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  10046 tracefile comment

  10046 you can see the execution of the statement, including various steps, how they are associated, how much time is spent in each step, what waiting events are available, and so on. 1. Database call consists of three steps: parsing, executing, and obtaining parsing: PARSING IN CURSOR # 14018689

  2022-06-01 07:14:54 Views: 282
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  Summary of UNDO space of LOB field

  When update occurs in LOB, how to solve the problem that UNDO is too large? In the UPDATE process of the LOB field, ORACLE does not use the UNDO TABLESPACE space to store the previous image, but divides a space from the table space where the LOB field is located to do the mirror.

  2022-06-01 07:14:50 Views: 246
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  ORACLE 100 cases trial III

  Oracle series "three": table, (constraint) index, sequence, view use 1, create, delete, modify table: main data types in Oracle: VARCHAR2, NUMBER, DATE, CLOB (large amount of text), BLOB (picture, music)

  2022-06-01 07:14:50 Views: 218
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  Introduction to the new features of Redis4.0

  1)。 Provides a module system to facilitate third-party developers to expand the functions of Redis. 2) .PSYNC2.0: optimizes the problem that switching between master and slave nodes will inevitably lead to full replication in the previous version. 3)。 Provides a new cache culling algorithm: LFU (Last Frequen)

  2022-06-01 07:14:50 Views: 211
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  What is MySQL?

  MySQL is a database management system.MySQL is a database management system. MySQL databases are relational.MySQL database is a kind of relational database.

  2022-06-01 07:14:49 Views: 260
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  How to write multiple tables associated with MySQL INNER JOIN

  INNER JOIN associates two data tables: SELECT * FROM Table 1 INNER JOIN Table 2 ON Table 1. Field number = Table 2. The field number INNER JOIN is associated with three data tables: SELECT *

  2022-06-01 07:14:49 Views: 226
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  MySQL 5.7.24 installation of the MySQL Audit plug-in

  1)。 Go to the website (https://bintray.com/version/files/mcafee/mysql-audit-plugin/release/1.1.7-805) download plug-in audit-plugi

  2022-06-01 07:14:46 Views: 269
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  Character set optimized by MySQL architecture

  MySQL architecture optimized character set MySQL is used in large, medium and small enterprises, and character set standardization is also an important part of MySQL architecture optimization. It is generally recommended that you choose the utf8 character set in a mixed Chinese and English environment. 1. Operating system Linux cat / etc/sy

  2022-06-01 07:14:46 Views: 292
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  Oracle tool sql

  Query the tables SELECT l.session_id SID, l.locked_mode, l.oracle_username, l.os_user_name in the locked table

  2022-06-01 07:14:45 Views: 254
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  Create stored procedures in oracle and call cursors in stored procedures

  CREATE OR REPLACE PROCEDURE aaisCURSOR prodCombind_cur IS SELECT * FROM proddata.product_combind_inf

  2022-06-01 07:14:45 Views: 229
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  Common skills in office tabulation, learn to get twice the result with half the effort

  Excel tabulation is often used in office work. Now let's introduce some common tips to make your form easier to use. 1. Fast uniform date format An Excel registration form is often circulated everywhere, resulting in inconsistent date formats, which looks really messy, as shown in the following figure

  2022-06-01 07:14:27 Views: 262
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  ORACLE AUDIT

  Audit is used to monitor the database operations performed by users, and Oracle stores the audit trail results in an OS file (default location is $ORACLE_BASE/admin / $ORACLE_SID/adump/), or a database

  2022-06-01 07:14:27 Views: 267
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  Combination of strong and powerful | Huayun Internet & Jie Technology will jointly create China's high-end secondary data market.

  On January 18, 2019, you Feng, founder and CEO of Beijing Huayun Internet Technology Co., Ltd. (referred to as Huayun Internet), signed a strategic cooperation agreement with Charlie, founder and CEO of Beijing Jie Yi Software Technology Co., Ltd. Co-founder and CTO King of Huayun Internet

  2022-06-01 07:14:12 Views: 261
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  Oracle vs PostgreSQL Develop (18)-Boolean

  You can use the int type to simulate Boolean types in both Oracle and PG, but the values obtained through the JDBC interface (JDBC driver, Oracle 11.2.0.4 and PG 9.3) are inconsistent, which should be noted. Test script drop tabl

  2022-06-01 07:14:06 Views: 220
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  Why choose Zhi Shang software?

  Nowadays, more and more people rely on fully automated equipment. For example, the harvesting, classification and packing of agricultural products can almost be completed directly by machinery and equipment. Compared with the traditional use of a large number of manual labor, it not only increases the speed, but also reduces unnecessary manpower weakness. The same is true of Zhisheng software. Intelligent stable software

  2022-06-01 07:14:06 Views: 236
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  Strong Chinese style welcomes the Dragon Boat Festival PPT template of Chinese Culture

  Before sharing with you about Mother's Day, year-end summary, Spring Festival templates, and then share some PPT templates about Dragon Boat Festival, Dragon Boat Festival is a traditional festival in China for more than 2000 years, first say "Dragon Boat Festival" two words, "end" is the beginning, beginning, "Boat Festival" is a hot summer, is a

  2022-06-01 07:14:06 Views: 214
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  Implementation of load balancing of SAP Application Service

  A total of two steps, one is the server settings, the other is the client login settings. First use SMLG to group servers in SAP. The instance name is defined in the SAP system, and you can't delete it or change it. It may be that I can't teach. Let's build a Group and then give it to Grou.

  2022-06-01 07:14:06 Views: 256
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  Interpretation of PostgreSQL Source Code (150)-PG Tools#2 (BaseBackup function)

  This section briefly introduces the PostgreSQL backup tool pg_basebackup source code in the actual implementation of backup logic function BaseBackup. 1. Data structure option data structure for storing options when using tools # ifndef HAVE_S

  2022-06-01 07:14:05 Views: 295
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  [teacher Zhao Qiang] complex security check is realized by database trigger.

  What is a trigger? a database trigger is a stored PL/SQL statement associated with a table. Whenever a specific data manipulation statement (insert update delete) is issued on a specified table, Oracle automatically executes the language defined in the trigger

  2022-06-01 07:13:59 Views: 286
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  12C RMAN backup and restore

  12C redo log files are shared, so the ARCHIVELOG mode can only be set at the CDB level, not at the PDB level. RMAN can better operate cdb and pdb backups, while pdb backup and recovery can be done through cdb. = backup

  2022-06-01 07:13:59 Views: 242