Unable to connect database ORA-01034 & ORA-27101 with connection string

Unable to connect database ORA-01034 & ORA-27101 with connection string The operating system is linux as5 and the database is 10 Gb. After the machine is restarted, @ connecct_string cannot be used to connect to the database. You can only use the

The control file is successfully restored after the catalog is configured in Oracle.

The control file is successfully restored after the catalog is configured in Oracle. Besides, the configuration of catalog is as follows: 1: catalog Database:Export Oracle_SID = ezhoudg1> Create a tablespace in the catalog Database for

Oracle SQL tuning procedure

Oracle SQL tuning procedure The full name of SQL is Structured Query Language (Structured Query Language ). SQL is an industrial standard database query language used in the middle of 1980s. Do not confuse SQL with commercial products such as

Picked Lamport scheme to generate SCNs, lamportscns

Picked Lamport scheme to generate SCNs, lamportscns Fault symptom: Database Node 1 fails to open the database instance after it is suspended and restarted. The warning log has no error. There is only one record: Picked Lamport scheme to generate

Pentaho Report Designer connects to HSQLDB, pentahohsqldb

Pentaho Report Designer connects to HSQLDB, pentahohsqldb Pentaho Report DesignerHSQLDB connection problems   Introduction to PentahoReport Designer The latest version of Pentaho Report Designer is 5.1, which is very easy to use and based on java

Atitit. hbnt orm db new update best practices o99, ormo99

Atitit. hbnt orm db new update best practices o99, ormo99 Atitit. hbnt orm db new update best practices o99   1. merge and save. 1 2. The POJO object is in the free, persistent, and hosted state. Use of merge. 1 3. @ DynamicInsert @ DynamicUpdate 2 4

Oracle connection method: oracle connection

Oracle connection method: oracle connection In general, Join methods include: Nested Loops, Hash-Join, Sort Merge Join, and Cartesian Join (Merge Join Cartesian ). 1. Nested loop join (Nested Loops) Nested loops include the concepts of External

[Architecture, 13] oracle Character Set details, oracle Character Set

[Architecture, 13] oracle Character Set details, oracle Character Set1. A simple understanding of character sets: tables corresponding to characters and encodings. When the software has a character set, it uses its own character set. If the software

Stored Procedure ora-00942 when ora-00942 table or view does not exist

Stored Procedure ora-00942 when ora-00942 table or view does not exist Solution: Grant select, insert, update, delete on bookmarks. * to bm_user @ localhost identified by 'Password' Authorization statement: Grants the XXX select, insert, update,

Oracle client download, oracle client download

Oracle client download, oracle client downloadOracle refers to a user with a level of capacity. The following describes how to install and assemble a column (using instantclient-win32-10.2.0.3-.zip ).Oracle provides six compressed packages to be

[Architecture problem solving: 1] solution to 4031 errors: Architecture 4031

[Architecture problem solving: 1] solution to 4031 errors: Architecture 4031III. solution 4031 error method :( ora-4031 error cause: a large number of hard parsing, resulting in chain chunk are changed very small, at this time a large SQL will not

Practice: mysql 5.6 replication latency monitoring, mysql5.6

Practice: mysql 5.6 replication latency monitoring, mysql5.6 # Repdelay. sh #! /Bin/sh # ocpyang@126.com # view the replication delay specific event # set mysql slave = root MYSQL_PASS_MASTER = 'Password' MYSQL_HOST_MASTER = 192.168.2.188MYSQL _

Risks of incorrect selection of Oracle Database Design field types, oracle Fields

Risks of incorrect selection of Oracle Database Design field types, oracle Fields A hidden danger of inaccurate data types. The following constructs a table storage date field, one storage varchar2, and one storage date for a test. I have also

WARNING: Heavy swapping observed on system in last 5 mins., swappingmins

WARNING: Heavy swapping observed on system in last 5 mins., swappingmins When I checked the alert Log today, I found the following error: Pct of memory swapped in [7.16%] pct of memory swapped out [0.56%].Please make sure there is no memory pressure

Mysql obtains the current time and compares it with the time in the field a few days ago. mysql current time

Mysql obtains the current time and compares it with the time in the field a few days ago. mysql current timeDelete from zhongqiu WHERE caretatime The caretatime field is a time field.'Caretatime' timestamp not null default CURRENT_TIMESTAMP,-14 days

Practice: mysql 5.6 skips the specified transaction GTID and mysqlgtid

Practice: mysql 5.6 skips the specified transaction GTID and mysqlgtid   Show slave status \ G; Last_ SQL _Error: Worker 3 failed executing transaction '6c9da32f-handle: 1' at master log mysqldb01-bin.000001, end_log_pos 4541041; cocould not execute

Oracle performance analysis 6: Index scanning of data access methods, oracle Index

Oracle performance analysis 6: Index scanning of data access methods, oracle Index This section describes various index scanning methods. After learning about the features of various index scanning methods, you can determine whether the scanning

Software Engineering-design, software engineering design

Software Engineering-design, software engineering design A large project must be designed first, but must be designed first. Before design, the requirement analysis is required. Requirement analysis is to understand what users "do". Requirement

Official Oracle and oracle website

Official Oracle and oracle website Baotou: Create or replace package ProdureceCursorData isType curtype is ref cursor; Type type_record is record ( Deptno NUMBER (2 ), Dname VARCHAR2 (14 ), Loc VARCHAR2 (13) ); PROCEDURE Procedure1 (cur out curtype )

Thoughts on MongoDB application practices and practices

Thoughts on MongoDB application practices and practicesI recently studied MongoDB and used it to quickly build a flexible no schema storage system. Through demonstration and analysis, this article uses MongoDB to quickly build a storage system with

Total Pages: 1013 1 .... 412 413 414 415 416 .... 1013 Go to: GO

Alibaba Cloud 10 Year Anniversary

With You, We are Shaping a Digital World, 2009-2019

Learn more >

Apsara Conference 2019

The Rise of Data Intelligence, September 25th - 27th, Hangzhou, China

Learn more >

Alibaba Cloud Free Trial

Learn and experience the power of Alibaba Cloud with a free trial worth $300-1200 USD

Learn more >

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.