oracle pl sql questions

Tags: Record rowtype database query name EDR result proc SeleI. PL/SQL (Procedure Language/sql) programming language1. ConceptPL/SQL is an extension of the Oracle database to the statement. In the use of ordinary SQL statements to

My environment is like this: Win7 64-bit + Oracle 11g + PL/SQL 9.04 Since PL/SQL does not support 64-bit data at the moment, only Oracle client 32-bit data can be used, so you need to download it from the official website: Remembe

PL/SQL connection to the Oracle database -- no connection is required, ploracleZookeeper The 64-bit Oracle database installed on Win 7 is then installed with a 32-bit Oracle client. When you connect to Oracle using PLSQL, only the

Software environment: 64-bit win7, 32-bit Oracle 10g, PL/SQL 9.0.4.1644 In the past, 32-bit systems were used for development and suddenly switched to 64-bit systems. The installation environment was a little troublesome, especially for PL/SQL, which only supported 32-bit sy

is the package body, which implements the previously declared process and functions, and also needs to initialize the package. Based on this idea, build the test package as follows: /* Header part */ Create or replace package debug Procedure debug (v_description varchar2, v_valueofvariable varchar2) Procedure reset; V_numberofline number; End debug; /* Package part */ Create or replace package body debug Procedure debug (v_description varchar2, v_valueofvariable varchar2) is Begin Insert into d

Tags: window8 64-bit + Oracle1) Install Oracle 12c 64-bit2) Installing the 32-bit Oracle Client (INSTANTCLIENT-BASIC-NT-12.1.0.1.0.ZIP)Download Instantclient-basic-win32-11.2.0.1.0.zip, must be the Win32 version, the Oracle official website downloads, unzip it to the Oracle installation directory under product: D:\

Label:The PL/SQL language is the language that Oracle expands on SQL.1 procedures, functions, triggers are written in PL/SQL2 procedures, functions, triggers are in Oracle3 PL/SQL state

oracle| Data | Database in the database operation is often the case occurs, due to a momentary negligence and mistakenly deleted or mistakenly changed some important data, in addition to some important tasks need to run periodically. Obviously, the first kind of problem is mainly data backup and recovery, the latter is mainly the task scheduling of the system. In this paper, we will give a solution to these two types of problems from the perspective o

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/SQL is used to connect to the databas

1. Cursor Concept A swimming cursor is a handle or pointer to a context area. When you perform a crud operation in a pl/sql block, Oracle assigns the context area to it in memory. Using the database language to describe a cursor is a position entity that maps on a row of data in the context area result set. A user can use a cursor to access any row of data in

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_instance_parameters;View the value of Nls_languageNls_languageNls_territory5. Download and

Oracle is installed on Linux in the Virtual Machine. Since PL/SQL Developer is used on Windows physical machines to connect to Oracle in the virtual machine,But I don't want to reinstall Oracle on the Physical Machine (too big, no more =. = ). Therefore,

Tags: Speed connection number path database connection fix Chinese garbled ice Customer DESC protocolIn the case of enterprise development, the database (Oracle) is typically installed locally, and the Oracle database is large and installed locally, slowing down the computer. We can connect to the database remotely through the Oracle client. Here's how you instal

value. If your defined variable is associated with a pointer, you can useThe % rowtype attribute declares a variable and ensures that it is of the same type as the row where the cursor is located. In the Oracle dictionary% Rowtype DeclareCursor employee_cursor isSelect emp_id, emp_name from employees;Employee_record employee_cursor % rowtype; Analysis:In the above example, a variable named employee_record is defined, and % rowtype defines this variab

Tags: div list direct. com PNG restart path instance articleThe Oracle database is not installed locally, but you want to use PL/SQL to connect to the server-side database. 1. Create a new network folder, under which you create a new admin folder under which to create a new Tnsnames.ora file (copy the contents of the following file as modified according to your d

The Oracle client is quite annoying. To deploy applications connected to it, you usually need to install its client first.ProgramIt is required to write the Registry on the target machine. If you are not clean, you may still be stuck in the following: when other programs on your machine depend on the Oracle x64 program, and they are probably not written by you at all, so you do not dare to tamper with the s

Tags: c style blog a http tarAfter the installation of Oracle (64-bit), PL/SQL, the following error occurs when you run PL/sql:According to the online data, my PL/SQL is incompatible with Orac