Oracle

In the process of building a logical repository based on physical standby, we run:ALTER DATABASE recover to logical standby READDB;stuck, and alert does not have an error message, extremely depressed, consulted others, chat records such as the

I. Getting started with Oracle analytics functionsWhat is an analytic function?Analytic functions are powerful functions that Oracle specifically uses to address the statistical requirements of complex reports, which can be grouped in data and then

First, the overall introduction:Oracle databases and databases represent the foundation of all Oracle database objects. Oracle is a large relational database based on advanced Structured Query Language (SQL), in other words, manipulating a large

Table-level locks have a total of five modes, as shown below.Row-level exclusive lock (row Exclusive, short rx Lock)When we do DML, we automatically add the RX lock on the table being updated, or you can explicitly add the RX lock on the table by

As a developer of BI, often start-stop bi service is inevitable, the process of startup is relatively long, the command needs different directory switch, it is annoying the dead, deliberately organized the Linux startup script, the following script

Today made a comment on the small function, requires a JNDI connection pool connection to the Oracle database, previously just tested the connection, and now do not think of a jndi connection pool connected to the Oracle database, tangled for a long

Troubleshooting X64 operating system PL/SQL connection error Make sure the the-Bits Oracle client installedDescription Plsql developer does not support Oracle 64-bit client connections.Workaround:1. Download 32-bit Oracle ClientIn fact, you can

1. CREATE TABLE SpaceCreate Tablespace Ts_awLoggingDataFile ' d:\app\Administrator\product\tablespace\ts_aw.dbf 'Size 10MAutoextend onNext 5MMaxSize 20480M;2. Create userCreate user HB identified by HBDefault Tablespace Ts_aw;3, to the user

This is the question of a group of friends who were in the technology Group one day ago.Said Cognos Framework test data errorSpecific asSpecific error messageOracle.jdbc.driver.T4CPreparedStatement.getParameterMetaData () ljava/sql/parametermetadate;

The difference between rollup and cube in Oracle GROUP by:Oracle's GROUP BY statement supports rollup and cube statements in addition to the most basic syntax.In the case of rollup (a, B, c), group by IS performed on (a, B, c), then group by (A, B),

DECODE ()Introduction to the Decode () function:Main role: Translation of query results into other values (that is, in other forms of expression, the following examples);How to use:Select decode (ColumnName, value 1, translation value 1, value 2,

About Oracle Cluster RegistryOracle Cluster Registry (OCR) is a file This contains information about the Cluster node list and instance-to-node mapping Information. OCR also contains information about the Oracle Clusterware resource profiles for

Database name, instance name, database domain name, global database name, service name, which are some of the concepts that make many beginners easy to confuse. I believe many beginners are as confused as I am in the title of these concepts.Let's

Set up connectivity to Oracle Geodatabase» Manage Geodatabases in Geodatabase»oracleTo establish a connection from a client computer to an Oracle database, you must install the Oracle client application on the client computer. Also, make sure that

Calculates the number of workdays between two dates (excluding the two dates, excluding weekend)Reference from:How to Compute business days for a Date Range in SQL or Plsql (Doc ID 1014162.6)There are two ways of doing this:The first is to use an

Basic syntax and examples:I. EXP: There are three main ways (full, user, table)1, Complete: EXP system/manager buffer=64000 file=c:\full. DMP full=y If you want to perform a full export, you must have special permissions2, User mode: EXP sonic/sonic

ArcSDE data migration Exception from HRESULT: 0x800000038 Problem and Solution, arcsde0x800000038 I. Problem Description 1. The interface ESRI is used to create database tables (data migration) in batches in the ArcSDE (Data Server) using the gdb

How to create an auto-increment field in a table in OracleThis method uses SEQUENCE (SEQUENCE). For example, the structure of table temp_test is: create table TEMP_TEST.(Id number,Nm varchar (10 ),Primary key (id) // id is the primary key. The

RMAN-03002, RMAN-06059, ORA-19625 and ORA-27037 When Running RMAN Backup of Archivelogs, rman-03002rman When RMAN backs up the database, the following error message is displayed: Starting backup at 25-MAY-15 Current log archived Allocated channel:

Expdp reports The value (30) of MAXTRANS parameter ignored error cause diagnosis, expdpmaxtrans When using expdp to export the data of a table, the following situations were encountered and the error message was not displayed. The execution was