oracle database 12c pl sql programming

Basic knowledge of oracle Database PL/SQL 1) Overview: the programming language formed by oracle procedural expansion in the standard SQL language is a unique feature of

Tags: PL/SQL developer do not install client connection to remote Oracle databasePL/SQL Developer is an integrated development environment designed specifically for the development of Oracle Database storage program units. Now tha

= sid_ DESC = (sid_name = ORCL) (Oracle_ HOME =/opt/oracle/product/11gr2)) LISTENER = (description_list = (DESCRIPTION = (A ddress = (PROTOCOL = TCP) (HOST = 192.168 . ) (PORT = 1521 ))) Adr_base_ LISTENER =/opt/oracle This file changed, and the Tnsnames.ora file in localhost changed to local IP, I do not know whether this has played a role, anyway changed is also true# Tnsnames.ora Network Confi

Transferred from: http://zhengdu.net/archives/152First, see if the remote end Oracle service is startedIf it does not start, start the Oracle servicePS: Create or delete Oracle ListenerSecond, remote-side Oracle ConfigurationLISTENER_ORCL =(ADDRESS = (PROTOCOL = TCP) (HOST = 192.168.1.10) (PORT = 1521))Oraclr_connectio

Tags: des C Class A HTTP tarAlways use SQL Develope connection database, as long as the write on IP, user name, password, sid and so on can connect, and later found that using PL/SQL connection to the remote Oracle database How to

was a problem here, I gave Scott that dbms_pipe permission, forgot to enter the user, directly with the SYS run, and then quitUsing Scott to run is not, error, and then should be used in the time of SYS to create a pipeline, Scott does not use this. Then I changed another name.But why can't I quit ...DECLARE pipename VARCHAR2 (n): = ' signaler1 '; Result INTEGER: = Dbms_pipe.create_pipe (Pipename); BEGIN dbms_pipe.pack_message (' Stop '); end;/This is the one that stopped, but it's not good. Lo

Label:The seventh chapter is also quite miscellaneous, see not very clear. Although I finished it, I felt that I had not got too many things and had to go back to see them. See this CHR function, The original is to turn the number into ASCII code, such as Chr (10) is the carriage return.BEGIN Dbms_output.Put_Line (' Gogo ' | |CHR (10) | | ' Tot '); end;/Use here | | To connect characters, or you can use Concat to connect. However, Concat has only two parameters, that is, connecting two s

Tags: des using os io file data ar ArtPL/SQL Connect Oracle Database 1, Brief introductionUse PL/SQL to connect to a remote Oracle database without installing an

Today with PL/SQL to connect to a database old report ora-12541: TNS: No listener error. Solution: Refer to the SQL * Plus User's Guide and reference for more information.[Oracle @ vserever75 ~] $ Sqlplus/nolog SQL * Plus: Release

Label:PL SQL Cursors Hrno records in the Hregright table that do not exist are populated with the Hrno in the House table (house only) Declare cursorHouse_cur is SelectH.regno,h.hrno fromHouse HwhereH.hrno is not NULL Group byH.regno,h.hrno having Count(H.regno)=1; begin forHouseinchHouse_cur LoopUpdateHregright RSetR.hrno=House.hrnowhereR.regno=House.regno andR.hrno is NULL; EndLoop; End; PL