnel to connect to Oracle1. Set SSH tunnel on putty of localhost, for example:In this way, the port 1511 connecting to the local machine will be forwarded to port 1521 of remoteIP. Click "Add", and then log on to the remoteIP

View and modify the Oracle Character Set 1. What is the Oracle character set? The Oracle character set is a collection of interpreted symbols of the byte data, which can be divided into sizes and have an inclusive relationship with each other.

How to kill session 1 when an Oracle table update is locked. view the locked table SELECT p. spid,. serial #, c. object_name, B. session_id, B. oracle_username, B. OS _user_name FROM v $ process p, v $ session a, v $ locked_object B, all_objects c

After the oracle listener service is started, the solution is stopped. oracle version 10.2.0.1.0 enables OracleOraDb10g_home1TNSListener in Computer Management. After the service is started, the listener file directory is stopped. D: \ oracle \

All about Oracle Listener Dynamic Registration and static registration 1. What is registration is to register the database as a service to the Listener. The client does not need to know the Database Name and Instance name. It only needs to know the

Oracle tables and View tables and views the most basic data objects in Oracle databases are tables and views. Other data objects include constraints, sequences, functions, stored procedures, packages, and triggers. Database Operations can basically

SQL connection query for Oracle databasesPrefaceIn reality, there is such a requirement that sometimes the data we need to query is in multiple tables, so how to query data from multiple tablesWhat about it? In this case, you need to use table

In the EBS oracle production environment, the database backup script is saved as the sh script respectively below. The first one is that the backup speed of the compressed backup is extremely slow, and it takes 10 hours to GB, however, after the

Data Query Language (Oracle VS MySQL)Simple QuerySuppose there is such a table students:STUDENT_ID MONITOR_ID NAME SEX DOB SPECIALTY------------------------------------------------------------10101 Wang xiaofang female-88 computer10205 Li qiufeng

Changing the validity period of the oracle password may cause exceptions in several existing projects due to a bug in the project. Bug Description: oracle11g. After the silent installation, the user's password is set to 180 days by default. after 180

[Oracle] Kill Session experience is summarized in the daily maintenance of Oracle. We often encounter the following two situations that require DBA kill session: 1. the App complained that their application hang was in use and found that their