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Never Miss a Record Again: How to Query Null and Blank Values in a Database

YouTubePharos Technology

Never Miss a Record Again: How to Query Null and Blank Values in a Database

In this video, learn about the proper definition of a null value in a database and how to query it effectively. Discover the difference between null and blank values, and how to use the "IS NULL" and "OR" conditions to ensure you retrieve all the records you need. Keywords: null value, database, querying, blank value, IS NULL, OR condition ...

已浏览 2635 次2023年5月18日

Query language SQL Tutorial

SQL Tutorial: An Introduction to Structured Query Language

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mygreatlearning.com

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Here is a quick video tutorial on HiveQL, the query language in Apache Hive! Introduction to HiveQL | HiveQL vs SQL | HiveQL Tutorial #Skillspeed | Skillspeed | Facebook

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FacebookSkillspeed

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i_simplify on Instagram: "Day 1: Introduction to SQL! 🐶💻 SQL is the language we use to talk to databases and manage data efficiently. Let’s start this journey with Chimtu Bro! Topic Notes: SQL = Structured Query Language SQL is used to communicate with databases Database = place to store & manage data With SQL, you can retrieve, insert, update, and delete data easily Hashtags: #SQLForBeginners #LearnSQL #ChimtuBro #DataBaseBasics Keywords: SQL, Database, Learn SQL, SQL Tutorial"

i_simplify on Instagram: "Day 1: Introduction to SQL! 🐶💻 SQL is the language we use to talk to databases and manage data efficiently. Let’s start this journey with Chimtu Bro! Topic Notes: SQL = Structured Query Language SQL is used to communicate with databases Database = place to store & manage data With SQL, you can retrieve, insert, update, and delete data easily Hashtags: #SQLForBeginners #LearnSQL #ChimtuBro #DataBaseBasics Keywords: SQL, Database, Learn SQL, SQL Tutorial"

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