Same table name in different schema in oracle. For appeals, questions and feedback about Oracle Forums, .
Same table name in different schema in oracle. car). I want to run query from Oracle schema = Oracle user + database objects owned by that user. – Even though, Oracle creates the SCHEMA object as part of the CREATE USER statement and the SCHEMA has the same name as the USER but they are note the same thing. Refer: Each schema contains different tables. MY_FIRST_TABLE So I found that in the same Database, I have, in another User (not the same where I deploy my EJBs) some tables with the same name of my tables e. However, you say you are on 11g. 2. Multiple database objects can share the same name if they are in different database schemas. Table2). mytable RENAME TO othertable; only supports renaming a table in the same schema. If you are in SCHEMA_1 and you want to access TABLE_B in SCHEMA_2, then you write. However, you can Can two tables present in different schema of same database has same index name ? Will there be any problem? Thanks I tried this on Sql server 2012 and found that those tables are different. employee and bob. Public synonyms are non-schema objects, when private synonyms as tables are schema objects. But the schema name goes to be different but the Table name and the column name remain the same. ORA-00942: table Update of two same tables on different oracle databases. In conclusion options do exist to support tables with the same name from The whole point of schemas is to provide separate namespaces in which you can have identically named tables. You can create table in another schema, when you specify the schema_name. like i want to generate a create table script, which will create table starting with 'BC_' only. Oracle : Swapping table names. Usage of r-dbwritetable for different oracle owner. Thanks in I have table fal_q which is present in two different schemas A and B of the same database having same data. Commented Jan 23, 2014 at 10:04. clone, on the ola instance. For example a is a table in schema1 and b is table in schema2. customer_1 like this where all i have to put. I need to load the target schema with the exported data from the different schemas for Now i have same schema for all tables. Table1 T1 , S2. create public synonym TEST_EMP for GBO_ARC_SCHEMA. 6. Hi I have two schemas which has same tables and different data. Technical questions should be asked in the appropriate category. You should be doing this anyway, because its a performance optimization (SQL doesn't have to work to resolve ambiguous table found: USER1. Another way is to use procedure in the target which executes dynamic SQLs and grant execute privilege to your user, but this is against the security logic in Oracle. Regards, imran I want to execute a query that selects data from a different schema than the one specified in the DB connection (same Oracle server, same database, different schema) I have an python app talking to an Oracle server. Add a comment | I have a table called W_US and I want to create W_UK in oracle with same schema as for W_US. , db1. Export these tables from schema 1 and use import with from_user=schema1 and to_user=schema2. These objects include database user account, roles, contexts, and dictionary objects. another script will create table starting with 'PC_' only. I have seen SQL Server developers often interpreting a schema as a relative term If you want all users to be able to select from the table without qualifying with the schema name, you want to create a public synonym:. Creating table in other schema This means it is not possible to have two different tables with the same name and different structures from different schemas (supporting multiple tables with the same name and same structure from different database instances is possible with the multi-source feature). employees refers to the table named create schema [schema_name] CREATE TABLE [schema_name]. In conclusion options do exist to support tables with the same name from The CREATE SCHEMA statement supports the syntax of these statements only as defined by standard SQL, rather than the complete syntax supported by Oracle Database. Table1, S2. object This means it is not possible to have two different tables with the same name and different structures from different schemas (supporting multiple tables with the same name and same structure from different database instances is possible with the multi-source feature). tab1 . t1; 2. I would: Import the dmp file into a new schema, e. TABLE_B Now suppose SCHEMA_3 is in another database and has TABLE_C. MY_FIRST_TABLE. Do I have the possibility to use two or more of them in one mapping? My idea was to So can you see that a table and a view cannot have the same name (they are both in namespace 1). So I Hi, I am facing a peculiar problem of handling Database schema with the same name(containing same table name but different column names) but for the different systems For appeals, questions and feedback about Oracle Forums, Same table names from different schemas. Default is dbo. (Provided same database, unless you have a db-link) – Maheswaran Ravisankar. like if you have user1 2 tables, same name, owned in 2 different schemas: ie scott. Regards, imran How to name database schema objects. In order to rename a table in a different schema, try: ALTER TABLE owner. According this Oracle documentation Syntax for Schema Objects and Parts in SQL Statements the general syntax for referring to an object is: schema. I have two schema : Database1 and Database2 , in first schema I have TABLE_TEST and iN the second schema the TABLE_TEST too. The service is one of the ways the connection can differ between different databases on the same machine/server/computer. 81. table_name would give you complete freedom to access across schemas. Id = T2. column_name, tc2. . Oracle - Stored Procedure with same name across multiple schema - Which would be called by default. Now i want to get the DDL of the table with different schema. Follow answered May 7, 2009 at 16:42. g. connect hr/hr; select table_name from user_tables; but I want to skip the "connect" command. In that case if I Insert values in to the table fal_q present in schema A by logging in to it, will that be reflected in other schema table as well Thanks in advance Edited by: 859486 on Jul 8, 2011 2:20 PM select distinct owner, object_name from dba_objects where object_type = 'table' and owner = '[some other schema]' Without those system privileges, you can only see tables you have been granted some level of access to, whether directly or through a role. For example triggers which belong to HR are remaped to HR_COPY schema. However, the table inside that triggers still point the HR If I understand you correctly, you have one database with two schemas. I have edited your question title and changed database to schema. I have few databases and all the databases have the same tables (i. 565669 Apr 22 2009 — edited Apr 23 2009. Table2 T2 Where T1. For example, hr. I can use the LKM Oracle to Oracle (DBLINK) knowledge module to load data but this requires setting up a dblink between the two schemas. 5MM records) that I need to copy from one schema/database to another schema/database. How to swap table name in oracle. Pop Pop. From DB1 - Schema S1, I want to do something like this, select T1. USER, ROLE and PUBLIC SYNONYM are in their own collective namespace. I'm in our DB in different schemas there are tables with the same name and same structure. Rename Oracle Table or View as you can see on this post based on Pop's answer, the RENAME statement only works for table in the same schema. table_name, but you need CREATE ANY TABLE privilege and DBA don't like to give any 'ANY' privilege. You can do this only by creating two tables with same name in different schemas. I don't think you can change the table name during the import. 0. create Each schema contains different tables. Of course, the confusion stems partly from the fact that there is a one-to-one correspondence between USER and SCHEMA, and a user's schema shares its name. 510797 Apr 14 2010 — edited Apr 15 2010. At the source there are 4 schemas and each schema contains different numbers of tables. Currently I Each Oracle Database user account owns a single schema, which has the same name as the user. employee, however, I need to import bob. [table_name]( ) ON [PRIMARY] While adding new table, go to table design mode and press F4 to open property Window and select the schema from dropdown. When an Oracle user is created using the CREATE USER command, a schema gets created for the user by default. There is a one-to-one correspondence between Oracle user name and Oracle schema name. MY_FIRST_TABLE and by EJB I would like to create USER2. Thank you for the explanation. Id from S1. TEST_EMP; If you only want user_b to omit the schema name, you want to create a private synonym WITHIN user_b's schema (that is logged on as user_b). refId Please note that I have a requirement where I need to export and import data in oracle 11g. Oracle: If Table Exists. Below are Sample table Generation scripts for reference: I have two DB users by name USER_A and USER_B and we have a table by name EMP in both the DB users. employee. Both S1 and S2 are in different databases. I want to avoid importing scott. Please help in this regard how we can achieve this functionality. SELECT * FROM TABLE1@PROD MINUS SELECT * FROM TABLE1@DEV Any hints. Each schema in the database has its own namespaces for the objects it contains. 2. and like that. Third - If you are using Oracle SQL Developer, and you want to compare the table structure of two tables using different schemas you can do the following: Select "Tools" Select "Database Diff" Select "Source Connection" Select "Destination Connection" Select the "Standard Object Types" you want to compare; Enter the "Table Name" schema is a logical container for data structures, called schema objects. I can use the discoverer report in both of these schemas seperately and it is working fine. Note: The database also stores other types of objects that are not contained in a schema. For Example Source (where expdb would The SCHEMA1 was residing in the same database previously. com. I would like know how to compare between the same table in different database environment like Production and development. The only other way to allow a non-DBA user to create a table in another schema is to give the user the CREATE ANY TABLE system privilege. In that case if I Insert values in to the table fal_q present in 1. Interested in getting your voice heard by members of the Developer Marketing team at Oracle? same index name for different tables in different schema. Ask Question How to change schema name of a table in all stored procedures. I have table fal_q which is present in two different schemas A and B of the same database having same data. ; As login_by, query the new rows from clone and insert them into the This should do the trick: WITH tc1 AS (SELECT column_name FROM all_table_columns WHERE table_name = 'integer_table'), tc2 AS (SELECT column_name FROM all_table_columns WHERE table_name = 'text_table') SELECT COALESCE(tc1. 4. Each Oracle Database user account owns a single schema, which has the same name as the user. That will create a table with the same columns specifications: names, data types, and null I have two different schemas in Oracle (say S1, S2) and two tables in those schemas (say S1. EMP ( EMPNO NUMBER(4), I have a large table (3. But it's not working. But a directory and a table could have the same name, because they are in At the source there are 4 schemas and each schema contains different numbers of tables. column_name) column_name, CASE WHEN tc1. How to rename a table column in Oracle 10g. 0 - 64bit Production. Therefore, a table and an index in the same schema can have the same name. tab1 and create table user2. Why do you want a separate table? Rather than say a single table with a COUNTRY_CODE column to distinguish records. select * from SCHEMA_2. tab1 According to the documentation, tables and materialized view should share the same namespace and so no two such objects with the same name should exist in the same I suppose you want to import the table in a schema in which the name is already being used. For appeals, questions and feedback about Oracle Forums, Same table names from different schemas. , now i want to create these tables in another schema with their constraints and privileges, in another schema. table names). car and db2. You can consider that a user is the account you use to connect to a database, and a schema is the set of objects If you mean you have 2 users (schemas) so yes you can create 2 tables with same name with different users for example create table user1. ; An INDEX has their own unique namespace. I am developing SMS based application which store user requests in different tables on the base of keywords sent in SMS. It opens a connection to database (server/schema) A, and executes select queries to tables inside that database. So, the schema name has been changed. Share. The Create table statements are shown below: CREATE TABLE USER_A. g I have USER1. 862489 Jun 23 2011 — edited Jun 23 2011. 12 Firstly, I recommend you switch to expdp and impdp instead of exp and imp. 1. Customers instead of just Customers), then you shouldn't have any problems, even if you do have the same table name in more than one schema. Improve this answer. While user = schema in most circumstances, that isn’t true all the time. We can use the schema name to refer to objects unambiguously. From the 2 tables, same name, owned in 2 different schemas: ie scott. I need to find which are those differences . I tried TOAD's copy data from table feature, but got errors and it never fully copied, If there is a stored procedure across different schemas (SYS, User defined Schema), which schema would be called by default if we don't mention a Schema Name. Please help in this regard how we In Oracle, users and schemas are essentially the same thing. Thank you! Errors when browsing same table name in a different schema. And Please not all the necessary db links, connections are already given to access these tables. To access TABLE_C you need a database link. oracle-database; new-operator; Share. Add a comment | I know it's unusual, but can I have two table with the same name in Oracle? I thought about tablespace, like by creating two different tablespaces, and then create the table with the same name in those tablespaces. table_1 RENAME TO table_1_temp looks to be the best solution, Oracle same table name on different schema? 3. e. column_name IS NOT NULL THEN 'Y' Oracle 19c Suppose, we want to copy the HR user in the same dabase with different schema name. Each database object belongs to a database schema and has a unique name within that schema. My domain object would be pretty stan Oracle: get list of all tables? How do I list all tables in a schema in Oracle SQL? I want to list all table in another schema. I'm using Spring JPA against an Oracle database and I want to be able to query the same table across 2 different schemas/databases (e. Customers or web. Note: The database also stores other types of objects that are not contained in a 2 tables, same name, owned in 2 different schemas: ie scott. You can also change the schema of the current Table using Property window. I need to check the difference between data in two tables that have same name but are in different schema. Suppose I have three schemas: A, B and C. e. I have two schemas. Related. ; A CONSTRAINT object has their own unique If you mean you have 2 users (schemas) so yes you can create 2 tables with same name with different users for example create table user1. @RobertoHernandez - not quite, in each schema, there is table "MASTER" (always named the same in every schema) containing a column "VERSION" which is a varchar2 datatype with a specific application version number. I need to create separate tablespace per user if there might be a name clash Now my question here is where all i should put schema names in front of these tables, like schema_1. However, tables and indexes are in different namespaces. ; TABLE, VIEW, SEQUENCE, PRIVATE SYNONYM have their own unique namespace. Why not use the DataPump utility introduced in 10g, which replaces Import and Export. The order in which you list the CREATE TABLE, CREATE VIEW, and GRANT statements is unimportant. For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. The problem is when we copy the schema, it points the same table with HR. Datas inside the table-s have some difference between each other . Now this needs to be moved to another database in different server as such. imp clone/xxxxxx@orcl fromuser=login_by touser=clone file=c:\olb. 4,002 1 1 gold badge 18 18 silver Changing Oracle table name. Create table schema2. Oracle Database 11g Release 11. If you fully qualify your table names every time you use them (report. I want to query these two tables from schema S1. I'm doing an Import datapump (via network link) to refresh some data. Oracle : Create table in another schema and grant select and insert on it from the same schema. Just a quick query Can two tables present in different schema of same database has same index name ? Will there be any problem? Thanks. Now i have same schema for all tables. BC_ (50 TABLES) PC_ (20 TABLES) LC_ (30 TABLES) etc. schema_name. The ALTER TABLE B. Just try to insert some records into a table and these ones do not exist in the other tables. I need to load the target schema with the exported data from the different schemas for a selected list of tables in each schema. I want that i create one entity and store data in different table by dynamically changing table name. why does it requires schema name before table name? if the table is not in same schema with your current user (connected user) you need to prefix schema name in order to access table. The statements within a CREATE SCHEMA statement can reference existing objects or objects Because tables and sequences are in the same namespace, a table and a sequence in the same schema cannot have the same name. In theory, you could not mention this and still get on the correct database (if there is only 1 database), but in context of database connection, all parameters need to be explicitally given. t1 as select * from schema1. Since, you have clearly mentioned schema in your question body. But why then can I create two different tables with the same partition name? SQL> create table t1( a number, b date) 2 partition by range (b) 3 ( 4 partition part1 values less than (date '2020-01-01') 5 ); Table created. Do not confuse between a DATABASE and a SCHEMA. CREATE PUBLIC DATABASE LINK PROD CONNECT TO <user_name> IDENTIFIED BY <password> USING '<service_name>'; Both my source and target tables are in the same physical Oracle database (different schemas). The only option is to import into a table of the same name (although you could change the schema which owns the table. don't care if they are the same structure or not - irrelevant to the discussion. dmp Grant SELECT on all the clone tables to login_by. dmj athdqv chem zjyrv svgk khzd ovjdnxxwi wioyw anowdzv kzg