hibernate Oracle Connection Statement Cache Size

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Oracle View db cache size of the object and take

The following script can be compared with the visually see the db buffer cache in the object occupancy, which ...
分类:Database 标签:lt, oracle, hash, performance optimization, buffer cache, cache size, sid, bp, pd, oracle view, bp id, count blocks

(Reprinted) hibernate Services: On a cache, a detailed description of the secondary cache

hibernate mainly from the following aspects to optimize the query performance: 1, reducing the frequency of ac ...
分类:Java 标签:second level cache, secondary cache, query session, select statement, field id, database query, query result, data cache, first level cache, query data, object query, data values, access data, query performance, query statement, query results, query database, customer object, report query, load applications

Oracle Detailed statement optimization rules 53 (1) transfer

1. The types of ORACLE optimizer ORACLE optimizer There are 3 kinds: a. RULE (rule-based) b. COST (cost-based) ...
分类:Database 标签:session level, oracle, sql statement, oracle sql, statistical information, linkages, parsing, full table scan, physical location, database objects, index method, database block, cbo, optimizer oracle, oracle optimizer, global area, first resolution, optimization rules, practical optimization, sentence level

53 rules for optimizing Oracle Detailed statement (reproduced)

Oracle Detailed statement optimization rules 53 1. The types of ORACLE optimizer ORACLE optimizer There are 3 ...
分类:Database 标签:session level, oracle, sql statements, sql statement, oracle sql, two ways, statistical information, linkages, full table scan, physical location, database objects, index method, database block, cbo, optimizer oracle, oracle optimizer, first resolution, optimization rules, practical optimization, sentence level

Oracle Detailed statement optimization rules 53

1. The types of ORACLE optimizer ORACLE optimizer There are 3 kinds: a. RULE (rule-based) b. COST (cost-based) ...
分类:Database 标签:session level, oracle, sql statement, oracle sql, statistical information, linkages, parsing, full table scan, physical location, database objects, index method, database block, cbo, optimizer oracle, oracle optimizer, global area, first resolution, optimization rules, practical optimization, sentence level

53 rules to optimize Oracle Detailed statement (reproduced)

Oracle statement optimization 53 Detailed rules 1 choice for the ORACLE optimizer ORACLE optimizer total of th ...
分类:Database 标签:session level, 2 ways, sql statements, sql statement, oracle table, oracle sql, statistical information, linkages, query performance, parsing, full table scan, physical location, database objects, database block, cbo, optimizer oracle, oracle optimizer, first resolution, sentence level, access records

php oracle connection

windows and Linux can execute Oracle Call Interface (OCI) allows users to access Oracle 10, Oracle9, Oracle8 a ...
分类:PHP 标签:lt, oracle, call interface, conn, table border, oracle8, foreach, oracle connection, rowid, bind variables, varchar2, variables example, htmlentities, oci, oracle support, oracle9, php oracle, connection windows, stid, oracle7 databases

[Transfer] hibernate a difference between cache and secondary cache

Cache is between applications and physical data sources, and its role is to reduce the application of the phys ...
分类:Database 标签:secondary cache, data source, sql statements, plug ins, run time, data cache, cache cache, first level cache, cache memory, life cycle, data sources, metadata, data replication, external cache, storage medium, hard disk, cache storage, concurrent management, file synchronization, cache database

Hibernate database connection and SQL dialect collections (reprint)

Hibernate database connection and SQL dialects Favorites <session-factory> <property name="conne ...
分类:Java 标签:database connection, sourceforge, driver lt, factory gt, connection password, dialect, oracle, oracle 9i, microsoft, collections, sqlserver, oracle 9, microsoft sql server, informix, ms sql server, dialects, jtds, alex

Hibernate use WebSphere Distributed Cache (DistributedMap) the realization of

Agreement In this paper, the realization of the environment is hibernate 3.3.1 WebSphere 6.1.0.21 Other versio ...
分类:Java 标签:object cache, import java, java util, public string, import org, public void, implementation class, public int, implements, collections, key value, cache cache, level 1, hashmap, priority level, cache size, concrete steps, realization, path resources, ibm websphere

hibernate a comparison of cache and 2 cache

Hibernate provides two Cache, first-level cache is a Session-level cache, which cache belongs to the scope of ...
分类:Java 标签:session level, transaction isolation level, second level cache, scope, first level cache, maximum number, software implementation, memory cache, multiple services, hard disk, memory memory, persistent objects, storage media, disk cache, longest time, expiration policy, physical storage, access policy, cache cluster, cache services

ORACLE SQL statement optimization summarized in

ORACLE SQL statement optimization summarized in (1) Select the most efficient sequence table name (only the ef ...
分类:Database 标签:oracle, sql statements, sql statement, database oracle, oracle sql, parser, database access, maximum number, internal implementation, column names, data retrieval, database queries, duplicate records, data dictionary, processing time, bind variables, intersection, reading data, cross table, bottom up parsing

Oracle SQL statement of the operator Optimization - Optimization Analysis

Oracle SQL statement of the operator Optimization - Optimization Analysis Operator optimization IN operator IN ...
分类:Database 标签:lt, implementation, oracle, sql statement, oracle sql, statistics, software development, conversion, optimization, null values, modern software, query table, b tree, tree index, table index, application field, sql performance

Common database connection statement

1: Mysql database connection statement Class.forName ("com.mysql.jdbc.Driver"); Connection con = Dri ...
分类:Database 标签:database connection, localhost, microsoft sqlserver, resultset, oracle jdbc driver, preparedstatement, database name, quot quot, oracle database, microsoft, getconnection

Database connection statement

A: Mysql database connection statement Class.forName ("com.mysql.jdbc.Driver"); Connection con = Dri ...
分类:Database 标签:lt, database connection, jdbc mysql, localhost, microsoft sqlserver, resultset, oracle jdbc driver, oracle, preparedstatement, database name, quot quot, oracle database, microsoft, mysql database

Transfer: oracle sql statement optimization

Transfer from: http://www.blogjava.net/killme2008/archive/2007/03/02/101434.html (1) choose the most efficient ...
分类:Database 标签:principle, oracle, parameters, sql statements, sql statement, database oracle, oracle sql, parser, database access, maximum number, column names, database queries, duplicate records, data dictionary, processing time, bind variables, intersection, reading data, cross table, bottom up parsing

oracle sql statement Classic

1.oracle Multiple lines into one line select d.datagetsource_id,wmsys.wm_concat(d.catagory_id) from datagetsou ...
分类:Database 标签:column name, oracle, sql statement, oracle 9i, oracle sql, yyyy, rollback, documents and settings, c documents, concat, wm, flashback, set transaction, ename, t table, table books, addressbook, recyclebin, catagory, irdp

ORACLE UPDATE statement syntax and performance analysis of an observation

For convenience, set up the following simple model, and constructed some of the test data: In a business in ac ...
分类:Database 标签:lt, alias, oracle, two tables, beijing, convenience, observation, test data, customer type, number 8, simplest form, data sheet, performance analysis, statement syntax, customer data, customer id number, existing customers, oracle update, customer service department, customer mark

Turn: oracle sql statement optimization

Transfer: http://www.blogjava.net/killme2008/archive/2007/03/02/101434.html (1) choose the most efficient sequ ...
分类:Database 标签:principle, oracle, parameters, sql statements, sql statement, database oracle, oracle sql, database access, maximum number, column names, database queries, duplicate records, data dictionary, processing time, bind variables, intersection, reading data, cross table, bottom up parsing, crosstab