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Use windbg to observe the PAE-enabled paging Mechanism I introduced the paging mechanism of the CPU in section 2.7 of software debugging, because this is the supporting content of this book. Considering the length constraints, I did not discuss how

Welcome to the Oracle community forum and interact with 2 million technical staff to access the binding variables before 1.11g. We all know that in order to allow SQL statements to share the execution plan, oracle always emphasizes that when

View instance number, name and log mode:SYS as [email protected]>select dbid,name,log_mode from V$database;DBID NAME Log_mode---------- --------- ------------1391294860 ORCL ARCHIVELOG1 row selected.RMAN:Login:[[email protected] ~]$ RmanRman>

When two tables are joined, if the data row in table 1 appears in the result set and needs to be judged by at least one matching row of data appearing in table 2, in this case, a semi join occurs, and the inverse join is a partially joined

Statistical information is very useful. Without it, the SQL optimizer is like a clever man! A good and efficient SQL Execution Plan depends on real statistics. However, in some cases, for example, to compare the execution plans of the production

Overview Adaptive Connection Method Ajm AJM Example Process flow of AJM Adaptive parallel allocation Method APDM APDM Example Process flow of APDM About allocation methods

RPM-IVH http://download.fedoraproject.org/pub/epel/6/i386/epel-release-6-7.noarch.rpmRPM-IVH http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpmRPM--import/etc/pki/rpm-gpg/rpm-gpg-key-epel-6Yum Install RlwrapSu-oracleecho

Exporting data using a data pump1. Connect to Oracle DatabaseSql> Conn/as SYSDBAis connected.2. Create an Operation directorySql> Create directory Dump_dir as ' E:\dump ';Note You will also need to create this physical directory on your hard disk

-- Source Database Configuration [Oracle @ db12c ~] $ Sqlplus/as sysdbaSQL * Plus: Release 12.1.0.1.0 Production on Tue Apr 8 14:24:15 2014Copyright (c) 1982,201 3, Oracle. All rights reserved.Connected:Oracle Database 12c Enterprise Edition Release

In oracle, the default index type is B-tree index. Bitmap indexes, reverse key indexes, hash indexes, and function-based indexes. This article mainly introduces the B-tree index through dump analysis. For the index scan type, the basic operations of