HSUB:[1]Block dump from disk:buffer tsn:8rdba:0x01c00083(7/131)scn:0x0000.00752951seq:0x01flg:0x06tail:0x29510601frmt:0x02chkval:0x4235type:0x06=trans data Hex dumpofblock:st=0,typ_found=1Dumpofmemory from0x0000000110ADCC00to0x0000000110ADEC00110ADCC00 06A20000 01C000830075295100000106[....
Ø 修改语法:ALTER TABLE 表名称 MODIFY(列名1 类型 [DEFAULT 默认值],列名1 类型 [DEFAULT 默认值]...) Ø 修改列名: ALTER TABLE 表名称 RENAME COLUMN 列名1 TO 列名2 范例:在person表中增加列address alter table person add(address varchar2(10)); 范例:把person表的address列的长度修改成20长度 ...
使用cache或许会跳号, 比如数据库突然不正常down掉(shutdown abort),cache中的sequence就会丢失. 所以可以在create sequence的时候用nocache防止这种情况。 2、Alter Sequence 你或者是该sequence的owner,或者有ALTER ANY SEQUENCE 权限才能改动sequence. 可以alter除start至以外的所有sequence参数.如果想要改变start值,必须...
(1) FROM DBA_SEQUENCES J WHERE J.SEQUENCE_OWNER = A.USERNAME ) "序列数量", ( SELECT COUNT(DISTINCT L.NAME) FROM DBA_SOURCE L WHERE L.OWNER = A.USERNAME AND L.TYPE = 'PROCEDURE' ) "存储过程数量", ( SELECT COUNT(1) FROM DBA_DB_LINKS M WHERE M.OWNER = A.USERNAME ) "DBLINK...
sequencestyleVARCHAR2(50), memoVARCHAR2(60) );--Add comments to the columnscommentoncolumnS_AUTOCODE.pk1is'主键'; commentoncolumnS_AUTOCODE.atypeis'序列号类型'; commentoncolumnS_AUTOCODE.owneris'序列号所有者'; commentoncolumnS_AUTOCODE.initcycleis'序列号递增'; ...
select * from user_sequences; 查看视图的名称 --select view_name from user_views; 查看创建视图的select语句 select view_name,text_length from user_views; set long 2000; 说明:可以根据视图的text_length值设定set long 的大小 select text from user_views where view_name=upper('&view_name'); ...
ORA-17159 metric value for end-to-end tracing is too long 要执行端对端跟踪的度量值太长。 ORA-17160 execution context id sequence number out of range 执行上下文 ID 序列号超出范围。 ORA-17161 Invalid transaction mode used 使用的交易模式无效。 ORA-17162 Unsupported holdability value 不支持的 hold...
# 检查日志归档是否开启 SQL> archive log list; Database log mode Archive Mode Automatic archival Enabled Archive destination USE_DB_RECOVERY_FILE_DEST Oldest online log sequence 1 Next log sequence to archive 1 Current log sequence 1 # 启用补充日志记录 SQL> ALTER DATABASE ADD SUPPLEMENTAL LOG ...
Materialized views in the source Oracle database will be converted into common tables after being synchronized to the destination database. The destination DB instance must have sufficient storage space. Do not use foreign keys for tables during synchronization. Otherwise, the sequence of writing data...
If a task is abnormal due to DDL synchronization in other cases, you need to manually execute the DDL operations in the destination database. Table-level synchronization supports alter table add column, alter table drop column, alter table rename column, alter table modify column, and truncate...