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Original address: http://www.2cto.com/database/201405/305452.html1.Oracle Database Export Steps1.1 Tools→export User Objects ... option to export the. sql file.Note: This step exports the built-in statements (including the storage structure), excluding the data in the table, and the tools→export Tablesis required to export the data.1.2 Tools→export Tables ... Export table structure and dataThe PL/SQL tool contains three ways to export the Oracle table

Label: The execution and exception parts of PL/SQL in Oracle I. The executive section of PL/SQL. An assignment statement. Assignment statements are divided into two types, one defining a variable and then receiving the user's IO assignment, and the other is assigning a value to the SQL query result. 　　　Examples of user assignments:　　 Set serveroutput on; Accept ABC Prompt ' Please enter the

1. stored Procedures, functions, and triggers are all written in plsql. the process, function, and trigger are in the Oracle database. plsql is a very powerful database process Language 4. stored Procedures and functions can be used to call more Oracle Data in Java. video tutorial: 2.taobao.comitem.htm? Id42922011874spm686.1000925.0 1. stored Procedures, functions, and triggers are written in pl/SQL. procedures, functions, and triggers are 3.

Special Copy in PL/SQL DEVELOPER) -- Excerpt from PL/SQL syntax 6.0 Chinese PDF help manual If you are using PL/SQL Developer to write SQL and PL/SQL code, then you need to use code in other tools, such as programming languages such as 3GL, you may need to convert the code to a slightly different format. Let's assume t

PL/SQL Exception error handling and plsql error handlingZookeeper Exception HandlingA good program should be able to correctly handle all kinds of errors and recover from errors as much as possible. ORACLE provides EXCEPTION and exception handler for error handling. ① There are three types of exception errors:1. Predefined ErrorThere are about 24 predefined ORACLE exceptions. To handle this exception, you do not need to define it in the program. ORACL

How to view the package or table structure reports ora-01460 in PL/SQL developer today someone reported that a database cannot view the package or table structure in PL/SQL developer. The character set of the server and client is inconsistent.Check that the character set of the database is zhs32gb18030.Select * from V $ nls_parameters t where T. Parameter like '% characterset % ';Parameter ValueNls_charact

Oracle is a large database with a C/SClient/Server structure. It is mainly used in the 4GLSQL language and has the advantages of being powerful, simple, and easy to learn. The working process of the C/S structure is: when the client c end) inputs and sends an SQL statement, it will be sent to the server S end through the network ), the result is analyzed and executed, and then returned to the client through the network. At this time, the client can send an SQL statement. It can be seen that the

Oracle Database: PL/SQL cursor overview, oracleplI. cursor Concept Literally, it refers to a swimming cursor, which is a handle or pointer pointing to the context area. When performing the CRUD operation in the PL/SQL block, ORACLE allocates a context zone for it in the memory. The database language used to describe the cursor is the location entity mapped to a row of data in the context result set. You can

Tags: Nextval SQL statement throws exception handling implicitly no i+1 func has a1. Database design: For user-specific needs, then we create a most practical and high performance database! Steps for database design: 01. Demand Analysis 02. Conceptual Structure Design 03. Logical Structure Design 04. Physical Organization Design 05. Implementation of the database 06. Operation and maintenance of the database 3 major paradigms of the database: 1. Ensure the atomicity of each column! Each column i

Label:To quickly use PL/SQL developer for Oracle database-related development, summarize some of the more frequently used tips below, from the network and your own tests 1. Switch schema --switch SchemaAlter session set current_schema= PO; --get Current Context informationSelectSys_context ('USERENV','Current_User') Current_User, Sys_context ('USERENV','Current_schema') Current_schema fromDual 2. PL/SQL

Note:The tables used in the following test cases are derived from the Scott scenario, before use, make sure that the user is unlocked.1. IntroductionAs with most programming languages, when you write a PL/SQL program, you can define constants and variables that are included in the PL/SQL program:A, scalar type (scalar)B, composite type (Composite)C, reference type (Refrence)D, LOB (large object) typeHere is

Label:Variables and data types can be defined in a PL/SQL block, which makes the PL/SQL block more flexible with data processing. The definition of variables and types is placed in the variable Declarations section of the PL/SQL block. Definition and use of variables There are two types of definitions for variables, namely:Variable name TYPE [constraint][default

section is generally placed in the second half of the PL/SQL program body, with the following structure:EXCEPTIONWhen First_exception ThenWhen Second_exception ThenWhen OTHERS and END;Exception handling can be arranged in a random order, but the others must be placed at the end.③ pre-defined exception handlingThe handling of such anomalies is only required in the exception handling section of the PL/SQL bl

Win8 x64 PL /SQL Enter user name password, connect times wrong:650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M02/6E/22/wKioL1V1B3jz5PutAAFWFtrv114122.jpg "title=" 10.png "alt=" Wkiol1v1b3jz5putaafwftrv114122.jpg "/>Environment:1.win 8 64bit as a client, install the client650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M01/6E/26/wKiom1V1BeiTYDtoAAA2FjZX5OE301.jpg "title=" 11.png "alt=" Wkiom1v1beitydtoaaa2fjzx5oe301.jpg "/>Unzip, instal

Label: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 p

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