Oracle

Select Format:SELECT [All | DISTINCT] From ,[, ...][WHERE [GROUP BY [having[Order by [ASC | DESC]] Statement Description:[] square brackets are optional[GROUP BY [havingThe result is grouped by the value of the , which is equal to a set of

Jobs is one of the Oracle database objects, timed tasks. Add a task to the task queue by calling the stored procedure dbms_job.submit. View the Dbms_job package, which has two stored procedures: PROCEDURE isubmit (Job in Binary_integer,What in

This article describes the MySQL, MSSQL, and Oracle paging query methods. Share to everyone for your reference. The specific analysis is as follows: Paging queries are one of the most common technologies in web development, and have a bit of

Today, a friend asked the following case, ora-01114,ora-27067 and OSD-04026 errors appear simultaneously: ACTION NAME: () 2009-04-01 09:31:00.762MODULE NAME: (JDBC Thin Client) 2009-04-01 09:31:00.762SERVICE NAME: (sys$users) 2009-04-01 09:31:00.762

Always feel that using Windows to run Oracle is not reliable thing, can this world there are always a lot of people like to do things like this, for the database more common two things: Rman and delete the DG Standby archive log, on the Linux/unix

To use PHP to connect to Oracle, the basic condition is1. You need to install PHP,2. Installation of Oracle,3. Tnsname.ora is configured.The local command line uses Sqlplus to connect to Oracle. Select the 64bit or 32bit PHP program based on your

Sometimes the database hangs up, the library will be ORA-00704 error, and the root cause of the ORA-00704 error is access to obj$, Oracle needs to roll back the data in the paragraph, and access to the rollback segment when the need for the undo

A friend mentioned a data pump import problem, in the presence of a table, do not delete the table, and import the table's data and indexes. In fact, this task is very simple for imp, because IMP works in this way. sql> CREATE TABLE T_exp 2 (ID

Oracle Creation Table statement (CREATE TABLE) syntax detailed and examplesCreating a table (CREATE TABLE) syntax detailed1. Types of fields commonly used by OracleOracle's Common field types areVARCHAR2 (size) variable-length string, which must be

Oracle goldengate 0 Basic Starter Training-installation, configuration, diagnosticsCourse Study Address: http://www.xuetuwuyou.com/course/158The course out of self-study, worry-free network: http://www.xuetuwuyou.comFirst, the course introduction:In

Oracle goldengate 0 Basic Starter Training-installation, configuration, diagnosticsCourse Study Address: http://www.xuetuwuyou.com/course/158The course out of self-study, worry-free network: http://www.xuetuwuyou.comFirst, the course introduction:In

Https://blogs.oracle.com/wim/entry/mysql_5_6_20_4?utm_source=tuicool&utm_medium=referralBy Wimcoekaerts-oracle on Jul, 2014The MySQL team just released MySQL 5.6.20. One of the cool new things for Oracle Linux users is the addition of MySQL DTrace

OverviewWe know that the impact of a B/s application performance factors, roughly speaking, has the following several major links:1. Client link2. Network links (may include WAN and LAN)3. Application and middle-tier links4. Database Layer LinksThe "

OverviewIt is well known that during peak business hours, certain operations against Oracle databases are risky, such as modifying the table structure, modifying instance parameters, and so on, which, if not adequately evaluated and understood by

First download instantclient can be downloaded to the Oracle website, to register the account, must be under the corresponding version, otherwise unsuccessful,10g,11g version of, I have been sent up, free download: Is crossing, wait a

Download the 3 required packages (in order to connect the 11g database)1:oracle Client (Oracle clients)Http://www.oracle.com/technetwork/cn/database/enterprise-edition/downloads/112010-win64soft-086667-zhs.htmlDownload Win64_11gr2_client.zip

Now that I've been testing, I've learned about Android before, I've been through some databases, I didn't know much about it, and I'm not sure how to get Oracle DBA to do a preliminary plan here:1. Search for the process of obtaining an Oracle DBA2.

1. The following error occurred: Ora-12541:tns:no Listener, as shown in:The reason for the error is that we do not have the Listener listener service open and the workaround is to open the service in the service as shown in.2. The following error

In the 11g cluster, we usually use the initialization file (pfile) under dbs to specify the actual spfile in asm.[Oracle @ ol6-112-rac1 dbs] $ cd/u01/app/oracle/product/11.2.0.4/db_1/dbs[Oracle @ ol6-112-rac1 dbs] $ lsHc_acfsdb.dat hc_cdbrac_1.dat

In general, if we perform the alter operation, the drop operation is not triggered. However, in some special cases, the alter package operation can see the drop operation in recursive SQL.We have a trigger in this environment, once there is a drop