oracle 12c new features

(2, Seq_session.nextval); SQL>Select* fromSCOTT.GTT; ID Seq_number---------- ----------1 3 2 4SQL>Continue the test.--end of session, sequence value will be resetSql>conn tiger/Tigersql>drop synonym GTT; SQL>drop synonym seq_session; SQL>create synonym GTT forSCOTT.GTT; SQL>create synonym Seq_session forscott.seq_session; SQL>Select* fromgtt;no rows Selectedsql>sql> INSERT INTO GTT values (1, Seq_session.nextval); sql> INSERT into GTT values (2, Seq_session.nextval);-I

The new feature of Oracle 12c paging query is expected in the upcoming oracle 12c release. This is the optimization of paging query. There are many paging query functions in the application. Previously we used rownum for this purpose.For example, to query 1-10 records, the q

Prior to the Oracle 12c version, the VARCHAR2 and NVARCHAR2 data types had a maximum length of 4000, with the extended maximum of 12c versions supported to 32767, or 32KB, and parameter Max_string_ The size is the maximum length of the extended data type that controls the extended datatype: Standard: Represents the length limit before

table is automatically added to thein-memory Area, compression and other genera.Optimizer_inmemory_awareSaidOptimizerWhether theinmemorySupport. Inmemory_sizeis a static parameter, the change requires that the instance be restarted to take effect. provided to in memory is used from SGA is allocated in the space, dividing a single area of memory to im-memeory function using . Called in-memory area , in-memory the larger the memory area, the better, so that more data is stored in memory, in-

to ASM: sql > ALTER DATABASE MOVE datafile '/u00/data/users_01.dbf ' to ' +dg_data '; migrating data files from one ASM disk group to another ASM disk group : SQL> ALTER DATABASE MOVE DataFile ' +dg_data/dbname/datafile/users_01.dbf ' to ' +dg_data_02 '; overwrites the data file with the same name if it already exists in the new path: SQL> ALTER DATABASE MOVE DataFile '/u00/data/users_01.dbf ' to '/u00/data_new/users_01.dbf ' r

This is an Oracle small white unbearable torture, struggling to make, the cost of painstaking efforts.Differences between ORACLE12C and 11g versionsA problem was encountered while creating the user (my findings are based on the problems encountered):Problem Description:Prompt for ORA-65096 when creating the required user for the service: the public user name or role is invalid.Cause of the problem:According to Oracle's official documentation, the

platform called Goldengate STUDIO, a graphical interface that helps to quickly configure and deploy Ogg. Use mouse clicks and drag to implement Ogg deployment without worrying about the underlying details. The idea of OGG Studio is that first there will be a project, and then there are multiple solutions, each of which includes multiple logical designs and multiple physical deployments. Ogg Studio already has multiple out-of-the-box scenario templates, such as cascading, bidirectional, unidirec

Oracle new features 4-maintenance, upgrade, recovery and data pump, and oracle New Features 1. Contents 1) enhanced table partition maintenance. 2) Database Upgrade and improvement. 3) Restore/restore data files across networks. 4

Prerequisite: The Oracle 12c database is installed, there is already a DB instance XE, login user/password: system/oralceI'm using a Docker-installed instance of Oracle 12c:8080:80801521:1521 -v/home/Specific reference https://hub.docker.com/r/sath89/oracle-

Atitit. Oracle 9 10 11 12 new features attilax summary, oracle12c New Features New Features of atitit. Oracle 9 10 11 12 1.

Label:Oracle DB 12c new feature: Raw device is no longer supported. Reference from:Announcement of De-support of using RAW devices in Oracle Database Version 12.1 (Doc ID 578455.1) Details:De-support of RawThe directory for this article is a notification that the raw device is no longer supported in the Oracle Database

//issuing CREATE PLU Ggable DATABASE statement, or specify//File_name_convert clause as a part of the statement. If no db_create_file_ is specified The Dest parameter requires you to manually specify File_name_convert when you create pluggable database, for example: sql> Create pluggable Database yb1 Admin user yb1 ident Ified by Yb1 file_name_convert= ('/u12/app/oracle/oradata/ora12/pdbseed/', '/u12/app/oracle