what is oracle soa suite 12c

Tags: archiveOur Oracle database defaults to non-archive mode, and if there are three redo log groups, when all three log groups are fully filled, the first log group will start looping, and the contents of the first log group will be completely overwritten, so if the database crashes and you want to recover the data that was earlier, That's a pit.What to do?You ask me, I tell you. Switching the database log mode to archive mode

Index indexes are generally divided into two types: 1) b-tree (balance-tree), typically used for OLTP (online transaction processing) 2) bitmap, generally used in OLAP (online analysis processing) The following example is used to learn the structure of index: 1. First set up a test table, the index on the test table Sql> CREATE TABLE Test_index as SELECT * from Dba_objects; Table created. Sql> CREATE index T_idx on Test_index (object_id); Index crea

Now explain what "high water level" is: Logical storage structure of Oracle: Tablespace--> segment--> Area--> block Block: is the smallest storage unit, now the standard block size is 8k,oracle every I/O operation

What is the difference between Oracle functions and stored procedures1. The difference between the return value, the function has 1 return values, and the stored procedure is returned by the parameter, can have more or No 2. The difference between the calls, the function can be called directly in the query statement, T

been performed. 6, Master table reorganization. 7, materialized view registration failed at the master site. 8. Incorrect conversion of a materialized view log from ROWID to primary key. 9. Manual deletion of sys.slog$ entry for the materialized view. Third, the solution 1. Full volume refresh materialized view exec Dbms_mview.refresh (' SCOTT. User_table ', ' C '); exec Dbms_mview.refresh (' SCOTT. User_table '); 2. Adjust the content of fast and comfortable log SELECT * FROM sys.slog$SELECT

Label:What is the acronym for Oracle's TNS?Transparent Network substrate (transparent net bottom, that is, regardless of the underlying network layer with what protocol for the upper layer of application is transparent, that is,The application layer on the upper level does n