Q-1. Write an SQL query to fetch “FIRST_NAME” from Worker table using the alias name as <WORKER_NAME>. Select substring(FIRST_NAME,1,3) from Worker; Q-5. Write an ...
1. Query all columns for all American cities in the CITY table with populations larger than 100000. The CountryCode for America is USA. select * from city where countrycode = 'USA' and ...
Here’s something that will Blow Your Mind if you’re a Power Query/M fan. Did you know that there’s a way you can get query folding to work if you’re using a native SQL query on SQL Server or Postgres ...
Department of Information Science and Management Systems, National Taitung University, Taitung, Taiwan Students of database courses usually encounter difficulties in learning structured query language ...
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