oracle big data connectors

contains at least one tablespace: SYSTEM; system tablespace; when creating a database, create include data dictionary include SYSTEM undo segment Non-SYSTEM tablespace2: more scientific divide tablespace type: 1: permanent tablespace (SYSTEM and No-SYSTEM tablespace are of this type) 2: undo tablespace 3: temporary tablespace 2 and 3 are tablespaces used to manage databases. All data is not permanently sto

Oracle Financial Services Application (OFSA) technology platform: includes Oracle Warehouse Builder Data Warehouse build tools, Oracle8i database, Oracle Express multidimensional database , Common Warehouse metadata General Data Warehouse metadata management tools,

Oracle Financial Services Application (OFSA) technology platform: includes Oracle Warehouse Builder Data Warehouse build tools, oracle8i database, Oracle Express multidimensional database, Common Warehouse metadata General Data Warehouse metadata management tools,

time if db_block_size small, then I/O naturally more, consumption is too large.3, a little bit of db_block_size on the performance of the index has improved a certain extent. Because Db_block_size is relatively large, a db_block can index more rows at a time.4, for the row relatively big words, such as a db_block put not a row, the database when reading data need to do row link, thus affecting read perform

tablespace (online, offline, read write, read only), and how to change the state of the tablespace.4. Understand the reasons for moving data files, and how to move data files using the ALTER TABLESPACE and ALTER DataTable commands. V. Other table spacesIn addition to the most commonly used data table spaces, there are other types of table spaces:1. Index Table

not be short. I thought about the following solution, combining Oracle and mysql, and making full use of the powerful flash back feature of Oracle. This solution may have many highlights for many data recovery scenarios. It has not been tested locally, because some additional customization and Data Type ing are requir

Tags: ODI Oracle HiveThis document describes how to synchronize Oracle table data to hive with the ODI.1. Preparatory workInstall Oracle Big Data connectors on each node of the Hadoop c

Tags: Ada CTI Company snap log compare archive buffer disaster preparednessOracle database is still at the forefront of commercial databases. The security of the core business and core data running on the Oracle database is particularly important. There are generally two broad categories of disaster recovery products that are common to Oracle databases on the mar

to find data files, can not find the error), error, because the data file in the control file stored in the address is 10g E:\oracle\product\10.2.0\oradata, rather than 11g app\ ... The data file is then copied to the address that the control file points to (it's all pushed to the--! ), then start mount, no problem!Al

11.2.0.4 to 11.2.0.4 [release 11.2]Information in this document applies to any platform. Goal:In Oracle 10g and 11g, what is the maximum value below.DatabaseTablespaceDataFile Workaround:For small file database For a small file database, the Oracle database has the following limits: Maximum number of datafiles is:65533Maximum data blocks per datafile:2^22-1 = 41

Tags: oracle max database size max tablespace size max datafile sizeMaximum data capacity limits for Oracle databases and maximum data capacity limits for table spacesReference text:What's the Maximum tablespace Size and Database Limit for a Oracle database? (Doc ID 1372905.

Tags: varchar2 problem content har backup sys TAF ALTER RESFirst, the conceptA tablespace is a logical part of a database.Physically, the database data is stored in the data file;Logically, the database data is stored in a table space, and the tablespace consists of one or more data files. Second, the logical structur

owner from fromuser to touser. Users of fromuser and touser can be different)Rows = yIndexes = yGrants = yConstraints = yBuffer= 409600File =/backup/ctgpc_20030623.dmpLog =/backup/import_20030623.log Adding feedback = 1000 to the import/export command will display an increasing number of "..." to change the blinking cursor. Notice: EXP/imp is very easy to use, but the only confirmation is that the speed is too slow. If the data in a table has hundred

Function: Oracle Data Import/Export imp/exp is equivalent to Oracle data restoration and backup. In most cases, you can use ORACLE data import and export to back up and restore data (wi

Saturday and make a differential backup on other daily backups. Next week, Monday will back up all the changed data in the database after last week's Saturday, while the differential backup next week's Friday will back up all the changed data since the full backup last week's Saturday. It can be seen that the start point of differential backup is always the time after the last full backup.The third concept

The previous article has completed the installation of SQOOP2, this article describes sqoop2 to import data from Oracle HDFs has been imported from HDFs Oracle The use of Sqoop is mainly divided into the following parts Connect Server Search Connectors Create link Create job Execute job View job run information Befor

additional customization and Data Type ing are required, so it is just a rough idea. First, we need to maintain the original MySQL architecture, one master database and two slave databases. Because the binlog in the master database is the key to data synchronization, you can consider setting a path for SQL parsing, SQL parsing or using binlog, and then make appropriate changes. This process can be an async

only confirmation is that the speed is too slow. If the data in a table has hundreds of millions of records, it is often a long time to stop importing and exporting the data in this table, however, the new tool expdp/impdp is provided from Oracle 10 Gb, which provides high-speed parallel and big

"..." to change the blinking cursor. New: Exp/imp is very easy to use, but the only confirmation is that the speed is too slow. If the data in a table has hundreds of millions of records, it is often a long time to stop importing and exporting the data in this table, however, the new tool expdp/impdp is provided from Oracle 10 Gb, which provides high-speed paral

the following command to generate the Def fileDefgen Paramfile DIRPRM/DEFGEN1.PRMUpload the generated DEF file to the target end $ogg_home/dirdefTarget-side configuration:1. Copy all files under $ogg_home/adapterexamples/big-data/kafka to $OGG_HOME/DIRPRMCD $OGG _home/adapterexamples/big-data/kafkaCP * $OGG _HOME/DIRP