在Oracle Database 19c之前,如果您需要跨分片的唯一编号,则必须自己管理它。在19c中,Oracle Sharding允许您为具有唯一约束的非主键列的分片生成全局唯一的序列号,或者使用Sequence对象的任何其他用法,该对象在逻辑上应该是全局生成的分片数据库的所有分片中的一个对象唯一值,它由分片数据库处理。 当customer_id是分片...
https://docs.oracle.com/en/middleware/goldengate/core/19.1/oracle-db/configuring-oracle-goldengate-multitenant-container-database-1.html#GUID-26AFC906-E67D-448E-93EC-FE2A54679793 --//添加SOURCECATALOG参数之后,再次启动 GGSCI (dm01) 20> view params exint extract exint setenv (ORACLE_SID = ...
alter tablespace 表空间名称 add datafile 表空间存放路径 size 表空间大小 autoextend on next 增长的大小 maxsize 空间最大值(如果不限制空间最大值就用unlimited) 例如: alter tablespace vgsm add datafile 'c:\oracle\product\10.2.0\oradata\vgsm\vgsm_01.dbf' size 1024M autoextend on next 50M maxsi...
c date ) tablespace users; 如果在创建用户时没有指定默认表空间,系统默认表空间为System,在创建表时必须指定tablespace;28.如何查询一个表空间下的所有表(单引号里面的要大写)selecttable_namefromuser_tableswheretablespace_name='表空间名';29.更改计算机名后会出现Oracle ORA-12541:TNS:no listener错误解决方法 ...
create table test.t1 ( id number, name varchar2(32), description varchar2(128), cdate timestamp, constraint pk_t1 primary key(id) using index )tablespace tuser_tbs; create sequence test.t1_seq increment by 1 start with 1 nomaxvalue nocycle cache 1000; 抽取oracle数据库 表test.t1tran...
/ as sysdba create tabletest.t2 ( id number, name varchar2(32), description varchar2(128), cdate timestamp, constraint pk_t2 primary key(id) using index )tablespace test_tbs; --通过匿名pl/sql过程批量生产200万数据 declare batchCnt pls_integer := 1000; onceCnt pls_integer :=2000; ...
CREATE TRIGGER REP_BUSI_FOLLOW_UP_INFO BEFORE INSERT OR UPDATE ON XXXXX.BUSI_FOLLOW_UP_INFO FOR EACH ROW EXECUTE PROCEDURE XXXXX.TRIG_FCT_REP_BUSI_FOLLOW_UP_INFO(); error code: 42601 msg:syntax error at or near "IS"" function=doTask line=558 file="mtk/pkg/mtk/mtk_task.go" taskID=...
Of course, another way to create a Non-Unique Index when defining a PK constraint is to simply create the specific index at the same time as the PK constraint. You can get pretty tricky with the create table syntax these days. For example: SQL> alter table bowie drop primary key; Table...
Oracle Database 19c introduces behavior changes for your database in addition to new features. Changes in behavior include deprecated and desupported initialization parameters, options, syntax, and the deprecation and desupport of features and components. For more information, see the Oracle Database...
Table 3–1 LOBs' Eight Programmatic Environments Precompiler or Language Interface Program Syntax Reference In This Chapter See... PL/SQL DBMS_LOB Package Oracle9i Supplied PL/SQL Packages Reference C Oracle Call Oracle Call Interface Programmer's Guide Interface for C (OCI) C++ Oracle Call ...