Shell to export each mysql stored procedure as a single file, # Shell implementation: export the Stored Procedure Code in mysql as the file dbcn = "mysql-h172.16.1.194-uroot-p123456"; db = BCReport_Sync_Executor; ii = 0; ct = '$ dbcn-N-e "select
Resolution ORA-28000: the account is locked, ora-28000locked In oracle, if the account fails to log on for ten consecutive attempts, the account will be locked ). When you log on with a locked account, the system reports an error: ORA-28000: the
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Install mysql in yum or mysqllinuxyum on linux Mysql installation is nothing more than the following. yum installation is also a type of rpm installation, but this installation package does not need to be downloaded separately. It is relatively
SQL exists, in, sqlexistsinTips:1. When the External table is a large table and the inner table is a small table, use exist2. When the External table is a small table and the internal table is a large table, the inExample: The External table is
MySQL Full Join implementation, mysqljoin MySQL Full Join is implemented because MySQL does not support full join. The following is an alternative method: left join + union (deduplication is allowed) + right joinselect * from A left join B on. id =
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MYSQL adds remote users or allows remote access.Add the remote user admin password as password grant all privileges on *. * TO admin @ localhost identified by \ 'password \ 'with grant option grant all privileges on *. * TO admin @ \ "% \"
Logon database Tiger causes the slave uard to be not synchronized. tigerdataguard When the slave uard upgrades the CPU, it finds that the master and slave databases cannot be synchronized and the log reports an error. Therefore, the script "@
Redis source code analysis (17) --- multi transaction operation, redismulti As a non-relational database, redis has the same transaction operations with RDBMS, which surprised me. A dedicated file in redis is used to perform transaction-related
Oracle job, oracleEnable the specified job:BEGINDbms_auto_task_admin.enable (Client_name => 'SQL tuning advisor ',Peration => NULL,Window_name => 'Monday _ window ');END;/How to Create a job in oracle Replace the following stored procedure name with
SQL Execution time, SQL Execution Enable SQL Execution time statisticsSet timing on; Check whether SQL statements with long execution time exist.Select a. sid, B. SQL _textFrom v $ session a, v $ sqlarea BWhere a. SQL _hash_value = B.
Install Oracle12cR1 on Oracle Linux 6.5 in VirtualBox, oraclevirtualbox My Oralce Linux 6.5 is running on VirtualBox. Basic settings is 4G memory, 50G hard-disk, auto partition when install OL6.5. ** Following series of operations need root
Rman and rman backup Rman target/nocatalog The list command is used to LIST the backup information of data.1. List backup sets of data filesList backupset of datafile 'data file name'2. List the tablespace backup informationList backup of tablespace
MongoDB operation manual CRUD Delete remove, mongodbcrudDelete record overview in MongoDB, the db. collection. remove () method is used to delete records in the set. You can delete all records, delete all qualified records, or delete only one record.
[MongoDB] set up a Mongo Master/slave database for synchronization in windows, mongodbmongo In the previous series of articles, we talked about the basic operations, advanced queries, and index usage of mongodb. This blog mainly describes how to
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Oracle fine-grained audit and oracle fine-grained AuditTake the scott user's emp table as an Example ---- Add a policyBeginDBMS_FGA.ADD_POLICY (Object_schema => 'Scott ',Object_name => 'emp ',Policy_name => 'mydomainy1 ',Handler_schema =>
Use bbed (BBED-00200: invalid keyword (file), bbedbbed-00200[Oracle @ ogg1 lib] $ cat filelist.txt
A swap bug in the AIX6.1/184.108.40.206 database, aix220.127.116.11.3Yesterday, I went to a customer in Nanjing to optimize the new business database. I checked alert. when a log is found in the past period of time, the following content is reported every