OUI-67076: OracleHomeInventory was not able to create a lock file "in Unix, createSymptoms The command "opatch lsinventory" reports the error: OUI-67076: OracleHomeInventory was not able to create a lock file, probably due to a failed OPatch Session.
Oracle Performance Analysis 1: Enabling SQL tracking and obtaining trace files, oracletrace When there is an issue with Oracle query efficiency, we often need to understand the problem so that we can provide a solution to the problem. Oracle
Add a joint primary key in oracle and an oracle joint primary key Alter table tablename add constraint unionkeyname primary key (column1, column2 ); In the preceding statement: Tablename is the table for which the Union constraint is to be added.
Calculation Method of nearby persons ----- using mysql script, ----- mysql Calculation Method for nearby persons: drop function if exists getDistance; DELIMITER $ create definer = 'root' @ 'localhost' FUNCTION 'getdistance '(lon1 float (10, 7 ), lat1
Mysql exports only the table structure or data. mysql exports the structure. Only data is imported without structure Mysqldump-t database name-uroot-p> xxx. SQL Only data is imported from the structure. Mysqldump -- opt-d database name-u-p>
Oracle11 tablespace dbf File migration, oracle11dbf When the disk space of the oracle data file is insufficient or the dbf file needs to be migrated to another location in other cases, the procedure is as follows: 1. sqlplus sys/sys as sysdba 2.
Hadoop2.X/YARN environment setup-CentOS7.0 system configuration, centos7.0 I. Why should I choose CentOS7.0? The official CentOS 7.0.1406 version was released at 17:39:42 on January 26, July 7. I used many Linux versions. For the environment
Sqlite study notes 5: insert data, query data and delete data, sqlite Study Notes Zeng Wen: All programming is data-centric, which makes sense. The so-called database has no data. Next we will look at how to insert data into the table. 1. Insert
Cursor and dynamic SQL, cursor dynamic SQL Cursor type: Static cursor (the cursor is statically bound to a select statement during compilation. This cursor can only act on one query statement) and dynamic cursors (that is, we want our query
Hadoop2.X/YARN environment setup-CentOS7.0 JDK configuration, centos7.0 Hadoop is written in Java and cannot use OpenJDK pre-installed in Linux. Therefore, JDK (1.6 or above) must be installed before hadoop is installed) Raw materials: the 32-bit
SVM-based data classification prediction-Italian wine classification identification, svm Italy Wine data comes from the UCI database and records the chemical composition of wine 13 of different varieties in the same region of Italy, so as to achieve
How to use STA (SQL tuning advisor), tuningadvisor1. manually generate SQL tuning advisor1. SQL text format:DECLAREMy_task_name VARCHAR2 (30 );My_sqltext CLOB;BEGINMy_sqltext: = 'select * FROM DBA_SEGMENTS where owner = ''clic' AND SEGMENT_TYPE =
Postgresql ALTER common operations, postgresqlalter Postgresql version: psql (9.3.4) 1. ADD an alter table table_name ADD column_name datatype; 2. delete an alter table table_name DROP column_name; 3. Change the Data TYPE of the alter table
Restore table accidentally deleted records, and delete table records by mistakeRestore table accidentally deleted records I recently handled a user's accidental deletion of the delete table. Here I made a simple summary. The content of this article
MySQL password change methods, yc sorting, mysqlyc Reprinted please indicate the source http://blog.csdn.net/yc7369 MySQL password change methods I have sorted out the following four methods to change the root password in MySQL, which may be helpful
SQL server statement exercises, SQL server statements Related tables: create table DEPT(deptno int not null primary key,dname varchar(14) null,loc varchar(13) null)create table EMP(empno int not null primary key,ename varchar(10) null,job varchar(9)
Mysql Data truncated for column, mysqltruncated 1. Describe your problems first. If you want to remove the flag that allows null values... It happens that the data processed_f in the database is null and there is no value .... When you
Having has some differences in Oracle and mysql, havingoraclemysql In Oracle, having must be used in combination with group by, but in mysql, the situation is different and can be used separately. C: \ Documents ents and Settings \ guogang> sqlplus
Java implements Oracle database backup and oracle Database Backup Today, we will paste an Oracle database backup feature that has been implemented very early. This feature was designed at the university stage: Import java. io. file; import java. io.
Mysql-views, stored procedures, triggers, and mysql-Views I. VIEW A view is a virtual table and does not store any data. Only the running time contains the dynamically retrieved data. Eg: SELECT sid, name, sex, s_num FROM student, school WHERE sid =