Oracle

As a result of this experiment, I will copy the last virtual machine directly, and then install the graphical interface inside the Oracle to delete, re-install again, so here to modify some configuration. The first thing to change is our IP

Sqoop importing data from Oracle timed increments to hiveThank:Http://blog.sina.com.cn/s/blog_3fe961ae01019a4l.htmlHttp://f.dataguru.cn/thread-94073-1-1.html Sqoop.metastore.client.record.passwordhttp://blog.csdn.net/ryantotti/article/details/1422663

In Oracle, single quotes have two effects, one is that strings are quoted by single quotes , and the other is escaped. The use of single quotes is the nearest pairing, the nearest principle . While single quotation marks are relatively poorly

Today to see the group in the discussion of the database deadlock problem, also studied the next, check out some of the information summarized here.The so-called deadlock: Refers to two or more than two processes in the course of execution, because

Reproduced:To_date () with 24-hour notation and MM-minute display:One, when using Oracle's to_date function to do date conversion, many Java programmers may use the "YYYY-MM-DD HH:mm:ss" format as a format for conversion, but in Oracle will cause an

Describe a table with DESC employeesFilter Duplicate department SELECT distinct DEPARTMENT_ID from EmployeesThree ways to alias: 1, Space 2, plus as 3, "" (the alias of multiple words must be separated by a space, or by an underscore)Condition

Sql> Conn/as SYSDBASql> Select SCN, To_char (TIME_DP, ' Yyyy-mm-dd hh24:mi:ss ') from Smon_scn_time;The correspondence between the timestamp and the SCN is recorded in the Sys.smon_scn_time table, and the corresponding relationship of the timestamp

Correct use of connection detection statements in an application in an Oracle databaseThis article is original article, reprint please indicate source: http://blog.csdn.net/msdnchina/article/details/38513765In many programs, connection detection (or

InsertOracleCommand cmd = "insertinto into Gis_polygonpoint (pcode,pointcoll) VALUES (' 140134 ',: Var)";ModifyOracleCommand cmd = new OracleCommand ("Update yd_line set COORD=:COORDSTR where lineid=" + lineid.tostring (), conn);String sql = @

1. Create a user :Sql> create user User01 identified by User01;User created.But login prompt 01045 error, missing create session permission.ERROR:Ora-01045:user USER01 lacks CREATE SESSION privilege; Logon deniedEnter User-name:At this point you

The Oracle Replace function replaces a value in a string with a different value.For example, you can replace each occurrence of a letter with a matching number. The format of REPLACE is as follows:REPLACE (char, search_string [, replace_string]) if

Note: This article is original article, reproduced please indicate the source:http://blog.csdn.net/msdnchina/article/details/38435999First, confirm what FGA audit strategy,From the SELECT * from dba_audit_policies you can query the audit policy,

This article refers to the official ORACLE11GR2 documentOracle? Database Reference11G Release 2 (11.2)Queue definition:The Oracle queue has a lock on the serial Access database resource in shared memory. It arises in a single reply or a thing.Queue

if (!defined (' BasePath '))Exit (' No Direct script access allowed '); Class Useora extends Ci_controller{ Public Function Index (){Echo ' Welcome to test CI using Oracle 10g features, you can use the following function parameters in the address

To connect to an Oracle database using the System.Data.OracleClient library in. Net 1. Download and install the instant Client Instant client can be downloaded to the Oracle website at There are three versions of the Windows,instant client: 1)

Go from Network1. NESTED LOOPThe nested loop connection is a good choice for cases where the subset of data being connected is small. Nested loop is to scan a table, each read to a record, according to the index to the other table to find, no index

A: PrefaceToday, I write the cursor for the second time, I wipe, I think I need a great improvement in the database. There are three problems today, the first is the problem of data splitting in Oracle database, which I use REGEXP_SUBSTR to solve,

An error occurred while deleting the temporary table empty ora-25152. Deleting a temporary tablespace or shrinking a temporary tablespace often results in table space occupation. Next we will handle this situation, First, find the locked sid:SELECT

OracleHA high availability (II. In-depth analysis of TAF and HA Framework) Oracle HA high availability (one, client, server service details): http://write.blog.csdn.net/postedit We have seen that the Oracle session of TAF can be automatically

ORACLE basic SQL statements-add and update data functions, oraclesql 1. Add data /* Add data */Insert into STU values ('stu0004', 'zhao yi', 18, 1, "kc0004 ");Insert into STU (STU_ID, STU_NAME, STU_AGE, STU_SET) values ('stu0013', 'Storage 11', 19,1