oracle database 12c pl sql programming

Oracle language, add the environment variable Nls_lang, and the value is simplified Chinese_china. Zhs16gbkIf you do not know the Oracle language of the remote database, you can ssh or telnet to the remote machine, enter it at the command interface, and connect to the database using the command line.SELECT * from Nls_

the number of elements in the variable-length array. Alter type varray_phonemodify limit 2 cascade -- an error is reported. The varray limit can only be increased. Alter type varray_phonemodify limit 5 cascade Insert into person3 values (3, 'yuanyuan ', 'weixiang', varray_phone ('000000', '000000', '000000', '000000', '000000 ')); 4. cursor Introduction: In the PL/SQL program design, you sometimes need to

database. 3. Connect to the database using PL/SQL developerThe database is populated with the service_name of the remote databases ,Note: According to the actual user name, password and database:User name: Gateway Password: Gateway

PL/SQLIt is an efficient transaction processing language and has the following advantages: 1. SupportSQL 2. Support for Object-Oriented Programming 3. better performance and higher efficiency 4. Easy to write 5.OracleHighly integrated 6. Good Security I. PL/SQLVariables and basic data types 1. PL/SQLV

; --------------------------------------------------------------------Cursor------------------------------------------------- --explicit cursors, reading employee information Declare cursorCur_emp (var_jobinch varchar2:='salesman') is SelectEmpno,ename,sal fromscott.empwhereJob=Var_job; Type Record_emp isrecord (Var_empno scott.emp.empno%type, Var_ename scott.emp.ename%type, var_sal scott.emp.sal%type); Emp_row record_emp; begin OpenCur_emp ('MANAGER'); FetchCur_emp intoEmp_row; whileC

Tags: SQL dmp file inserted in RAC Text Editor decimal importA. PL/SQL Developer tools generally import and export to Oracle in the following 4 ways: 1, Oracle Export Import methodIn this way, export the file format that is imported as. DMP, which is binary, can be cross-pla

When installing the Oracle database's PL/SQL tool, the computer name is the name of the user name that is automatically generated after reloading the system, as a programmer, there is a strong obsessive-compulsive disorder, you want to use their English name as the name of their computer, so the name of the computer changed; Results

Pl/SQL 9.2 cannot connect to the oracle database. When oracle 11 GB is installed on the system and oracle 10 Gb is installed on the client, when pl/

PL/SQL Developer Remote connection to Oracle Database I searched many methods online. This is feasible! 1. Configure the server tnsnames. ora file. If oracle is not installed on the local machine, you can copy one (tnsnames. ora file) in the specified directory, because I

machine is: d:/instantclient_11_2/network/admin4, set the language of Oracle, add the environment variable Nls_lang, the value is simplified Chinese_china. Zhs16gbkAssuming that the Oracle language of the remote database is unclear, SSH or telnet to the remote machine, enter in the command interface, and connect to the datab