Database Administrator

1. Save the excel file as. csv. 2. Use Notepad to open the. csv file. The first line is all fields. 3. Create a table structure Create table yu_rt_01 asselect Transaction_Id, Last_Update_Date, Last_Updated_By, Creation_Date, Created_By,

When using srvctl to create a service, note that the TAF policy option must be configured through the dbms_service package. The following example demonstrates how to create a service felix_ora:1. view the existing service of the system before the

Click Start to view netManager. Click the monitoring program on the panel. By default, only address 1 is marked with localhost. Create an address, enter the local IP address, and restart the listening program. △△△* △△ = △△△△ Multiply a 3-digit

MONGODB Data ArchitectureUpgrade SolutionProblem DiscoveryThe number of users that application servers suddenly flood into, resulting in slow server responseCheck the server and find that the response speed is extremely slow, which is 30ops.Check

The syntax of Merge is as follows: MERGE [hint] INTO [schema .] table [t_alias] USING [schema .] { table | view | subquery } [t_alias] ON ( condition ) WHEN MATCHED THEN merge_update_clause WHEN NOT MATCHED THEN merge_insert_clause;What is MERGE

When the control file is lost in Oracle, sometimes we can only recreate the control file. The specific syntax is as follows: Create controlfile reuse database "SQUAN" NORESETLOGS ARCHIVELOGMAXLOGFILES 16MAXLOGMEMBERS 3MAXDATAFILES 100MAXINSTANCES 8#

The following error occurs when rman backs up archivelog: RMAN> backup archivelog all delete input; Starting backup at 14-APR-14 Current log archived Using channel ORA_DISK_1 Using channel ORA_DISK_2 RMAN-00571: ======================================

I found that Oracle's service and listener services started normally today, but the sqlplus logon prompt is as follows: ERROR: A ORA-01034: ORACLE not available ORA-27101: shared memory realm does notexist Most of the solutions to this problem

The volume installation package specified by Oracle 11gR2 is 10.2, but it is not actually usable. It downloads the 11.1 package, but it still encounters several errors and is modified back and forth ...... If the installation fails and you need to

Class op_log (models. Model ): Op_date = models. DateTimeField (auto_now = True) Op_log = models. CharField (max_length = 2000) Class op_log1 (models. Model ): Op_date = models. DateTimeField (auto_now_add = True) Op_log = models. CharField

When logging on to the Oracle Management Server according to the document, the first login is successful. If you log on again after shutdown, the following error may occur: domain name resolution error or login denied error. The error is because the

Symptom: Oracle GridInfrastructure 11gR2 is installed on a single instance database for creating ASM for the standby database. However, the Create asm gui is displayed after you log on to the grid user to execute the ASMCA command, an error occurs

Determine the data file, log file, and tempfile information of the original database. Select group #, status, type, member from v $ logfile;Col name format a65Select file #, name, bytes/1024/1024 MB from v $ datafile;Select name from v $ controlfile;

-- Test environment:OS: RedHat linux (64)Primary:IP: 192.168.94.198SID: dgdb1Hostname: dg1DB_UNIQUE_NAME: dgdb1Database: 10.2.0.1 (64)Standby:IP: 192.168.94.199SID: dgdb1Hostname: dg2DB_UNIQUE_NAME: dgdb1_sDatabase: 10.2.0.1 (64)  -- Preparations

Error message in ALERT Log: Mon Jan 20 15:03:22 2014Incremental checkpoint up to RBA [0x442f. abd.0], current log tail at RBA [0x442f. 338a. 0]Mon Jan 20 15:08:13 2014Errors in

The following error is reported: Mon Mar 31 18:45:59 2014Errors in file/Oracle/app/oracle/diag/rdbms/zscims/zscims2/trace/zscims2_ora_11403518.trc (incident = 28382 ):ORA-00600: Internal error code, parameter: [kqlnrc_1], [0x7000003F55C3B60], [], [],

I. Description I recently came into contact with the mysql database, so I am free to study it. Today I will demonstrate how to install mysql with the source code. If I use the rpm package for installation, I personally feel quite simple. MySQL

Verify the validity of RMAN backup 1. restore preview commandThis command is used to check which backup set is used for restoration to perform specific restoration.Restore database preview;2. Use the restore command of the validate and check

Full recovery: only the corrupted data file is restored, and the file is restored independently. The log Sequence starting from the backup to the current log sequence cannot be reduced. Passive Incomplete recovery: one or more log sequences

Generally, DBA and SA must maintain a correspondence between the OS disk and the disk in the Oracle database ASM Group when managing the disk.If SA is uncertain or DBA cannot be found, use the following method to find the corresponding relationship.