ORACLE Stored Procedure instance [memorandum], oracle Stored Procedure Statistical report: the number of user logins (platform clicks) at the beginning of each month. The scheduled tasks count the number of logins, number of Logon accounts, and
Connect time out occurs in mongodb on the java linked server. mongodbconnect Exception Information December 22 5:27:58 PM com. mongodb. DBTCPConnector initDirectConnectionWarning Exception executing isMaster command on/192.168.1.249: 10003Java. io.
How to Use RMAN Incremental backup to restore data guard log gap (log disconnection), rmangapThe minimum scn information of the master database:SQL> col current_scn for 999999999999999SQL> SELECT CURRENT_SCN FROM V $ DATABASE; Select min (fhscn)
Redis study notes, redis Getting Started GuideI. Data structures:1. String: key-> value(1) Add: set key value/setnx key value (0 is returned if no value exists)/setex key time value (ADD and set the effective time) /setrange key index value (replace
Unable to start MySQL service. Another MySQL daemon is already running with the same UNIX socket, unablemysqlUnable to start MySQL service. Another MySQL daemon is already running with the same UNIX socket Features If you encounter any of the
[Oracle] implements ledba16 The redo log file shoshould belong to an inactive group., oracleinactive Because of hardware failure, you decided to drop a redo log memb Er from the database. Which condition shocould be met to drop a redo log file? A.
"TNS-03505: unable to resolve the name" Problem Solution case, tns-03505 case 1. Problem A developer adds an ORACLE client in a windows environment and configures "tnsnames. ora, prepare to connect to the ORACLE database Linux environment, with
SQL vertical table to horizontal table, SQL vertical table Converts a vertical table to a horizontal table in the database. Database vertical table data The SQL statement is as follows: Select cardid, max (case t. projectcode when 'ia-002'
Restoring the database backup in a backup set that fails on the server is different from that of an existing database.Restoring the database backup in the failed backup set on the Server is different from the existing database. Today, a database
SQL statement + select top usage of "Fetch 10th to 20th records from a data table", 10th SQL statements 1. First, select top usage: For more information, see the differences between select top n * from and select * from. Select * from table --
Oracle-numtodsinterval & numtoyminterval, instrument Select sysdate now, sysdate + numtodsinterval (1, 'second') add1second, sysdate + numtodsinterval (1, 'minute ') add1minute, sysdate + numtodsinterval (1, 'hour') add1hour, sysdate +
Oracle 10g standby database real-time application of redo data, standbyredo------- Physical standby database:Standby redo log needs to be configured for real-time apply;When real-time applications are enabled, log application service directly
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[Oracle] export ledba15 To uniquely identify the archived log files for each incarnation of the databas, oracleincarnation You are using Oracle Database 10g. The log LOG_ARCHIVE_FORMAT pa Rameter is set to 'Log % t _ % _ s _ % r. dbf '. Why is % r
Practice: oracle timesten 22.214.171.124.0 on centos 6.5, timestencentos Entry level, but the steps are more detailed, there is no theory, can be used as an entry manual. **************************************** * ******************************** 1.
Full backup recovery based on Innobackupex, innobackupex For Hot Standby MySQL databases, xtrabackup is the choice of most DBA friends. Xtrabackup is embedded with an innobackupex for Hot Standby MySQL database. This article describes the full
Explore Oracle Database Upgrade 7 11gR2 to 12c after the upgrade is complete, insert PDB, 11gr2pdb Explore Oracle Database Upgrade 7Insert PDB after 11gR2 to 12c upgrade is complete Preface: Since Oracle 12c, the concept of container database has
[Oracle] export ledba11 drop the lost member from the database and then add a new mem ber to the group, oracledatabase In your database, online redo log files are multiplexed and one of Members in a group is lost due to media failure? How wocould
[Oracle] When ledba12 When a new log group is added, it wocould have one member in each disk group., Too ledba12added You are using an Automatic Storage Management (ASM) instance to m Anage the files of your production database. You have two disk
Implement the sign-in Function Based on Redis bitmap and redisbitmap Author: zhanhailiang Date:Scenario Bitmap is very effective for some specific types of computing. Assume that we want to record the frequency of online users on our website, for