Use cursor to convert the format of specified fields in the data table in Oracle (pinyin to numbers)

Use cursor to convert the format of specified fields in the data table in Oracle (pinyin to numbers) Application Scenario: Convert [sannanyinv] In the NNDP field of the Oracle Data Table TB_USER to [3 male and 1 female] Main Script: A cursor script +

Case Study of Oracle Study-view the "strange phenomenon" of shared memory through IPCS"

Case Study of Oracle Study-view the "strange phenomenon" of shared memory through IPCS" In the Oracle 11gR2 environment, using the ipcs command to view the shared memory, we found that the memory allocated to Oracle is only 4096 Bytes, and this

Oracle 10g quick manual database creation procedure

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Solution for RMAN-00600 [13200]

Solution for RMAN-00600 [13200] On dataguard, use rman to connect to the catalog Database for backup. When backing up, The rman log reports the following error:Starting backup at 2014/04/23-10:02:02 Archived

MySQL transactions and lock mechanisms

MySQL transactions and lock mechanisms The characteristic ACID of a transaction, that is, atomicity, consistency, isolation, and durability. Atomicity ensures that a transaction is a minimum unit, which is inseparable from each other; Consistency

Oracle 11gR2 ASM single instance installation steps

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Oracle Study case -- rebuilding Database Control Files

Oracle Study case -- rebuilding Database Control Files System Environment: Operating System: Linux RH6 Database: Oracle 11gR2 Case Analysis: All control files in the Oracle database are accidentally damaged. Non-archive databases rebuild control

MySQL engine introduction ISAM, MyISAM, HEAP, InnoDB

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Unreasonable setting of MAXPIECESIZE and FORMAT causes RMAN backup failure

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Oracle Optimization Based on Solaris or Linux

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When installing 64-bit Oracle 10 Gb in Oracle Linux, The ins_ctx.mk problem occurs.

When installing 64-bit Oracle 10 Gb in Oracle Linux, The ins_ctx.mk problem occurs. When 64-bit Oracle 10g is installed on Oracle Linux Server Release 5.7, the following problems are encountered: Error in invoking target 'install' of makefile'/u01/

MySQL transaction processing and lock mechanism

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Data room charging system-storage process and charging system storage process

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Install MySQL5.6.22 in CentOS-7, centos install mysql5.6

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Comparison of Not In non-equal signs. It is better to use exits instead of in.

Comparison of Not In non-equal signs. It is better to use exits instead of in. Not in will be converted into a series of and during parsing <> Case 1 SELECT @results = count(filterCriterion_sv) FROM tbl_IN_VS_AND WHERE filterCriterion_sv NOT IN (214,

Deployment and use of the NoSql database Redis in ubuntu, nosqlredis

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Restoration Method for 10g Clusterware Votedisk corruption, clusterware

Restoration Method for 10g Clusterware Votedisk corruption, clusterwareVotedisk is very important for RAC (10g Clusterware, 11g GI). We call it an arbitration disk, when a node in the RAC cluster fails and the network is disconnected, it determines

Warning: mysql_connect (): Access denied for user & #39; root & #39; @ & #39; localhost & #39; (using password: YES ),

Warning: mysql_connect (): Access denied for user 'root' @ 'localhost' (using password: YES ), Http://www.androidren.com/index.php? Qa = 211 & qa_1 = warning-mysql_connect-access-denied-root % 40-localhost-password The code may be written as

Record an Oracle 10g data recovery event, oracle10 g

Record an Oracle 10g data recovery event, oracle10 g Facts have proved that I will not die if I don't die. This Oracle crash took me two days, just because I installed some inexplicable Android simulators and uninstalled them again. After

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