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PL/SQL Developer is an integrated development environment that specializes in developing applications for Oracle databases. PL/SQL is also a programming language called the procedural SQL language (procedural language/sql). PL/SQL is an extension of the Oracle database to the statement. In the use of ordinary SQL statements to add the characteristics of the progr

I. Related content1. Master the structure of PL/SQL program block, understand and familiar with the application of various variables.Second, the specific operation(i) using the system user login Sql*plus, create a user using the SQL statement: U_ your initials (for example: U_zs), the password is: T_ your number three (for example: t_165). and grant the new user permission to connect to the database, and then connect to the database as a new user.1. C

Tags: how to set SQL text content to open before PL/SQL pre-load, pre-load textJoke: Remember when the first use of PL/SQL, the person who complained to give me a text, I do it with a text document opened,CTRL + A, CTRL + C,ctrl + V or a new "SQL window" in PL/S, right-click = = "Load, selectThe SQL text can be loaded, but the next time you reopen

PL/SQLPL/SQL is a block-structured language that places a set of statements in a block and sends it to the server at once. It is an extended language combined with Oracle process language and Structured Query languageComposition of PL/SQL code blocksDeclare--The markup declaration section is used to declare some variables before beginBegin-A sign of the beginning of the main program bodyMain program body bl

How to install PL/SQL developer on Linux工欲善其事 its prerequisite, PL/SQL and Toad are important tools for Oracle practitioners, but none of these tools have a Linux distribution, and if you want to use these tools on Linux, you needWine or crossover This Windows application Simulator, crossover is wine's enhanced version, nonsense said, the following starts to demonstrate the installation steps:1: Environment

Possible problems: 1. windows Firewall. 2. The environment variable PATH does not contain % ORACLE_HOME % \ bin, which leads to many ORACLE connection setting methods. Four methods are provided here, however, it is mainly about the remote connection method. First case: If the oracle server is installed on the local machine, it will not be said. The connection is just a problem with the user name and password. However, check whether the environment variable % ORACLE_HOME %/network/admin/is set. W

PL/SQL DeveloperYesOracle DatabaseThis document describes how to use PL/SQL Developer to import and export databases, and describes precautions for importing or exporting databases, next we will introduce them one by one. Export Steps: 1 tools-> export user object selection option to export the. SQL file. 2 tools-> export tables-> Oracle Export select to export the. dmp file. Import steps: Note: It is best

1. What is the cursor? Oracle uses two types of cursor: explicit cursor and implicit cursor. No matter how many records are returned by the statement, PL/SQL implicitly declares a cursor for each SQL command, such as UPDATE, DELETE, and INSERT. To manage SQL statement processing, you must implicitly define a cursor for it .) The user declares and uses the display cursor to process multiple records returned by the SELECT statement. The display defines

(1). PL/SQL is not case sensitive.(2). Character Type:CHAR: up to 32767 characters.(3). Fast format:BeginDeclareBeginExceptionEndEndNote: If you use the first bengin, you must use the second one, and vice versa.(4) annotation method:Single Row -- this is a one-line commentMultiple rows/* this isIsOne-line comment*/(5) PL/SQL can directly support DML queries, but does not support DDL commands. You usually us

2008/03/20 Basic PL/SQL 1. PL/SQL Basics 2. PL/SQL Block StructureDeclare... Variable DeclarationBegin....Exception....End;/ Variable declaration contentAssign a proper variable name, the correct data type of the variable, define the variable, and control the variable range.Naming rulesIt must start with a character and can contain numbers, underscores, $

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: Remember: you must download a 32-bit package) Http://www.oracle.com/technetwork/database/features/instant-client/index-097480.html 650) this. width = 650; "src =" http://www.bkjia.com/upl

IT Ninja Turtles PL/SQL Developer tips and shortcuts, Ninja Turtles developer 1. SQL plus Window: File-> New-> Command Window. This is similar to the SQL plus client tool of oracle, but it is much easier to use than it. 2. Set the Keyword to Uppercase automatically: Tools-> Preferences-> Editor, and select Uppercase for Keyword case. In this way, when an SQL statement is entered in the window, the keywords are automatically capitalized, while the othe

PL/SQL developerYesOracle DatabaseThis document describes how to use PL/SQL developer to import and export databases, and describes precautions for importing or exporting databases, next we will introduce them one by one. Export Steps: 1 tools-> Export user object selection option to export the. SQL file. 2 tools-> export tables-> Oracle export select to export the. dmp file. Import steps: Note: I

Due to the continuous updating of hardware technology, Win7 system gradually become mainstream, and computer memory gradually increased, in order to make full use of memory resources (because 32 of the system can only use up to 3G of memory), improve system performance, many people began to use the Win7 (64Bit) system. A 64-bit Oracle database is installed on a 64-bit system, but there is no corresponding 64-bit PL/SQL Developer, and it is not possibl

Label:After installing Oracle (64-bit), PL/SQL developer, execute PL/SQL occurs for example the following error:On the Internet, my PL/SQL developer is incompatible with Oracle, that is, PL/SQL does not support 64-bit Oracle, so the next 32-bit orcaleclient will be configured with the corresponding number of parameters

ORACLE provides the ability to store PL/SQL programs in a database, and can run it from anywhere. This is called a stored procedure or function . Stored function: There is a return value, after creation is completed, through the Select function () from dual;Stored procedure: Because there is no return value, after creation is complete, you cannot use the SELECT statement, only the PL/SQL blocks can be used

--Basic structureDECLARE--Variable declaration section: this declares the variables, types, cursors, and local stored procedures and functions used in PL/SQLBEGIN--Execution part: process and SQL statement, which is the main part of the programEXCEPTION--Execution Exception section: Exception HandlingEND;--pl/sql Basic specification: all reserved words, roacle built-in functions, packages, and user-defined

3.1 using DML in PL/SQLIn the PL/SQL block, the two variables are assigned the value of a. : = Initialize. B. The SELECT INTO syntax, the declaration portion of a PL/SQL block is declared, and later can be assigned using a SELECT statement.3.1.1 Variable initialization using SELECT INTO syntaxSelect A to v_a INSERT into xxx (table) (XA) VALUES (v_a)3.1.2 using DM

can distinguish between inner and outer loops, and you can exit the outer loop directly in the inner loop. When writing PL/SQL blocks, you can use the Declareresult int;BeginFor I in 1..100 loopFor j in 1..100 LoopResult:=i*j;Exit outer when result=1000;Exit when result=500;End loop inner;Dbms_output.put_line (result);End loop outer;Dbms_output.put_line (result);End/As shown above, when a PL/SQL block is e

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 statements can be called directly in Java Simple Introduction Write a stored procedure in Sql-plus that can add records to a table. First step: Create a tableCREATE TABLE mytest (name v