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I usually encounter some problems in PL/SQL programming. I will summarize them in the form of Q A for you to share. 1. Can pipelines be used to improve processing efficiency when you need to load a large amount of data streams to a table or process a large amount of data streams?MPs queue functions are very convenient for improving the performance of parallel queries. they speed up data loading to tables.

PL/SQL script language value assignment statement syntax table and record comply with the type usage, select the statement if else usage anonymous block (1), assign value statement syntax PL/SQL values use: = "=" some rules need to be observed in the comparison operator value assignment statement: the character type mu

1. About PL/SQLStands for "Procedural Language extension to SQL"Is Oracle Corporation's standard data access language for relational databasesProdides a block structure for executable units of code2. PL/SQL Block StructureDECLARE (Optional)-Variables, cursors, User-defined conditionsBEGIN (mandatory)-

I found a This book starts with some of the most basic knowledge and works with easy-to-understand examples to help you get started with simple knowledge points at and then go deeper step by step, each step will be used in concert with the example to explain to you. One small step at a time is the foundation of the next step, until the usage is relatively advanced. Oracle10g PL/SQL programming tutorial b

PL/SQL Developer is an integrated development environment that specializes in developing applications for Oracle databases. At the same time, PL/SQL is a procedural languageCalled the process SQL language (procedural language/sql)

This article describes how to set the shortcut keys for PLSQL in Oracle databases, including setting MyObjects, remembering the password, and double-clicking the display table by default. This article describes how to set the shortcut keys for PL/SQL in Oracle databases, including setting My Objects, remembering the password, and double-clicking the display table by default. This article describes how

The features of automatic PLSQL running in ORACLE: In the UNIXDE corn utility, the automatic scheduling task runs in PLSQL in ORACLE. The DBMS_JOB package allows you to schedule PLSQL Features of automatic PL/SQL running in ORACLE: Use the DBMS_JOB package in the UNIXDE corn utility to automatically Schedule Tasks running in ORACLE's PL/

Scalar data types are essential. Needless to say, you must master them. The following describes PL/SQL Composite data types. Composite TypeThe composite type can store multiple values, including records and sets. A set is one-dimensional, but can be put into another set in the set to become a multi-dimensional set. The set is divided into three types: index table, nested table, and variable-length array. T

Process Pl/sql is a mainstream application programming language based on Oracle, which is characterized by a combination of SQL statements and procedural development languages to achieve more complex business logic. This article mainly discusses the multiple process communication.Obviously, multi-process technology is used to improve the concurrency of the applic

Tags: how to set PL/SQL date display format, PL/SQL date displayJoke: In entering the company for a period of time, will always meet a variety of small problems, but finally still "looking for Niang, ask Google" solutionThe decision. But recently the company introduced a few new recruits, small problems a bunch of,

Pl/sql Developer is the primary tool for importing or exporting databases in an Oracle database, this article mainly introduces the process of importing and exporting databases using Pl/sql developer, and describes some of the considerations when importing or exporting, and then we introduce them. Export Step:1 Tools->

Label:Easy to use PL/SQL developer Related settings some time ago, the company internal Training PL/SQL related knowledge, here I think very convenient settings to share to everyone. 1. When using PL/SQL developer, it is convenien

select; for example, enter SF, press space, automatically replaced by select * from, very convenient, save a lot of time to write duplicate SQL statements.Setup method: Menu Tools–>preferences–>editor–>autoreplace (auto-replace) –>edit1), create a text file Shortcuts.txt, and write the following content:S=selectCopy code is saved to the ~/plugins directory under the PL/

Label:A cursor is a private workspace that holds the results of the execution of an SQL statement.When executing an SQL statement, the database server opens a workspace where the results of the SQL statement are saved.There are two forms of cursors in the Oracle database: implicit and explicit cursors.Implicit cursors are defined by the database server, and expli

replaced by select; for example, enter SF, press space, automatically replaced by select * from, very convenient, save a lot of time to write duplicate SQL statements. Setup method: Menu Tools–>preferences–>editor–>autoreplace (auto-replace) –>edit 1), create a text file Shortcuts.txt, and write the following content:S=selectCopy code is saved to the ~/plugins directory under the PL/

Use Instant Client to configure PL/SQL Developer, instantpl Previously PL/SQL Developer was used to directly install the full version of Oracle Database on the local machine. One was easy to use, and the other was able to perform some demo tests on the local machine. Recently, I changed my computer, it seems that the

For PL/SQL connection, 64-bit Oracle has recently changed to 64-bit Win7, and oracle has also changed to 64-bit 11g. After the change, we found that the plsql cannot load the database at all. There are also various changes to version Shenma on the Internet. I don't want to change the version, so I figured out how to make plsql load 64-bit files. Finally, we found a simple problem that could not connect to t

PL/SQL developer is an integrated development environment dedicated to the development of Oracle database storage program units. Nowadays, more and more business logic and application logic are turning to Oracle server. Therefore, PL/SQL programming has become an important part of the entire development process.

What pl/SQL must understand:1. process, function, trigger is pl/SQL programming2. process, function, and trigger are in Oracle3. pl/SQL is a very powerful database process Language4. process. functions can be called in java progra

To put it a little bit, pl/SQL developer needs to install the local Oracle client to connect to remote oracle before using the client configuration. Due to the bloated client, oracle now provides green and small solutions. The following is a detailed description. Environment: xp, pl/SQL developer, Instant Client Questi