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Oracle regular expression part 1 regexp like
 
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Oracle SQL PLSQL and Unix Shell Scripting
Views: 7042 Sridhar Raghavan
Oracle regular expression part 2 extracting substring regexp substr
 
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Oracle SQL PLSQL and Unix Shell Scripting
Views: 3494 Sridhar Raghavan
Oracle Tutorial || online training|| Adv Sql | Regular Expressions by basha
 
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DURGASOFT is INDIA's No.1 Software Training Center offers online training on various technologies like JAVA, .NET , ANDROID,HADOOP,TESTING TOOLS ,ADF,INFORMATICA,TABLEAU,IPHONE,OBIEE,ANJULAR JS, SAP... courses from Hyderabad & Bangalore -India with Real Time Experts. Mail us your requirements to [email protected] so that our Supporting Team will arrange Demo Sessions. Ph:Call +91-8885252627,+91-7207212428,+91-7207212427,+91-8096969696. http://durgasoft.com http://durgasoftonlinetraining.com https://www.facebook.com/durgasoftware http://durgajobs.com https://www.facebook.com/durgajobsinfo......
REGEXP SUBSTR Test
 
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REGEXP_SUBSTR Example
Views: 2256 Mohan Ramaswamy
Oracle regular expression part 3 replace a substring regexp replace
 
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Oracle SQL PLSQL and Unix Shell Scripting
Views: 2065 Sridhar Raghavan
Oracle Regular Expressions intro
 
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An essential Introduction to Oracle Regular Expression
Views: 4405 Mohan Ramaswamy
Oracle regular expression regexp instr
 
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Oracle SQL PLSQL and Unix Shell Scripting
Views: 1385 Sridhar Raghavan
REGEX Tutorial Regular Expressions
 
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Best Regular Expressions Book : http://goo.gl/RFX7eJ Here I explain how Regular Expressions are used. I cover all of the codes and what they are used for. The goal is to teach you how to use regular expressions once and for all.
Views: 322178 Derek Banas
Oracle Database11g tutorials 13 || SQL substr function / SQL substring function
 
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link of SQL substr blog : http://www.rebellionrider.com/SQL-substr-function.htm SQL substr function SQL Substr function will return a sub string of a specified length from the source string beginning at a given position. Tool used in this tutorial is command prompt. This tutorial series is part of SQL expert exam certification training. if you are preparing for SQL certification you can use my tutorials. This SQL Tutorial is a part of free training. Copy Cloud referral link || Use this link to join copy cloud and get 20GB of free storage https://copy.com?r=j7eYO7 Contacts E-Mail [email protected] Twitter https://twitter.com/rebellionrider Instagram http://instagram.com/rebellionrider Facebook. https://www.facebook.com/imthebhardwaj Linkedin. http://in.linkedin.com/in/mannbhardwaj/ Thanks for linking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com ---------------------------------------------------------------------------- As the name suggests SQL Substr function will return substring from a given source string. Let's see the Syntax Substr (source_string, start_pos, Substr_length) As we can see SQL substr function takes 3 parameters. First one is Source string from which you want to extract the segment. Second parameter is Starting position for sub string from the Source string. And the third parameter is Substr_length which is the length for the substring. First two parameters are mandatory to specify while third one is optional. So we can say. SQL Substr function will return a sub string of a specified length from the source string beginning at a given position. First parameter source string can be of any data type CHAR, VARCHAR2, NCHAR, NVARCHAR2, CLOB, or NCLOB whereas both start_pos, Substr_length parameters must be number data type. The returning result of SQL Substr function is of same data type of source string. Let's see an example of SQL Substr function. SELECT substr('www.RebellionRider.com',5,14) FROM dual; Here in this query url of my website www.RebellionRider.com is our source string with the total length of 22 characters, Now, I want to extract the name of my website that is, RebellionRider. So if you count the total length of the name of the website, it is 14. That's why I have specified 14 as my third parameter of SQL Substr function which is substr_length. Also the name of the website RebellionRider is starting from 5th position therefore I have specified 5 at second parameter of SQL substr function which is strt_pos or starting position. Execute it. Here is our result RebellionRider When starting position is larger than the length of source string. In this case SQL Substr function will return NULL as a result. Let's do an example. SELECT substr('www.RebellionRider.com',23,14) FROM dual; As you can see here I have specified 23 at starting position and the total length of our source string is 22 characters Let's execute And the result is Null. Second scenario When the Substr_length is greater than source string In this case the segment return is the substring from starting position to the end of the string. For example SELECT substr('www.RebellionRider.com',5,23) FROM dual; Our starting position is at 5 means at the first R of RebellionRider and length of substring is set to 23 which is greater than the length of source string that is 22. Execute. As you can see we get a substring from first R of RebellionRider till the end of the source String. Third scenario When you supply numeric or arithmetic expression or a DATE instead of character as Source string to SQL Substr function In this scenario If you have supplied a numeric string instead of character as source string, the oracle engine casts them as a character when they occur as parameter to SQL Substr function. And if you have supplied Arithmetic expression or a DATE then The Oracle engine first solves or evaluates the Arithmetic expression or the DATE Then casts them as a character. Means if you have arithmetic expression in your source string then oracle will first solve it and then change or say cast the value of its result into character. Let's see some example. SELECT substr(50000-7,2,4) FROM dual; Oracle first evaluates the arithmetic expression that is 50000-7 equals to 49993. And then oracle engine casts this result 49993 into a character string. Means 49993 will be a 5 characters string. Starting position of substring is 2, that means from the first 9 of 49993 We specified the length of substring is 4 so we must get 9993 as our result. Let's check execute
Views: 75868 Manish Sharma
Oracle Regular Expression - PartIII
 
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Oracle Regular Expression
Views: 553 Mohan Ramaswamy
Oracle Regular Expression - Part I
 
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Oracle Regular Expression Examples - Part I
Views: 6477 Mohan Ramaswamy
Oracle sql 12c Decode regular expression
 
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Decode regular expression in Oracle sql 12c
Views: 145 AnimatedWorld
Oracle SQL - Regular Expression Support
 
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Поддержка регулярных выражений в Oracle SQL, лекция
Views: 393 Aleksandr Kuzmin
09 MySQL Tutorial for Beginners: LIKE + REGEXP Operators, Regular Expressions
 
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You use the LIKE operator to retrieve rows that match a string pattern. The Mask for a LIKE phrase can contain special symbols called "wildcards". Masks aren't case-sensitive. In contrast to the LIKE operator, the REGEXP operator allows you to create complex string patterns known as regular expressions. The mask for a REGEXP phrase can contain special characters and constructs like: - the "caret" (^) symbol matches the pattern to the beginning of the value being tested. - The "dollar sign" ($) symbol matches the pattern to the end of the value being tested. - The "pipe" (|) symbol separates two string patterns and matches either one. - "Square brackets" [] are used to specify multiple values. lf you use the NOT keyword, only those rows with values that don't match the string pattern are included in the result set. EXERCISES for your SELF-TRAINING: http://golearnfast.com/Quizzes.php?_SelectSmallerGroup_286=0&Lessons_ID=286 SCRIPT FOR THE EXAMPLES: http://www.golearnfast.com/files/lessons_material/lesson_277_1440544998.sql SUBSCRIBE! https://www.youtube.com/channel/UCMEaGDoHU7c9tWyafZ9vC6Q?sub_confirmation=1 FACEBOOK https://www.facebook.com/golearnfast GOOGLE+ https://plus.google.com/u/0/b/101326338689489366802/
Views: 3054 golearnfast
Using postgres regexp_replace to clean text data
 
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Sometimes you need to remove characters or clean data before you extract it. Regexp_replace is a very useful function. We cover it in some detail including some details about word boundaries along with flags.
Views: 935 Jeffrey James
Regular Expressions in oracle part 1/ arabic
 
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Regular Expressions in oracle 1 Regexp_like 2 Regexp_replace 3 Regexp_instr 4 Regexp_substr 5 Regexp_count
Views: 944 khaled alkhudari
Oracle Tutorial for Substr and Instr functions
 
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This video explains how Oracle SubStr and Instr function works
Views: 3131 Ganesh Anbarasu
SUBSTR in Oracle | SUBSTRING in Oracle | Character Manipulation | Oracle Tutorial for Beginners
 
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SUBSTR in Oracle | SUBSTRING in Oracle | Character Manipulation | Oracle Tutorial for Beginners substr in oracle with example SUBSTR examples SUBSTR in Oracle SUBSTRING in Oracle Character Manipulation Oracle Tutorial for Beginners SUBSTR in Oracle SUBSTR in Oracle substr in oracle with example SUBSTRING in Oracle Oracle Tutorial for Beginners substr in oracle with example Oracle Database tutorials for Beginners SUBSTR SUBSTR substr in oracle with example regexp_substr in oracle oracle substring before character instr in oracle oracle substring right oracle length oracle sql substring after character oracle string functions Character Manipulation substr and instr together in oracle instr in oracle examples combination of substr and instr in sql instr example oracle instr last occurrence how to use instr and substr together in oracle instr in sql w3schools oracle sql substring after character
Oracle SUBSTR and INSTR example
 
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In this video, we will see how to use Oracle SUBSTR and INSTR functions in a nested manner.
Views: 1604 Ganesh Anbarasu
Oracle Regular Expression - Part II
 
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This continues discussion on Oracle Regular Expression
Views: 2679 Mohan Ramaswamy
Oracle regular expression regexp count
 
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Unix Shell Scripting
Views: 1099 Sridhar Raghavan
How to Split Column in Oracle SQL using SQL function.(Now or Never)
 
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Use SUBSTRING and INSTRING pre defined SQL function to do the same.
Views: 476 GuruKul+
Essbase @SUBSTRING Function
 
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interRel presents Look Smarter Than You Are with Oracle Essbase BSO: @SUBSTRING The Essbase Technical Reference documents the @SUBSTRING function, but Oracle ACE Director Tracy McMullen demonstrates how to use the @SUBSTRING function in a way that reading about it never could. If you've been looking for a more helpful and accurate version of the Essbase TechRef, here it is! To see more of our videos, go to http://epm.bi/videos
Views: 881 interRel Consulting
Oracle INSTR Function
 
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https://www.databasestar.com/oracle-instr/ The Oracle INSTR function allows you to search a string for the occurrence of another string, and return the position of the occurrence within a string. It’s helpful for finding if a string exists within another string. It can also be used for performing further string manipulation on, like substrings. The syntax of the INSTR function is: INSTR(string, substring [, start_position [, occurrence]]) These parameters are: string: The text string that is searched in. It’s usually the larger of the two strings. Mandatory. substring: The text to search for. It’s usually the smaller of the two strings. Mandatory. start_position: This is an integer value which indicates where in the string value to start the search. Optional, and the default is 1. occurrence: The occurrence of the substring to search for. Optional, and the default is 1, which means the first occurrence. Also, the searches performed by the INSTR function are case-sensitive. The value returned by INSTR is a number value, which is the number in the location of the string where the substring is found. The first character is 1. For more information about the Oracle INSTR function, including all of the SQL shown in this video and the examples, read the related article here: https://www.databasestar.com/oracle-instr/
Views: 3927 Database Star
Extract parts of strings using regular expression capture groups
 
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► Access the full course: http://daveh.io/r/mvc Extract one or more parts of a string using both numbered and named capture groups in regular expressions.
Views: 2736 Dave Hollingworth
Oracle || String functions Part-1 by dinesh
 
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DURGASOFT is INDIA's No.1 Software Training Center offers online training on various technologies like JAVA, .NET , ANDROID,HADOOP,TESTING TOOLS ,ADF,INFORMATICA,TABLEAU,IPHONE,OBIEE,ANJULAR JS, SAP... courses from Hyderabad & Bangalore -India with Real Time Experts. Mail us your requirements to [email protected] so that our Supporting Team will arrange Demo Sessions. Ph:Call +91-8885252627,+91-7207212428,+91-7207212427,+91-8096969696. http://durgasoft.com http://durgasoftonlinetraining.com https://www.facebook.com/durgasoftware http://durgajobs.com https://www.facebook.com/durgajobsinfo......
28. SQL for Beginners - REGEXP_REPLACE( ) (Hindi) | Regular Expressions
 
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Views: 35 Ishwar Academy
Oracle Database11g tutorials 11: SQL case manipulation function in Oracle Database
 
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Part 2 SQL functions- character function -case manipulation functions Previous Video Link :: http://youtu.be/5rx8Q4x4-qI Tool used in this tutorial is command prompt. This tutorial series is part of SQL expert exam certification training. if you are preparing for SQL certification you can use my tutorials. This SQL Tutorial is a part of free training. Copy Cloud referral link || Use this link to join copy cloud and get 20GB of free storage https://copy.com?r=j7eYO7 Contacts E-Mail [email protected] Twitter https://twitter.com/rebellionrider Instagram http://instagram.com/rebellionrider Facebook. https://www.facebook.com/imthebhardwaj Linkedin. http://in.linkedin.com/in/mannbhardwaj/ Thanks for linking, commenting, sharing and watching more of our videos This is Manish from RebellionRider.com ------------------------------------------------------------------------------------- As discuss in last video we have 3 case manipulation functions. In case you miss the SQL functions intro video you can find the link in the description below. First let's see what these functions are. Upper (): This function takes a parameter converts it into uppercase and returns the new string. Initcap (): this function also takes parameter and converts the initial letter of or parameter into uppercase and returns the new string. Lower (): This function takes a parameter converts it into lowercase and returns the new string. Ok let's do some practical For this practical we will be using 2 tables First is dual table Which is a dummy table provided by oracle? And I have created another table again by the name of example. This will be our second table. Let's start with SQL function upper ( ); SELECT upper('hello world') FROM dual; As you can see I have used "hello world" completely in lowercase as parameter to SQL upper function. Execute it. Here, our result has given us a completely new hello world string which is in uppercase. Similarly you can also use SQL upper function to perform other DML Let's try This time we will work on our second table EXAMPLE; insert into example values (upper('manish')); first parentheses for values and second for SQL function upper. Let's check the result. As you can see here inserted value is in upper case. Lets compare it with simple insert query Insert into example values ('manish'); Execute it, i think now it's clear that when we perform simple insert DML the inserted value will be the same you provide. Similarly let's try SQL function initcap(); SELECT initcap('hello world') FROM dual; As you see here in result the initial letters of string hello world are in uppercase. Let's do the insert query insert into example values (initcap('hello world')); initial letters of string also are in uppercase. Let's try SQL function lower(); This time we have to write our hello world in all caps. SELECT lower('HELLO WORLD') FROM dual; Execute String totally in lower case. Similarly you can user SQL function lower in other DML like insert and all.
Views: 81746 Manish Sharma
Regular Expressions in oracle part 3/ Arabic
 
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-- we use Regexp to search/ match / replace string --1 Regexp_like --2 Regexp_replace --3 Regexp_instr --4 Regexp_substr --5 Regexp_count --note we can user Regexp with CHAR/Varchar2/clob but not LONG https://docs.oracle.com/cd/B12037_01/server.101/b10759/functions116.htm#SQLRF06303 http://psoug.org/reference/regexp.html
Views: 365 khaled alkhudari
BluePrism - String Reg Expressions || Reality & Useful
 
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Hi Friends, Now we will discuss about 'Utility - String' Regular expressions -------------------------------------------------------------------------- Why we need to use regular expressions and which scenario we need to use them? -------------------------------------------------------------------------- Let's take an example, I have one data item contains alphabates and I want to check wheather the data item having only alphabates or numbers or alphanumarics or any other condition checks. These type of operations we can do using regular expressions. -------------------------------------------------------------------------- we can find the syntaxs of regular expressions in w3scools. see here few of the regular expressions [abc] the string should contains a, b, c letters combination only [^abc] doesn't contains the combination of a, b, c or individually [0-9] string must contains only digits [^0-9] string should not contain numbers (x|y) Find any of the alternatives specified --------------------------------------------------------------------------- let's try on these expressions using 'Utility - String' regular expressions See we have an Action to use 'Test Regex Match' and it is expecting the inputs Regex Pattern - This is regular expression syntax Target String - This is, on which string we have to match Output will be the Flag type mean, either matching or not, true or false --------------------------------------------------------------------------- 1. Let's check with the number [0-9] pattern My target string should contain only numbers not any other symboles or alphabates. let's check it See I got true, because my target string having only number. If I give alphabates? see the result -- I got the false result What if I give combination of alphabates and numbers or other symboles too? see once Well, we got true. That means it is accepting the other characters along with the numbers. Let's restrict the alphabates in this using [0-9] ^[a-b] we got the false. --------------------------------------------------------- 2. Now we will see about [abc] expression I gave target string with in the abc letters that's why I got true. Let's include other characters. It gave me true and accepting the other letters If we don't want other letters to accept include ^[d-z] Let's try See now we got false. ^ means inverse/not case Now we will avoid the abc letters and use it for [abc] expression Results are false, because Target string doesn't contain abc letters. Make sure to know about the meaning of regular expression first. already we got idea about ^ symbol ^ - not case [] - are used for expression symbol - - used for range(between) like 0 to 9 or between 'a' and 'z' Thank you for watching video
Views: 6421 Reality & Useful
Regular Expressions (RegEx) Tutorial #2 - Simple RegEx Patterns
 
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Hey all, in this Regular Expressions tutorialI'll show you an online tool called Regex101 that we'll be using to test our patterns. We'll start off slow in this video :). DONATE :) - https://www.paypal.me/thenetninja ----- COURSE LINKS: + RegEx101 - https://regex101.com/ + Course files - https://github.com/iamshaunjp/regex-playlist + Atom editor - https://atom.io/a + CMDER - http://cmder.net/ ======== Other Tutorials ========= ----- NODE.JS TUTORIALS https://www.youtube.com/playlist?list=PL4cUxeGkcC9gcy9lrvMJ75z9maRw4byYp ----- MONGODB TUTORIALS https://www.youtube.com/playlist?list=PL4cUxeGkcC9jpvoYriLI0bY8DOgWZfi6u ----- SUBSCRIBE TO CHANNEL - https://www.youtube.com/channel/UCW5YeuERMmlnqo4oq8vwUpg?sub_confirmation=1 ======== Social Links ========== Twitter - @TheNetNinja - https://twitter.com/thenetninjauk Patreon - https://www.patreon.com/thenetninja
Views: 9828 The Net Ninja
substr in oracle
 
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Oracle function to extract portion of a string
Views: 615 Kunal Thaker
Regular Expressions in oracle part 2/ Arabic
 
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Regular Expressions in oracle part 2/ Arabic -- we use Regexp to search/ match / replace string --1 Regexp_like --2 Regexp_replace --3 Regexp_instr --4 Regexp_substr --5 Regexp_count --note we can user Regexp with CHAR/Varchar2/clob but not LONG
Views: 428 khaled alkhudari
Oracle Database 12c: SQL Pattern Matching
 
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The new groundbreaking SQL pattern matching capabilities brings the simplicity and efficiency of the most common data analysis language to the process of identifying patterns within a data set. It provides a completely new native SQL syntax that has adopted the regular expression capabilities of Perl by implementing a core set of rules to define patterns in sequences (streams of rows). In this first session will explore some of the main concepts and key words of the new syntax. Subsequent sessions will explore typical use cases for SQL pattern matching and how to debug your pattern matching process.
PL/SQL Tutorial 4 (Oracle): Substring Command
 
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PL/SQL Tutorial 4 (Oracle): Substring Command In this tutorial I show you how to use the Substring command in PL/SQL Source Code: https://github.com/mitchtabian/SQL-tutorials Subscribe to my Blog and YouTube channel to get notifications when new FREE coding tutorials are posted! Blog: http://www.codingwithmitch.com/
Views: 157 CodingWithMitch
Regular Expressions in MySQL
 
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SYS 2004 video project. Brief intro on how to use regular expressions in mySQL.
Views: 3312 IZCEKOWLD
2.9: Regular Expressions: replace() - Programming with Text
 
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In this video, I cover the JavaScript function replace(). The function allows you to search for a string (by matching a regular expression) and replace that string. The replacement can be a literal string itself or you can pass in a callback where you can use logic and programming to generate a replacement string based on anything you can imagine. This is the ninth video in a series on Regular Expressions, which is part of the "Programming from A to Z" course at ITP (http://itp.nyu.edu). Next Video: https://youtu.be/AKuW48WeNMA http://shiffman.net/a2z/regex/ Course url: http://shiffman.net/a2z/ Support this channel on Patreon: https://patreon.com/codingtrain Send me your questions and coding challenges!: https://github.com/CodingTrain/Rainbow-Topics Contact: https://twitter.com/shiffman GitHub Repo with all the info for Programming from A to Z: https://github.com/shiffman/A2Z-F16 Links discussed in this video: MDN's Regular Expressions Reference: https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Regular_Expressions Regular Expressions on Wikipedia: https://en.wikipedia.org/wiki/Regular_expression Book Mastering Regular Expressions: http://shop.oreilly.com/product/9780596528126.do ITP from Tisch School of the Arts: https://tisch.nyu.edu/itp Source Code for the all Video Lessons: https://github.com/CodingTrain/Rainbow-Code p5.js: https://p5js.org/ Processing: https://processing.org For More Programming from A to Z videos: https://www.youtube.com/user/shiffman/playlists?shelf_id=11&view=50&sort=dd For More Coding Challenges: https://www.youtube.com/playlist?list=PLRqwX-V7Uu6ZiZxtDDRCi6uhfTH4FilpH Help us caption & translate this video! http://amara.org/v/Vy9V/
Views: 19002 The Coding Train
Oracle REPLACE Function
 
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https://www.databasestar.com/oracle-replace/ The Oracle REPLACE function is a string manipulation function that allows you to replace one text string with another. It can be a whole word or sentence, or even a single value. The syntax of the REPLACE function is: REPLACE ( whole_string, string_to_replace, [replacement_string]) To use this function, the parameters are: - whole_string (mandatory): This is the string that will be checked for the characters to be replaced. - string_to_replace (mandatory): This is the string that will be searched for within whole_string. - replacement_string (optional): This is the string that will be used to replace occurrences of string_to_replace. Because the last parameter is optional, if it is not specified, then the Oracle REPLACE function removes all occurrences of string_to_replace. You can replace carriage returns with REPLACE, but you’ll need to use the CHR function. You can replace NULL values in Oracle, but this is best done with another function such as NVL, rather than REPLACE. If you want to replace multiple characters, you can do this using nested REPLACE functions or a REGEXP_REPLACE function. For more information about the Oracle REPLACE function, including all of the SQL shown in this video and the examples, read the related article here: https://www.databasestar.com/oracle-replace/
Views: 842 Database Star
Oracle: примеры с regexp like
 
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Разбираем примеры Oracle regexp_like Статья на моем блоге: http://snakeproject.ru/rubric/article.php?art=oracle_regexp_like
Views: 257 Mihail Kozlov
Regex Pattern in Java | Team MAST
 
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In this video you will learn about the Regular Expressions in Java. You can refer the official java.util.regex API here : http://docs.oracle.com/javase/tutorial/essential/regex/
Views: 20770 Team MAST
Difference between substring and instring
 
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what is instr and substr? what are the diff between them? here i have explained the substr and instr with definition, syntax and examples. For HCL interview questions : https://www.youtube.com/watch?v=Pf0lR... For CTS interview questions: https://www.youtube.com/watch?v=ISpHa... For Global analytics interview questions: https://www.youtube.com/watch?v=joRTF... please subscribe to my channel for more interview questions and answers. https://www.youtube.com/channel/UCofh... thanks to my subscribers and viewers.
Views: 1394 Oracle PL/SQL
Intermediate Oracle 11g - 4. Expressions and Regular Expressions
 
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This Intermediate course expands on the Introduction to Oracle 11g course. It gives you a more detailed grass roots knowledge of Oracle SQL and Oracle PL/SQL. Author covers a wide range of topics including many types of queries, expressions, and statements. He also explores sequences, synonyms, views, materialized views, user access and security, working with indexes, and the basics of programming with PL/SQL. As with the introductory course, this intermediate course is not focused on Oracle Certification but will give you a good start towards some more advanced aspects of coding SQL and PL/SQL. Parts: 01. What an Expression Is. 02. Types of Expressions. 03. Expression Types Demo pt. 1. 04. Expression Types Demo pt. 2. 05. Expression Types Demo pt. 3. 06. Meta Characters. 07. Regular Expression Functions. 08. Using Regular Expression Patterns. 09. Check Constraint Regular Expressions. 10. Oracle Expression Filter.
Views: 61 Free Training
Oracle Regular Expressions
 
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Oracle Regular Expressions
Views: 15 Nook Tutorials
Função Oracle Substr
 
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Acesse o desafio: http://novidades.aprendaplsql.com/15-dias-de-funcoes-oracle A função Oracle substr traz o pedaço da string de uma determinada variável. Ela pode receber até 3 parâmetros, onde o primeiro é a string a ser analisada, o segundo é a posição inicial que pode ser negativo se você for contar da direta para a esquerda(ou seja de traz para frente) e também como parâmetro opcional um terceiro inteiro que vai trazer o tamanho do caracter. SELECT substr('O Aprendaplsql é o melhor site', 3) FROM dual; SELECT substr('O Aprendaplsql é o melhor site', 3, 12) FROM dual; SELECT substr('O Aprendaplsql é o melhor site', -11, 6) FROM dual; https://www.youtube.com/playlist?list=PLMaqczuL07LkjrX6Rvx6TdNM-1nbUKG8p
Views: 740 Aprenda PL/SQL
Find the Number of Occurrences of a Character In the given String SQL | ORACLE | PL SQL
 
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Find the Number of Occurrences of a Character In the given String SQL | ORACLE | PL SQL
Views: 793 Online Pl Sql
26. SQL for Beginners - REGEXP_SUBSTR( ) (Hindi) | Regular Expressions
 
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Views: 35 Ishwar Academy
Using SQL for Pattern Matching in Oracle Database - OLL Live recorded event
 
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Learn how to use SQL for Pattern Matching. Row pattern matching in native SQL improve application and development productivity and query efficiency for row-sequence analysis. Recognizing patterns in a sequence of rows has been a capability that was widely desired, but not possible with SQL until now. With Oracle Database 12c Release 1 (12.1), you can use the MATCH_RECOGNIZE clause to perform pattern matching in SQL. See the related tutorial at http://apex.oracle.com/pls/apex/f?p=44785:24:0::::P24_CONTENT_ID,P24_PREV_PAGE:6781,1. Copyright © 2013 Oracle and/or its affiliates. Oracle® is a registered trademark of Oracle and/or its affiliates. All rights reserved. Oracle disclaims any warranties or representations as to the accuracy or completeness of this recording, demonstration, and/or written materials (the "Materials"). The Materials are provided "as is" without any warranty of any kind, either express or implied, including without limitation warranties of merchantability, fitness for a particular purpose, and non-infringement.
length, concat & chr | sql functions | oracle database 11g version 2 |
 
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executed in oracle database 11g version 2
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