Oracle

The following describes how to create an Oracle read-only user role. This method is for your reference. If you have encountered any problems with the Oracle read-only user role, take a look. Script created for Oracle read-only user role:1. Grant the

What are the causes of table creation failure in the ORACLE stored procedure? How can this problem be solved? The following describes how to solve the table creation failure in the ORACLE stored procedure. -- If the current user is SUK, create a

Oracle tablespace is an important part of Oracle databases. The following describes some statements related to Oracle tablespace for your reference. Create an Oracle tablespaceCreate tablespace data01DATAFILE '/oracle/oradata/db/data01.dbf' SIZE 500

Oracle system users are frequently used. The following describes solutions for Oracle system users who forget their passwords. If you have encountered similar problems when using Oracle system users, take a look. SQL> conn/as sysdbaConnected.SQL>

What should I do if the Oracle log file is lost? The following describes how to deal with Oracle Log File loss. Due to accidental operations, the third Oracle log file in the log group is lost.SQL> conn/as sysdbaConnected. SQL> startupThe ORACLE

How Should Oracle fuzzy query be implemented? The following describes how to implement Oracle fuzzy search. If you have any problems with Oracle fuzzy search, you may wish to take a look. In the Where clause, you can use the Like clause with

There are many ways to start and stop Oracle databases. The following describes several common methods for starting and disabling Oracle databases for your reference. I. Oracle Database startup methods: 1. startup nomountNon-installation startup. In

The physical structure of Oracle contains data files, log files, and control files. The following describes the components of these three Oracle physical structures for your reference. 1) Data FilesEach ORACLE database has one or more physical data

Oracle process structure is a strange concept for many new users who have just been familiar with Oracle databases. The following describes the knowledge of Oracle process structure for your reference. A process is a mechanism in the operating

How can Oracle query efficiency be improved? This is a frequently asked question. The following describes how to use the with statement to improve the Oracle query efficiency for your reference. In oracle, the select query statement can use with,

Tablespace is an important concept in Oracle databases. The following describes the syntax for creating tablespaces in Oracle. We hope that you can have a better understanding of creating tablespaces in Oracle. Syntax description for creating a

I believe everyone has some knowledge about the oracle command line. The following describes how to create and delete users using the oracle command line. I hope it will be helpful to you. Delete a user using the oracle command line:

Oracle cursors are often used. The following describes the differences between oracle cursors and cursors. If you are interested in oracle cursors, take a look. Oracle cursor is a named workspace in the database. When the cursor is declared, it is

The oracle transaction isolation level cannot be left blank during oracle Database learning. The following describes the oracle transaction isolation level for your reference. Isolation level) Oracle transaction isolation level defines the degree of

Guidance:IT expert network exclusiveOracle Database Automatic Storage Management (ASM)But what is ASM? ASM is an effective abstraction layer that enables your Oracle database to be used together with an abstract space called diskgroups, rather than

Guidance:When monitoring, diagnosing, and processing database performance problems, time information is often an important basis for judgment. Sometimes we may use some proportions to determine the performance, but using percentages instead of time

In the database, I run the following query statements:Select PLAN_ID, EL_ID, NIIN, ITEM_NAME, PROJECT_CD,Case when LCMC_DOC_NO is null then mrodoc else LCMC_DOC_NO end as "document number"FROM EQLIST_VIEWWHERE PLAN_ID IN (736,1011)AND LCMC_DOC_NO IN

The password entered during database creation is to change the default password of the system, the password you need to enter when logging on with the system, sysman, and other system default identities is the modified password (the password entered

Guidance:RedoLog FilesYesOracle DatabaseA very important log file is also a distinctive feature. Redo log files record any operations on the database, such as using DML statements or DDL statements to change the data, or the database administrator

Introduction: Oracle DatabaseOfStored ProcedureIt is a common and important operation encountered during database operations,Stored ProcedureUsing Oracle's PL/SQL programming language, let's write a stored procedure that does nothing, we can compile