-- PERFORM on IMPALA WITH KUDU --- CREATE DATABASE IF NOT EXISTS POC_ENDING; CREATE TABLE IF NOT EXISTS POC_ENDING.sdc( id string, name string, PRIMARY KEY (id) ) PARTITION BY HASH(id) PARTITIONS 12 STORED AS KUDU TBLPROPERTIES('kudu.master_addresses'='cdh01:7051'); -- PERFORM on...
SQL> SELECT SCN,TIMESTAMP,SEQUENCE#,SQL_REDO,SQL_UNDO from v$logmnr_contents WHERE TABLE_NAME='SDC'; SQL> insert into test.sdc(id,name) values('1','AAA'); SQL> insert into test.sdc(id,name) values('2','BBB'); SQL> insert into test.sdc(id,name) values('3','CCC'); SQL> i...
Enterprise Manager Database Control ORAPWD User Migration Utility Oracle Database Upgrade Assistant Oracle Database Upgrade Assistant Data Pump Export (EXPDP) Other Tools SQL*Plus or SQL*Plus Worksheet ORADIM ORADIM SQL*Plus or SQL*Plus Worksheet Or srvctl for database managed by Oracle Clusterware....
PL/SQL recognizes the following SQL pseudocolumns, which return specific data items:CURRVAL,LEVEL,NEXTVAL,ROWID, andROWNUM. Pseudocolumns are not actual columns in a table but they behave like columns. For example, you can select values from a pseudocolumn. However, you cannot insert into, upda...
Single Client Access Name (SCAN) for the Cluster If you have ever been tasked with extending an Oracle RAC cluster by adding a new node (or shrinking a RAC cluster by removing a node), then you know the pain of going through a list of all clients and updating their SQL*Net or JDBC ...
Ora2Pg is a free tool used to migrate an Oracle database to a PostgreSQL compatible schema. It connects your Oracle database, scan it automatically and extracts its structure or data, it then generates SQL scripts that you can load into PostgreSQL. - dar
name_clause子句可以为SQL表达式用于过滤特定的对象名字。它由SQL操作符以及对象名(可使用通配符)来过滤指定对象类型中的特定对象。 当未指定name_clause而仅仅指定object_type则所有该类型的对象都将被过滤或筛选。多个[object_type]:[name_clause]中间以逗号分割。
别名写法:基本上用过 Oracle 的人都知道这种写法,同时这也是最简单、最繁琐的写法。具体来说就是先在配置文件tnsnames.ora中配置 TNS Connect String 并为其取一个别名,然后再到应用程序中通过别名来连接数据库。 一般(Oracle)数据库管理工具都支持别名写法,如被广泛使用的 PL/SQL Developer,配置好tnsnames.ora、TN...
Oracle Enterprise Manager Grid Control has obviously saved you the time and effort of writing this PL/SQL code. In the highly optimized PL/SQL code that is generated, bulk operations are used to replace the original table containing confidential data with a masked-data copy of the table. The...
- Migration cost assessment of Oracle SQL queries stored in a file. - Generate XML ktr files to be used with Penthalo Data Integrator (Kettle) - Export Oracle locator and spatial geometries into PostGis. - Export DBLINK as Oracle FDW. - Export SYNONYMS as views. - Export DIRECTORY as ...