Tags: hitpoint net FirGlobal companies can operate their subsidiaries through NetSuite's cloud ERP, while maintaining headquarters-to-Oracle input, NetSuite provides SuiteCloud connectivity for NetSuite's cloud ERP integration with Oracle, a global company.650) this.width=650; "title=" H2.png "src=" http://s3.51cto.com/wyfs02/M01/6F/23/wKiom1WScFegfBs9AAEHQbvp0KY
statementsDaclarestrSQL varchar2 (100);Beginstrsql:= ' CREATE table TTT (a mumber) ';Excute immediate (strSQL);EndCursorDeclareCursor "vernier keyword" c1 is a select empno, ename,job from EMP;BeginOpen C1;Fetch C1 into emp.empno,emp.ename,emp.job;While C1%found loopDbms_output.put_line ();Fetch C1 into emp.empno,emp.ename,emp.job;End Loop;Close C1;EndTriggerTable-level triggers are executed only once when several rows are inserted at a time, and row-level triggers are executed once by insertin
Oracle review, oracle
After I got back, I recorded several sets of videos, but I didn't know how to record them when I started recording them. If I recorded a few sets, I had nothing to do. I could record each set for dozens of minutes, in the process, I also read this part of the Oracle database, and gained a lot. lea
A review of the IT Ninja Turtles oracle grouping method, Ninja Turtles oracle
Oracle analysis functions are very powerful. We only need to master these methods. A more direct saying is that knowing the functions of these analysis functions can accomplish a lot of work.
The following describes these functions and simple
IT Ninja Turtles oracle connect by usage review, Ninja Turtles oracle
First use the emp table of scott.The emp table has one field: empno (employee ID) and mgr (Superior manager ID)Below are all the data in the table
1
select*fromemp start withempno=7698connectbymgr=priorempno;
The execution result is as follows:
The result is the data of empn
IT Ninja Turtles-A Review of oracle grouping Methods
Oracle analysis functions are very powerful. We only need to master these methods. A more direct saying is that knowing the functions of these analysis functions can accomplish a lot of work.
The following describes these functions and simple applications.
Here, I want to explain to the lag () and lead () funct
CREATE TABLE T_name (ID number,name varchar2 (Ten));d ROP Table T_name;select * FROM table_name where id = 2; INSERT INTO tabl E_name (C_01,C_02) VALUES (1, ' Terry '); update table_name Set name = ' Tyron ' WHERE id = 1;delete from table_name where id = 3;DECLAREV_01 number (5,2); beginv_01: = 100/6;dbms_output.put_line (v_01);--16.67end;/ SELECT * from user_source where name = ' procedure_name ';--get code for created stored procedure select * from user_procedures;--query created stored proce
Today, when you log in to the Oracle database EM, there is a picture.I found a lot of information and found no solution. After some research, I found that maybe I changed my computer's name yesterday, which caused my em to not log in.WORKAROUND: Restore the previous computer name.Step: 1. Open Control Panel, system and safety system2. Locate the computer name, domain, and workgroup settings, and click Change Settings3. Under the Pop-up window (compute
), cascade, automatically update the child table countries the region_id of the original country in the region. CREATE OR REPLACE TRIGGERTr_reg_couafterUpdate ofregion_id onRegions forEach ROWBEGINDbms_output. Put_Line ('the old region_id value is'||: old.region_id||', the new region_id value is'||: new.region_id); UPDATECountriesSETregion_id=: new.region_idWHEREregion_id=: old.region_id;END; Example 5: Invoking a procedure in a trigger. CREATE OR REPLACE PROCEDUREadd_job_history (p_emp_id job_
"Book Review: Oracle Query Optimization Rewrite" chapter fourth Blog Document structure diagram 650) this.width=650; "title=" wpse60b.tmp "border=" 0 "alt=" wpse60b.tmp "src=" http://s3.51cto.com/wyfs02/M00/6D/0B/ Wkiom1varbyhcepqaabjdaqoiyu258.jpg "" 291 "height=" 192 "/>I. 1 guideTechnical enthusiasts, after reading this article, you can master the following skills, you can also learn some other knowledge
Oracle.sql.BLOB. When you do not use LOB classes provided by the database JDBC driver, the program is run with an "abstract method call" error, because the Java.sql.Clob defined by JDBC and Java.sql.Blob interface, some of which are not actually implemented in the driver provided by the database manufacturer. 5, access means and file operation similar. For BLOB types, the Inputstream/outputstream class is applied, and this class does not encode conversions and accesses bytes-by-byte. The Oracle
Label:This article is original article, reprint please indicate source: http://blog.csdn.net/msdnchina/article/details/42425491Hardware engineers move storage (new plus storage, do other things for storage), and before they do, Oracle DBA is ready to work:1.VG information hpux:vgdisplay,pvdisplay, Vgdisplay-v vg_data Aix is: Lsvg-o, lsvg,lsvg datavg,lsvg-l datavg, LSPV 2.OCR + VD information (if RAC) 3.datafile information (v$dbfile,v$datafile,d
main function of the Oracle analysis function: To take the first few, or the last few "sample" table content as follows: Name | seqno | Descriptiona | 1 | TestA | 2 | TestA | 3 | TestA | 4 | Testb | 1 | Testb | 2 | Testb | 3 | Testb | 4 | TESTC | 1 | TESTC | 2 | TESTC | 3 | TESTC | 4 | Test I want to have an SQL statement, the result of the search is a | 1 | TestA | 2 | Testb | 1 | Testb | 2 | TESTC | 1 | TESTC | 2 | Test implementation: Select Name,
), Max (Sal), Min (sal) from EMP;6: Group queries--Query the average salary of each department (grouped by department)Select Floor (avg. sal), Deptno from EMP Group by DEPTNO;--Query the total salary and average wage of each department and the maximum wageSelect Floor avg (SAL) as average salary, sum (SAL) Total wages, Max (SAL), Deptno from EMP Group by DEPTNO;--Query Each department, the total wages of each job andSelect SUM (SAL) Total wages, deptno, job from EMP Group by Deptno,job--Check ou
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