migrate data from oracle to mongodb

The following methods do not consider incremental data updates, real-time data synchronization, and logical data conversion. If you have these requirements, we recommend that you use a third-party ETL tool or The following methods do not consider incremental data updates, real-time

least 20% of the blocks to be idle. Reserved 20% is used for existing row updates. optimize free space in 4.2 data blocks The proportion of space space should not be less than pctfree, but can exceed 20%. The following command can increase the free space in a block: L DELETE L UPDATE (change the existing value to a smaller value, or let the row migrate) L Insert (Insert wake-up block compression, resultin

:@10.19.100.19:1521/aegisdb src_db_user=aegisdbsrc_db_password=123456 target_db_url=jdbc :p Ostgresql://localhost:5432/aegistarget_db_user=postgrestarget_db_password= 123456The configuration file uses JDBC to configure the connection string for the target library (PG) and Source Library (Oracle), where Oracle is a PDB for 12c, so the service name cannot be used as a SID.Four. Migration 4.1 generate migrat

Summary of Oracle transmission tablespace migration data Note: users must be created before the tablespace is migrated. Otherwise, the migration will fail. Sometimes, we need to migrate relatively large data across platforms (10 Gb supports cross-platform), using EXP/IMP and other methods is very slow, you can achieve

or DOS (command line),DOS can be performed because the install directory \ora81\bin in Oracle 8i is set to the global path,There are EXP.EXE and IMP.EXE files under this directory that are used to perform import export.Oracle is written in Java, I would like to SQLPLUS.EXE, EXP. EXE, IMP. EXE these two files are wrapped in the class file.Sqlplus. EXE call EXP.EXE, IMP. EXE they are wrapped in the class, completing the import export function. Attentio

Label:Server System for Windows R2 64-bit, because the C disk space will be full, to the C-disk of the Oracle DBF data file to migrate to the D disk, the steps are as follows:1. Enter CMD to start the Cmd.exe window2. Enter Sqlplus/nolog3. Input conn Sys/[email protected] as Sysdba4. Enter sql:select name from V$datafile;View the relevant

Now that the cause of the problem has been found and the solution has been found, but the cause of the problem is not clear. That is, to find out why the statistics for these partitioned tables are locked. Oracle's Dbms_stats package provides a lock_table_stats process, but the current problem is obviously not caused by manual invocation of the process. All for a moment, Metalink found that Oracle describes the possibility that statistics are locke

under a pre-created user.If you have this CREATE TRIGGER statement, you do not need a trigger to delete the statement7. Click the converted model, right-select the mobile data,Select the source and destination connections, remove the tick, the target connection is the database you created or the one you used before, be sure to remove the previous tick.By clicking OK, you can migrate all of the MySQL's corr

Sql*loader is an Oracle data-loading tool that is typically used to migrate operating system files to an Oracle database. Sql*loader is a large data The Load method that the warehouse chooses to use. Under NT, the Sql*loader command is Sqlldr, which is generally sqlldr/sql

tablespace_name---------------------------------------------------------------- --------------------------Ind_tan ind_tan_2013_8 Tan_2013_8ind_tan Ind_tan_2013_7 Tan_2013_7ind_tan Tan_2013_9 Tan_2013_9 5. Delete the migrated partition from the Source library:Sql> select Table_name,partition_name,tablespace_name from User_tab_partitions; table_name Partition_name tablespace_name-------------------------------------------- ----