About Oracle ASM instances
About Oracle ASM disk groups
About grouping and failure groups
About Oracle ASM Disks
About Oracle ASM files
About Oracle ASM instances
The Oracle ASM instance is built based on the same technology as the Oracle
Oracle SQL Performance Optimization:
1. select an appropriate Oracle optimizerThere are three optimizer types in Oracle
A. Rule (Rule-based) B. Cost (cost-based) C. Choose (selectivity)
Set the default optimizer. You can declare the optimizer_mode
I. Oracle case
1. Oracle instancesSystem global area (SGA) and background process are used as database instances.
2. Oracle DatabaseA collection of physical files (data files, control files, online logs, parameter files, etc)
3. system global area
Combined arrays are previously called PLSQL tables. Union arrays cannot be used in tables. They can only be used as structures for programming. Union Arrays can only be accessed in PLSQL
A union array is previously called a PL/SQL table. Union
Reference: http://www.zhetao.com/content240In real-world development applications, about Oracle databases, it is often heard that a database is created, a instance is created, and a instance is started.Actually ask them what is the database, what is
Operating system: RHEL5.8 x64Database: Oracle 10.2.0.5.0Failure Condition:A single-machine dawning PC server 4 300G SAS disk, RAID5 bad two disk (server panel no fault prompt, no one found), causing RAID5 disk array hangs, operating system when the
Today, a friend from a project team asked: how to call the stored procedure of Oracle in. NET and input it as an array.
Oracle's PL/SQL statements are very powerful. They support fixed-length arrays and variable-length arrays, and support any custom
Java array, java Array
Array Overview:
1. Arrays can be seen as a combination of multiple data types for unified management of these data.
2. array variables belong to the reference type. Arrays can also be considered objects. Each element in the
In real-world development applications, about Oracle databases, it is often heard that a database is created, a instance is created, and a instance is started.Actually ask them what is the database, what is instance, most likely they give the answer
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