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🔥🔥🔥Intellipaat SQL training: 🤍 🔥🔥🔥Intellipaat PL/SQL training: 🤍 🡆In this video on SQL vs PL/SQL you will understand about the difference between these two and which one should you use for better performance. So in this PLSQL vs SQL comparison some important parameters have been taken into consideration to tell you the difference between SQL and PLSQL & also which one is preferred over the other in certain aspects in detail. #PLSQLvsSQL #DifferencebetweenSQLandPLSQL #SQLandPLSQL #Intellipaat #SQLvsPLSQL 📌 Do subscribe to Intellipaat channel & get regular updates on videos: 🤍 📕Read complete SQL tutorial here: 🤍 📔 Get SQL Server cheat sheet here: 🤍 📰 Interested to learn SQL still more? Please check similar SQL blogs here:- 🤍 Are you looking for something more? Enroll in our MS SQL Server course and become a certified SQL professional (🤍 It is a 16 hrs training where you can learn SQL through instructor led training provided by Intellipaat which is completely aligned with industry standards and certification bodies. If you’ve enjoyed this sql vs pl sql video, Like us and Subscribe to our channel for more similar informative video. Got any questions about sql vs pl sql when to use? Ask us in the comment section below. Intellipaat Edge 1. 24*7 Life time Access & Support 2. Flexible Class Schedule 3. Job Assistance 4. Mentors with +14 yrs 5. Industry Oriented Course ware 6. Life time free Course Upgrade Why should you opt for a SQL career? SQL optimization has always been a popular topic in database management. SQL Database optimization can be an extremely difficult task, in particular for large-scale data wherever a minute variation can result or impact drastically on the performance. So learning this skill will definitely help you grab the best jobs in top MNCs after finishing Intellipaat SQL online training. The entire Intellipaat SQL course is in line with the industry needs.There is a huge demand for SQL certified professional. The salaries for SQL professional are very good. For more information: Please write us to sales🤍intellipaat.com or call us at: +91-7847955955 Website: 🤍 Facebook: 🤍 Telegram: 🤍 Instagram: 🤍 LinkedIn: 🤍 Twitter: 🤍
This course will give you a full introduction into all of the core concepts in Oracle PL/SQL
Download the session ppt here: 🤍 3:05 - Procedures 6:48 - Cursors 15:13 - Functions 16:36 - Triggers 21:35 - Package 23:59 - Exceptions
PL/SQL is basically a procedural language, which provides the functionality of decision making, iteration and many more features of procedural programming languages. PL/SQL can execute a number of queries in one block using single command ► Full course of Structured Query Language (SQL): 🤍 ►Subscribe to our new channel: 🤍 Other subject playlist Link: ►Design and Analysis of algorithms (DAA): 🤍 ►Operating System: 🤍 ► Theory of Computation 🤍 ►Artificial Intelligence: 🤍 ►Computer Architecture: 🤍 ►Computer Networks: 🤍 ►DBMS 🤍 ►Discrete Mathematics: 🤍 ►Compiler Design: 🤍 ►Number System: 🤍 ►Cloud Computing & BIG Data: 🤍 ►Software Engineering: 🤍 ►Data Structure: 🤍 ►Graph Theory: 🤍 ►Programming in C: 🤍 - Our social media Links: ► Subscribe us on YouTube: 🤍 ► Like our page on Facebook: 🤍 ► Follow us on Instagram: 🤍 ► Follow us on Telegram: 🤍 ►For Any Query, Email us at: gatesmashers2018🤍gmail.com ►Be a Member & Give your Support on the below link: 🤍
Temas a tratar: Características del lenguaje PL/SQL. Cuáles son los beneficios del lenguaje PL/SQL. Cuál es la estructura un bloque PL/SQL. Cuáles son los diferentes tipos de bloques PL/SQL. Cómo construir y ejecutar un bloque PL/SQL usando la herramienta SQL Developer. Cómo usar el Package DBMS_OUTPUT para visualizar alguna salida del bloque PL/SQL. Cuáles son los errores de compilación de un bloque PL/SQL Anónimo más comunes. Qué son las variables en PL/SQL. Consideraciones y buenas prácticas al definir variables. Tipos de Variables que se pueden usar en PL/SQL. Cómo definir y usar variables Escalares. Cómo usar la sentencia SELECT para obtener información en un Bloque PL/SQL.
오라클 PL/SLQ이란? PLSQL개요, 작성방법, 기본문법에 관해 설명한 동영상 입니다. 강의자료 : 🤍 PL/SQL 이란? PL/SQL은 PROCEDUAL LANGUAGE/SQL의 약어로 “SQL 구문을 절차적인 형태로 프로그래밍 할 수 있게 한 SQL의 확장” 입니다. PL/SQL은 BEGIN~END 사이에 PL/SQL 코드를 기술하여 비지니스 로직 처리를 하는데 DML문, 절차적 언어의 IF문과 같은 제어문, 반복문(LOOP~END LOOP) 등을 사용하여 SQL을 이용하여 프로그래밍이 가능하도록 한 것입니다. PL/SQL은 DECLARE로 선언되는 익명 블록과, 값을 반드시 리턴하는 함수(FUNCTION), 실행만 하는 프로시저(PROCEDURE), 트리거링 이벤트에 의해 자동 실행되는 프로시저인 트리거(Trigger), 비슷한 기능을 하는 함수, 프로시저를 묶어 놓은 패키지 등이 있습니다. 익명 블럭은 오라클 서버에서 컴파일되어 SGA의 SHARED POOL에 위치시키지만 소스코드와 컴파일된 코드를 별도로 저장하지는 않습니다. 함수나 프로시저, 패키지, 트리거는 STORED PROGRAM 이라 하며 데이터베이스 SCHEMA OBJECTS로 저장되고 호출되어 실행된다. PL/SQL로 작성된 구문중 절차적 언어와 같은 구문, PL/SQL 기본문법구문은 PROCEDUAL STATEMENT EXECUTOR에서 실행하고 SQL구문은 SQL STATEMENT EXECUTOR에서 실행 합니다. PL/SQL 프로그램은 오라클 서버에서 컴파일 되고 저장되며, 클라이언트에 의해 호출되어 실행 됩니다 PL/SQL 장점 BEGIN~END와 같은 블록 구조를 가지므로 블록 안의 여러 SQL 구문이 한번에 서버로 전송되므로 수행속도가 향상되고 통신량도 줄일 수 있습니다. 블록안에 또 다른 블록을 포함하는 형태로 코드를 모듈화 할 수 있습니다. 단일형 데이터 타입(SCALAR DATA TYPE), 복합데이터 타입(COMPOSITE DATA TYPE), 상수 등 여러 형태의 변수 선언이 가능하다. 테이블의 컬럼을 참조하는 동적 변수를 정의 할 수 있습니다.(%TYPE, %ROWTYPE) IF문과 같은 조건문을 사용할 수 있습니다. LOOP~END LOOP, FOR..LOOP~END LOOP, WHILE .. LOOP~END LOOP와 같은 반복문을 사용할 수 있습니다. Exception절을 이용하여 프로그래밍 언어처럼 예외(오류)를 처리 할 수 있으며 사용자 정의 예외의 사용도 가능 합니다. PL/SQL 작성방법 명령문의 종료는 세미콜론(;) 입니다. CREATE 구문을 사용했다면 실행을 위해 마지막에 슬래시(‘/’)가 필요 합니다. 익명의 블록을 만들기 위해서는 DECLARE 구문으로, 이름있는 블록을 만들기 위해서는 CREATE 구문을 사용해야 합니다. 하나의 BEGIN에 대응되는 END 구문은 하나이며 세미콜론(;)으로 끝나야 하고, END 다음에 CREATE 구문에서 사용된 함수나 프로시저의 이름을 써줘도 된다. create procedure A as … begin … end A; / Declare로 선언된 익명블록인 경우 컴파일시 에러가 발생하면 에러 코드/메시지를 하단에 보여주지만 CREATE로 시작하는 함수나 프로시저는 오류 발생시 SHOW ERRORS(ERROR)로 확인해야 한다. SHOW ERRORS LINE/COL ERROR - 10/13 PL/SQL: SQL Statement ignored 11/10 PLS-00201: ‘EMP.SAL' ….. PL/SQL 블록 구조 DECLARE Variable declaration BEGIN Program Execution …… EXCEPTION Exception handling …… END; [PL/SQL 블록 구조] Declare절 : 선언부로써 필수는 아님, 변수 or 커서 등을 선언한다. 이름을 정의하고 재 사용할 PL/SQL 블록을 만들기 위해서는 CREATE구문을 사용해야 합니다. - 변수선언예 goodsNo NUMBER(4); isLogin BOOLEAN; ename VARCHAR2(20); - 커서 선언 예 Declare Cursor cEmp is select empno, ename from emp where deptno = 10; Begin …… End; / Begin ~ End절 : 필수 요소이며 절차적 언어의 특징 및 SQL을 사용하여 비즈니스 로직을 구현 합니다. Exception절 : 예외처리절(프로그래밍 언어의 CATCH구문) 입니다. [PL/SQL 예문1] FOR LOOP예제 SET SERVEROUTPUT ON DECLARE BEGIN FOR x IN 1..10 LOOP DBMS_OUTPUT.PUT_LINE(x); END LOOP; END; / 1 … 10 FOR LOOP예제(REVERSE) DECLARE BEGIN FOR x IN REVERSE 1..10 LOOP DBMS_OUTPUT.PUT_LINE(x); END LOOP; END; / 10 9 …
sql vs pl/sql vs mysql | sql vs tsql | pl sql vs tsql | sql vs pl/sql | ansi sql vs tsql | sql vs mysql vs sql server Text version of the video and SQL scripts 🤍 SQL Server Tutorial for beginners 🤍 SQL Server Interview Questions and Answers 🤍 SQL Server Performance Tuning and Query Optimization 🤍
Пошаговый курс программирования в PL/SQL. ORACLE. Урок 1. Часть 1. Структура PL/SQL. Весь курс: 🤍 Уроки программирования в ORACLE для начинающих. Пожалуйста, заходите на сайт 🤍 раздел ОБУЧЕНИЕ - Программирование в PL/SQL. ORACLE. #УрокиPLSQL #БазыДанных #ORACLE #Prime-Soft.Biz #КурсыПрайм #ОбучениеSQL #SQL #ИльяХохлов #ХохловИлья #SQL_уроки #Оракл
How do you deal with PL/SQL code maintenance and code analysis ? An effective code management strategy emphasizes code tracing, profiling, testing and reporting. In this session, Shashank Bark returns to offer best practices and useful techniques to analyze PL/SQL code using various data dictionary views, initialization parameters, and built-in packages. 1. Tracking exceptions in PL/SQL code 2. Tracing and generating reports on PL/SQL source code using DBMS_METADATA package 3. PL/Scope toola 4. Getting the most out of DBMS_UTILITY.FORMAT_CALL_STACK
Morten Braten will close out a year of PL/SQL Office Hours sessions presenting his favorite aspects of this wonderful database programming language. "In a world where programming languages and frameworks come and go, I like the simplicity and stability of PL/SQL. I have worked with it for over 20 years, and I still have code that was originally written for Oracle 7 that runs happily in production to this day. If used properly and to its full capability, PL/SQL is a powerful, elegant and fun tool. Let's see how..."
The Difference Between an SQL Developer & a PL/SQL Developer. Part of the series: Computers & Tech Tips. The differences between a Sequel programmer and a PL/Sequel programmer are numerous and important. Learn the differences between a Sequel programmer and a PL/Sequel programmer with help from a software engineer with broad and extensive experience in this free video clip.
In this PL/SQL interview questions and answers video you will see the top questions that are usually asked in the PL/SQL interview process. We have collected these PL/SQL Interview Questions based on extensive research so that you can include this in your PL/SQL interview preparation. We have tried to cover all the concepts so that you clear the interview with ease. Intellipaat Training courses: 🤍 Intellipaat is a global online professional training provider. We are offering some of the most updated, industry-designed certification training programs which includes courses in Big Data, Data Science, Artificial Intelligence and 150 other top trending technologies. We help professionals make the right career decisions, choose the trainers with over a decade of industry experience, provide extensive hands-on projects, rigorously evaluate learner progress and offer industry-recognized certifications. We also assist corporate clients to upskill their workforce and keep them in sync with the changing technology and digital landscape. #plsqlinterviewquestionsandanswers #plsql #sql #interviewquestions #intellipaat 📌 Do subscribe to Intellipaat channel & get regular updates on videos: 🤍 Intellipaat Edge 1. 24*7 Life time Access & Support 2. Flexible Class Schedule 3. Job Assistance 4. Mentors with +14 yrs 5. Industry Oriented Course ware 6. Life time free Course Upgrade For more information: Please write us to sales🤍intellipaat.com or call us at: +91-7847955955 Website: 🤍 Facebook: 🤍 Telegram: 🤍 Instagram: 🤍 LinkedIn: 🤍 Twitter: 🤍
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A collection is an ordered group of elements having the same data type. Each element is identified by a unique subscript that represents its position in the collection. PL/SQL provides three collection types − Index-by tables or Associative array Nested table Variable-size array or Varray Here we have also discussed different collection methods as well as different collection exceptions. Please like & share the video. Subscribe the Channel to keep watching interesting videos helpful for your career growth: 🤍 Checkout different playlists: PLSQL Tutorial : 🤍 Learn DBMS & SQL : 🤍 SQL Interview Questions and answers: 🤍 Java Interview Questions and Answers : 🤍 IT Career guidance: 🤍 Interview Tips : 🤍 IT Essentials and Tricks : 🤍 Checkout Important videos : Top 30 SQL Queries Interview Questions and Answers : 🤍 Top 50 SQL Concepts Interview Questions and Answers : 🤍 Employee earning maximum salary in each department query : 🤍 How to delete duplicate rows from any table (2 different solutions): 🤍 How to find Nth highest salary (3 different solutions): 🤍 Tricky SQL Queries Part1 : 🤍 Basics of Database : 🤍 SQL OPERATORS : 🤍 AGGREGATE FUNCTION: 🤍 GROUP BY : 🤍 Solve any Date related query : 🤍 How to use Substring : 🤍 How to practice SQL Queries in local / Install Database in local : 🤍 IT Jobs without Coding : 🤍
Oracle PL/SQL is an extension of SQL language, designed for seamless processing of SQL statements enhancing the security, portability, and robustness of the database. This PL/SQL online programming course explains some important aspect of PL SQL language like block structure, data types, packages, triggers, exception handling, etc. 0:00 - Introduction 0:30 - Question 1 3:28 - Question 2 4:40 - Question 3 6:17 - Question 4 8:51 - Question 5 ► Full course of Structured Query Language (SQL): 🤍 ►Subscribe to our new channel: 🤍 Other subject playlist Link: ►Design and Analysis of algorithms (DAA): 🤍 ►Operating System: 🤍 ► Theory of Computation 🤍 ►Artificial Intelligence: 🤍 ►Computer Architecture: 🤍 ►Computer Networks: 🤍 ►DBMS 🤍 ►Discrete Mathematics: 🤍 ►Compiler Design: 🤍 ►Number System: 🤍 ►Cloud Computing & BIG Data: 🤍 ►Software Engineering: 🤍 ►Data Structure: 🤍 ►Graph Theory: 🤍 ►Programming in C: 🤍 - Our social media Links: ► Subscribe us on YouTube: 🤍 ► Like our page on Facebook: 🤍 ► Follow us on Instagram: 🤍 ► Follow us on Telegram: 🤍 ►For Any Query, Email us at: gatesmashers2018🤍gmail.com ►Be a Member & Give your Support on the below link: 🤍 #likecommandSQL#dbms
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Hello Friends Welcome to Bang On Theory(BOT), In this video we are going to share with you: Oracle PL/SQL Tutorial for beginners 2020 TELEGRAM group link - 🤍 #plsqltutorialforbeginners #oracleplsqltutorial #plsqltutorial #plsqltutorialinhindi #PLSQL #plsqlforbeginners #plsqlbasics #plsqlprocedures #plsqlcursor #plsqlfunctions #plsqltriggers #plsqlvssql #oracleplsql #PLSQLtutorialforbeginners #PLSQLtutorialinhindi #plsqlinterview #plsqlinhindi We also provides tips and updates regarding: Placements & Jobs Recruitment and Internships for all batches of B.TECH/B.E,M.TECH,M.E,B.SC.. DIPLOMA Undergraduate, Graduate for CSE,EEE,CE,ECE,IT... all Stream Students. Official website Link - 🤍 Thank you friends.. Please Support our channel by #Subscribe our channel #Like #Share our videos .. If you have any problem you can freely comment... Disclaimer : On Bang on Theory Channel, We are Providing- 1 - Latest Job and Internship Updates 2 - Information of websites and companies which provide Online Courses with Certificates 3 - Latest Online Internships and Job Updates. 4- Placement Prepration Content 5 - Programming Tutorial Series The content in this useful video is strictly for Educational and Informational purposes only. Copyright Disclaimer Under Section 107 of the Copyright Act 1976, allowance is made for "fair use" for purposes such as criticism, comment, news reporting, teaching, scholarship, and research.
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This video demonstrates the concept of how to insert record in PLSQL using procedure with message. Parameterized procedure is created with message to show record inserted successfully. For Learning More about Programming Subscribe to My Channel: 🤍
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#JUSTIN#ORACLE#SQL#TAMIL#oracle#sqlinterviewquestions#sqlinterviewquestionsandanswers 🌕Want to join WhatsApp Group? (Only technical discussion, no spam messages, no promotion msg) 📌Oracle-PLSQL 🤍 * Oracle SQL - Complete tutorial Playlist 🤍 * Oracle PL/SQL - Complete tutorial Playlist 🤍 * Oracle SQL Day wise Video: Oracle SQL in Tamil - Day 1 - 🤍 Oracle SQL in Tamil - Day 2 - 🤍 Oracle SQL in Tamil - Day 3 - 🤍 Oracle SQL in Tamil - Day 4 - 🤍 Oracle SQL in Tamil - Day 5 - 🤍 Oracle SQL in Tamil - Day 6 - 🤍 Oracle SQL in Tamil - Day 7 - 🤍 Oracle SQL in Tamil - Day 8 - 🤍 #oracle#sqlinterviewquestions#sqlinterviewquestionsandanswers In this video, we’ll learn what the Oracle PL SQL ( PL/SQL) statement does and how you can use it. How to start with PLSQL code pl sql books oracle pl sql books pl sql online course best pl sql course online pl sql developer course pl sql training online pl sql certification online pl sql course plsql procedure plsql function package in plsql pl sql stored procedure plsql tutorial oracle pl sql videos in tamil oracle pl sql tutorial in tamil PL/SQL tutorial in tamil - Introduction Oracle - Pl/SQL - Introduction oracle pl sql tutorial in tamil oracle pl sql full course oracle pl sql real time projects oracle real time scenarios oracle pl sql tutorial in tamil oracle pl sql tutorial for beginners oracle pl sql interview questions pl sql interview questions for 7 years experience PL/SQL tutorial in tamil - Introduction
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チルノのパーフェクトゆっくりPL/SQL教室がとうとう開講です。 なんと世界初のゆっくりによるPL/SQL教室です。 普段はバカを装っているらしいチルノですが、天才の片鱗を見せる事ができるでしょうか？ １時限目は、「無名ブロック」を使用してPL/SQLの入門を目指します。 生徒役の霊夢と魔理沙の命運はいかに・・・何故かの青空教室でグラサンが迫る！！ ▼チルノ先生の授業内容 無名ブロックを使用してオラクル「PL/SQL」の入門を目指します。 ツールとしては「Sql developer」を使用します。Oracle社純正のツールです。 最初の一歩として、超短いコーディングで無名ブロックの実行を行います。 BEGIN NULL; END; オラクルは無償で環境構築可能です。 自宅でゆっくり入門してみて下さいね(#^^#) ★オラクルの無償版が下記からダウンロード可能です 🤍 ★Sql developer は下記からダウンロード可能です 🤍 ◆PL/SQLでチルノに質問要望があれば、ブログ、各SNSからどうぞ～。可能な限り対応してくれると思います。パーフェクトですから～ ▼ブログでもゆっくりやっています 🤍 ▼チャンネル登録お願いします(#^.^#) 🤍 ▼▼▼▼SNSも宜しくお願いします ▼こっぷのツイッター 🤍 ▼こっぷのFacebook 🤍 ▼こっぷのInstagram 🤍 #PLSQL #データベース #プログラム
Introdúcete en el lenguaje de bases de datos PL/SQL conociendo algunos conceptos básicos sobre el mismo. ►► Suscríbete para seguir ampliando tus conocimientos: 🤍 Lee el artículo completo aquí: 🤍
مرحبا بكم فى الدرس الاول من سلسلة تمارين أوراكل PL/SQL: الهدف من التمارين هو التدريب على حل المشكلات المختلفة و التعود على كتابة أكواد PL/SQL رابط تحميل شيت الاسئلة: 🤍 ......................................................... لو عندك اى سؤال خش على الجروب : 🤍 .......................................................... لمتابعة كل ماهو جديد من خلال صفحتنا 🤍 ........................................................... تواصل معانا علي موقعنا من هنا : 🤍
🤍 Hey guys! I am TJ Abrahamsen, with OracleTuts. In this video I will show you how you can use PL/SQL Developer from Allround Automations to import a text file, in my case a .CSV file into a simple table. This tool can be used for many types of data imports into an Oracle table. I hope you find the little video helpful. ~ TJ
Introducción al lenguaje PL/SQL Características, arquitectura y estructura de bloques Soporte para consultas, gestión de excepciones y Programas almacenados
Please join the group on telegram for notes Link: 🤍 1st Session on learning PL/SQL concepts for TCS WIngs 1 and SQL in general In this session we will be learning about the basics in PLSQL. Online Compiler for SQL Practice 🤍 Do drop your queries/suggestions in the comments. Let me know, which subjects or topics to cover in the comments. Don't forget to have a look at the tips and strategy video to follow before appearing for the actual assessment in May Cycle or August Cycle or November Cycle. Link for Tips and Strategy Video: 🤍 The tips and strategy discussed holds good for all cycles and all assessments. Also Do not forget to check your preparedness for the actual assessment, have a look at: DCA ORACLE PL/SQL MAY ASSESSMENT COMPLETE MCQ ANSWERS WITH EXPLANATION Link here: 🤍 This will help with TCS Wings 1 Elevate Program, which is for NINJA candidates to become Digital Candidates. We have multiple playlists available on the channel for your DIGITAL Wings 1 Preparation: Check them out: DCA Oracle PLSQL - 🤍 Biz Skills 2 (Track 2) - 🤍 Articulation (AOA) - 🤍 May 2022 Questions - 🤍 Videos regarding: How to upgrade from TCS Ninja to TCS Digital? Ways to crack Digital in TCS? How to prepare for Oracle PLSQL? What is Elevate wings 1 in TCS? #dca #elevatewings1 #tcs #tcsdigital #tcs_pattern #crackdigital #tcsdigitalpreparation #TCSDCA #tcsoracle #TCSElevate #TCSElevateDCA2023 #TCSElevateRegistration #learnwithatul This channel focuses on: #TCS wings 1 with Atul #tcs elevate wings 1 #tcs digital preparation with Atul #tcs wings 1 preparation with Atul #tcs elevate wings 1 dca by Atul #tcs elevate wings 1 program by Atul
Basics, variable, Operators,Control statments ( if , if else, if elsif , case, loop, while, for loop, cursor loop) , %type , %rowtype, select into, cursor, procedure, calling procedure, function , trigger, built in functions- string-numeric etc .
A linguagem SQL (Structured Query Language) é a linguagem padrão na manipulação de bancos de dados relacionais. O núcleo básico e padrão desta linguagem é mantido pelo American National Standards Institute (ANSI) e qualquer fornecedor de SGBD que queira adotar o SQL como base em seu produto deve seguir este padrão. Entretanto, o padrão ANSI permite que estes fornecedores possam estender o padrão base, criando versões próprias da linguagem SQL. A linguagem PL/SQL é a extensão ORACLE da linguagem SQL. O padrão base da linguagem SQL oferece apenas comandos de manipulação de dados como leitura, gravação, alteração e remoção de registros. Para processar uma regra de negócio, ainda são necessários comandos de controle de fluxo, tratamento de exceções (falhas) e manipulação de objetos entre outros. A linguagem PL/SQL estende o SQL adicionando o que é necessário para a construção de códigos de missão crítica a serem executados pelo próprio SGBD. Veremos então, alguns aspectos gerais desta linguagem: • Construção em blocos de código; A linguagem PL/SQL é estruturada através de blocos de código que são executados diretamente pelo banco de dados. O banco de dados armazena, executa e disponibiliza estes blocos de código para a utilização pelas aplicações. Desta forma, regras que sejam inerentes aos dados e sua segurança são definidas e mantidas em uma única plataforma - o SGBD - evitando a duplicidade destas definições entre as várias aplicações que necessitem acessar os mesmos dados. Um bloco de código é a estrutura principal de um programa PL/SQL. Estes blocos de código são construídos de forma estruturada e podem conter também, de forma aninhada, outros blocos de código. Sua estrutura pode ter três seções: - DECLARE: seção onde se declaram as variáveis, constantes e cursores. Uma vez que nem sempre os códigos necessitam destas declarações, esta seção é opcional; - BEGIN.. END: é a seção que contém as instruções que concretizam o objetivo do bloco, portanto é uma seção obrigatória. As cláusulas BEGIN e END assinalam o início e o fim desta seção no bloco; - EXCEPTION: seção em que se codifica o tratamento de exceções. Nesta área devem ser codificadas instruções para o recebimento e tratamento do código de erro enviado pelo SGBD ao efetivamente executar o bloco de código. • Nomeação de objetos e variáveis, e operadores lógicos disponíveis no PL/SQL; Ao nomear objetos e variáveis, a linguagem PL/SQL permite os seguintes caracteres: Caracteres: A à Z (maiúsculos e minúsculos), Números de 0 a 9 e Caracteres especiais. Ainda, ao nomear objetos e variáveis, devemos observar algumas limitações: - A quantidade máxima de caracteres é 30; - Palavras reservadas, como aquelas que nomeiam instruções ou objetos do próprio PL/SQL não podem ser usadas; - Podem ser usados letras, números e alguns caracteres especiais; - O primeiro caractere de um identificador deve obrigatoriamente ser uma letra. • Procedures, funções, triggers e packages no PL/SQL; Procedures (procedimentos), funções, triggers (gatilhos) e packages (pacotes) são blocos de código armazenados e executados pelo SGDB, e cada um deles possui finalidade e modos de execução específicos: - Procedures: são blocos de código cuja execução é muito recorrente e quando programados para serem executados diretamente pelo SGBD, apresentam alto desempenho, uma vez que os dados não precisarão trafegar pela rede. Aceitam passagem de parâmetros e podem ser acionados por uma aplicação. - Funções: as funções são blocos de código com a mesma estrutura e finalidade de uma procedure, porém podem retornar valores para aplicação pela qual foram acionadas; - Triggers: são blocos de código disparados automaticamente, mediante eventos associados às tabelas do banco de dados, como por exemplo eventos de gravação ou exclusão de registros. Diferente das procedures, uma trigger não aceita passagem de parâmetros e não pode ser acionada por uma aplicação. É acionada de forma automática pelo SGBD, unicamente pelo evento para a qual está programada; - Packages:são utilizados como uma biblioteca de objetos PL/SQL, e agrupam objetos que possuem alguma relação entre si. Alguns destes objetos podem ser procedures, triggers, estruturas de dados ou tratamento de exceções. /// Sobre a Fullture Somos uma escola focada em desenvolver os profissionais que o Brasil (e o mundo) precisa, estabelecendo uma ponte entre profissionais e empresas. - Saiba mais em 🤍 ///Siga-nos - Facebook: 🤍 - Instagram: 🤍
PL/SQL Nested Loops & Loop Labeling - PRACTICAL DEMO OF FOR LOOP, NESTED FOR LOOP -~-~~-~~~-~~-~- Please watch: "How to create plsql local subprogram in oracle database in simple steps" 🤍 -~-~~-~~~-~~-~-
Tipos de datos en PL/SQL, Identificadores, variables, constantes y literales, Operadores, Funciones predeterminadas y comentarios, Estructuras de Control, Subprogramas
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