teradata rdbms

Original Blog link address: Database open error ora-01555:snapshot too oldToday in Dongguan on the honeymoon, a student said he managed the test library problems, can not open, we first to see what the problem: Recovery of Online Redo log:thread 1 Group 4 Seq 4 Reading mem 0 mem# 0:/onlinelog/shr/redo04.logcompleted Redo applica tion of 0.00MBCompleted crash recovery at Thread 1:logseq 4, block 3, SCN 7755957 0 data blocks read, 0 data blocks Writt En, 0 redo k-bytes readthread 1 ad

A friend came to me and said they couldn't start the database, the database started Ora-600[k2vcbk_2] Error, the database version is 11.2.0.2 RAC, the operating system is AIX 6.1sql> Recover database;Media recovery complete.sql> ALTER DATABASE open;ALTER DATABASE Open*ERROR at line 1:Ora-01092:oracle instance terminated. Disconnection forcedOra-00600:internal error code, arguments: [K2vcbk_2], [], [], [], [], [], [],[], [], [], [], []Process id:7930020Session id:49 Serial number:14761Database no

1. Generate a single-instance AWR report:@ $ORACLE _home/rdbms/admin/awrrpt.sql2. Generate the Oracle RAC AWR report:@ $ORACLE _home/rdbms/admin/awrgrpt.sql3. Generate an AWR report for a specific DB instance in the RAC environment:@ $ORACLE _home/rdbms/admin/awrrpti.sql4. How to generate AWR reports for multiple DB instances in an Oracle RAC environment:@ $ORACL

Tostandby (description= (address= (protocol=tcp) (HOST=WEBDB2) (port= 1521)) (Connect_data= (SERVICE_NAME=WEBDB2) (server=dedicated))) '. Error is 604.2014-10-23 Error 604 received logging on to the standby2014-10-23 Ping[arc2]: Heartbeat failed to connect to standby ' (description= (address= (protocol=tcp) (HOST=WEBDB2) port= 1521)) (Connect_data= (SERVICE_NAME=WEBDB2) (server=dedicated))) '. Error is 604.--View log at this timeMain Library log:ORA-00604: A recursive SQL Level 1 error occurred

can query out the table space usage, if you find that the tablespace capacity is insufficient, view the location of the data file file and the file numberView Data File LocationsSelect file#, name from V$datafile;--3 There are two ways to modify the tablespace sizeModify data File SizeALTER DATABASE datafile '/USR/ORACLE/APP/ORADATA/ORCL/TEST.DBF ' resize 20480M; The modified size is greater than the actual size of at least 50%, preferably one more thanAdd data filesAlter tablespace XXX add dat

After learning about the advantages of the open-source RDBMS Relational Database Management System, you have installed the MySQL database to provide registration, subscription, and e-commerce services for Web applications. Database reliability alone is far from enough to meet your business needs After learning about the advantages of the open-source RDBMS Relational Database Management System, you have inst

Oracle 11G Single Instance uses asm, and test the migration of data files to other disk groups 1. configure/etc/hosts network vi/etc/hosts192.168.1.181 asm asm.oracle.com 1. disable FIREWALL 2. disable SElinux vi/etc/selinux/config => SELINUX = disabled 2. create a user and group groupadd-g 5000 asmadmingroupadd-g 5001 asmdbagroupadd-g 5002 asmopergroupadd-g 6000 oinstallgroupadd-g 6001 dbagroupadd-g 6002 login useradd-g oinstall-G asmadmin, asmdba, asmoper grid useradd-g oinstall-G dba, Asmdba

What is Hbase? Before talking about Hase, let's take a look at two concepts: Row-oriented storage and column-oriented storage. For row-oriented storage, I believe everyone should know that the RDBMS we are familiar with is of this type. The Row-oriented storage database is mainly suitable for strict transaction requirements, or the row-oriented storage system is suitable for O What is Hbase? Before talking about Hase, let's take a look at two concepts

The customer has installed the 11.2.0.3 rac of the AIX6.1 platform for the customer. The SERVER side is okay. The customer's application is based on the ORACLE10g client. The platform is divided into two parts, one of which is LINUX, We have installed the ORACLE 6.1 version of RAC for the client. The SERVER side has no problem. The customer's application is based on the ORACLE 10g client. The client is divided into two platforms, one of which is LINUX, We have installed the Oracle 6.1 versi

. The High-redundancy disk group has five PST if there are enough failure groups. However, each failure group in the high-redundancy disk group has a PST. PST is the shadow page used to ensure that the active PST on the disk is always the same. PST spans multiple blocks in a timely manner. AU 1 meets the need to write two PST copies. One copy is an active copy, and other copies are used when PST is updated. Once PST is updated, the previous Shadow becomes an active PST, and another copy becomes

/oracle/product/11.1.0/db_1/log/diag/rdbms/orcl: **************************************** **********************************INCIDENT_ID PROBLEM_KEY CREATE_TIME ----------------------------------------------------------------------- 1681 ORA-600_dbgris01: 1, _ addr = 0xa9876541 17-JAN-07 09.17.44.843125... 1682 ORA-600_dbgris01: 12, _ addr = 0xa9876542 18-JAN-07 09.18.59.42.1675... 2 incident info records fetched 4. V $ DIAG_INFO View SQL> SELECT * FRO

There are multiple users in the ORACLE database. The following describes the installation and deletion methods of ORACLE default users for your reference. If you are interested in ORACLE default users, take a look. When the ORACLE database is created, a series of ORACLE default users and tablespaces are created. Their list is as follows:· SYS/CHANGE_ON_INSTALL or INTERNALSystem user, data dictionary owner, super permission owner (SYSDBA)Create Script :? /Rdb