Database Administrator

ORA-01591: lock held by in-doubt distributed transaction troubleshooting, ora-01591in-doubt Oracle errors occurred when running the batch data program yesterday: $ Tail-f INDB_ERROR_8.LOG[Time] 2014-12-01 04: 10: 31: activeAccountDeposit in oracle

SQL and SQL tutorials /* To create a foreign key in a new table */create table Sales. tempSalesReason (TempID int not null, Name nvarchar (50), CONSTRAINT PK_TempSales primary key nonclustered (TempID), CONSTRAINT FK_TempSales_SalesReason foreign

Use pt-heartbeat to monitor master-slave replication latency and pt-heartbeat master-slave MySQL master-slave replication is an important part of the MySQL high-availability architecture. It can be used to achieve load balancing, high availability

Common Redis commands-INFO, MONITOR, SLOWLOG, and redisslowlog Author: zhanhailiang Date: 2014-12-02 1. INFO The info command returns information about the server, including: Server: General information about the Redis server Clients: Client

Third-party systems access BIEE reports through IFrame, iframebieeReports developed by BIEE are often integrated with existing systems. iframe can usually be embedded into the system to be integrated. Here there are two ways to integrate:1. Using

The JDBC Insert statement is inserted into the Oracle database and the primary key of the returned data is jdbcoracle. Table Structure: create table test( id varchar2(32) primary key, name varchar2(32)); Import java. SQL. connection; import

Oracle profile query, oracleprofileDefinition of zookeeper configuration file SELECT profile_option_name configuration file name, user_profile_option_name user configuration file name, description, hierarchy_type hierarchical structure type,

How can programmers not know what data mining is and how can programmers mine data? As you have heard or seen countless times of data mining, do you know what it is? Many scholars and experts have different definitions about what data mining is. The

Oracle Database accidental deletion recovery method, oracle Database accidental deletion 1. If you just accidentally delete some data or a piece of data, you can use 1. If select * from is deleted by mistake, it indicates the where query condition

SQL Running Total, sqlrunningtotal What does Running Total mean? Suppose we have a table: TRANS, indicating that we have some transaction records. One column is id, and the other is money (indicating the amount of the transaction design ), our

Oracle startup error ORA-00845: MEMORY_TARGET not supported on this system solution, memorytarget Oracle start error ORA-00845: MEMORY_TARGET not supported on this system Possible cause: the ORACLE MEMORY_TARGET parameter exceeds the memory of the

Memory in MySQL InnoDB architecture, mysqlinnodb First 1. Buffer PoolThe InnoDB Storage engine is based on disk storage and manages records on pages. The buffer pool is usually used to improve the overall performance of the database. The buffer

[MySQL Case] error while loading shared libraries: libperconaserverclient. s, tpcc -- tpcc_load [Error message] When testing the mysql official Community version, run the tpcc_load script to prompt that the libperconaserverclient. so.18 library

MySQL Double Write, mysqldoubleWhen the Double Write feature is not available   After the data is updated, the dirty page is placed in the innodb buffer cache. The checksum value of the page changes. In the header of the page, the fileheader

SQL Date Processing and conversion, SQL date processing conversion DECLARE @ dt datetime SET @ dt = GETDATE () DECLARE @ number int SET @ number = 3 -- 1. specify the first or last day of the year --. select convert (char (5), @ dt, 120) + '1-1' --

Clean up junk tables for oracle 10G and oracle10 G An Oracle O & M experience that I learned and worked on is a pitfall step by step. Cause: a set of systems that have been running for five years have been slow to be reflected by customers in the

[MySQL Case] tpcc test -- run tpcc_start to report Segmentation fault and segmentationfault Original article URL:Http://blog.csdn.net/jason_asia/article/details/41543947 [Error message] An error occurs during the tpcc_start test: Tpcc_test.sh:

Oracle 11g Data Guard Broker operation notes, 11 gbroker Reprinted please indicate the source: http://blog.csdn.net/guoyjoe/article/details/41548669 I. Settings   1. Set brokerSet to true on both the master and slave databases.SQL> alter system set

Oracle rman archive deletion policy, oraclermanRMAN> show all;Configure archivelog deletion policy to none; By default, the archive deletion policy is not configured in oracle10g 11g; In this case, how does one Delete archive logs that have not been

Message 1070 not found; No message file for product = network, facility = TNSTNSLSNR for Linux: Version, facilitytnstnslsnr A friend called me for help. When installing the oracle11g stand-alone edition, the following error message is displayed: