Topics tagged data-wrangling

Topic	Views	Activity
What are indexes and types of indexes in SQL? Data Science, AI and ML sql , data-wrangling	315	18 June 2022
What is the difference between DROP and TRUNCATE commands? Data Science, AI and ML sql , data-wrangling	304	15 June 2022
What is AUTO_INCREMENT? Data Science, AI and ML sql , data-wrangling	303	15 June 2022
What is an index? Data Science, AI and ML sql , data-wrangling	269	15 June 2022
What is a primary key? Data Science, AI and ML sql , data-wrangling	342	15 June 2022
What is meant by table and field in SQL? Data Science, AI and ML sql , data-wrangling	483	15 June 2022
What is the DBMS primary key and foreign key? Data Science, AI and ML sql , data-wrangling	340	13 June 2022
Do I really need triggers for relational database, for example, PostgreSQL? Data Science, AI and ML sql , data-wrangling	302	12 June 2022
Does metadata only refer to the description of the attributes in RDBMS? Data Science, AI and ML sql , data-wrangling	254	12 June 2022
Why would you add the same field multiple times to an aggregate query? Data Science, AI and ML sql , data-wrangling	368	12 June 2022
Are there any OLTP databases that are able to replace the use of OLAP databases? Data Science, AI and ML sql , data-wrangling	286	12 June 2022
SQL: What does it mean to own a schema? Data Science, AI and ML sql , data-wrangling	281	12 June 2022
What is Instr in MySQL? Data Science, AI and ML sql , data-wrangling	268	12 June 2022
What is the difference between "like" and "wildcard" in SQL? Data Science, AI and ML sql , data-wrangling	1445	12 June 2022
What are views in SQL? How are they useful? Data Science, AI and ML sql , data-wrangling	379	12 June 2022
What is the difference between ‘any’, ‘all’ and ‘exists’ in SQL? Data Science, AI and ML sql , data-wrangling	3085	12 June 2022
Why is creating a data model for a beginner so time consuming and difficult to finish? Data Science, AI and ML sql , data-wrangling	258	12 June 2022
How do I check the codes of an SQL database? Data Science, AI and ML sql , data-wrangling	297	12 June 2022
How is data modified in a relational database? Data Science, AI and ML sql , data-wrangling	282	12 June 2022
What is the main role of SQL? Data Science, AI and ML sql , data-wrangling	274	12 June 2022
Is a Kafka topic the equivalent of a database or a table within a database? Data Science, AI and ML sql , data-wrangling	316	12 June 2022
Can you create more than one table in the same database? Data Science, AI and ML sql , data-wrangling	277	12 June 2022
What is the database management system (DBMS) utility and its features? Data Science, AI and ML sql , data-wrangling	274	12 June 2022
Who interacts with a DBMS? Data Science, AI and ML sql , data-wrangling	284	12 June 2022
Which database is best for OLTP and OLAP queries at the same time? Data Science, AI and ML sql , data-wrangling	246	12 June 2022
How can you select the first 10% records from a table in MySQL? Data Science, AI and ML sql , data-wrangling	314	12 June 2022
What are the operations performed on a relational database file? Data Science, AI and ML sql , data-wrangling	281	12 June 2022
How can I get a value from a database(RDMS) in ArrayList? Data Science, AI and ML sql , data-wrangling	229	12 June 2022
What is the difference between UPDATE, MODIFY and ALTER in SQL? Data Science, AI and ML sql , data-wrangling	5401	12 June 2022
Which is faster - joins or subqueries in SQL (In RDMS)? Data Science, AI and ML sql , data-wrangling	237	12 June 2022