Week 0 Querying

Tables. Databases. Database Management Systems. SQL. SQLite. SELECT. LIMIT. OFFSET. WHERE. Comparisons. NOT. NULL. Pattern Matching. LIKE. Compound Conditions. Range Conditions. Ordering. Aggregate Functions. ROUND. DISTINCT.

How to download lecture source code into Visual Studio Code

  1. Log into cs50.dev.

  2. In your terminal window, type

    wget https://cdn.cs50.net/sql/2023/x/lectures/0/src0.zip

    followed by Enter in order to download a Zip file of lecture’s source code into your codespace.

  3. In your terminal window, type

    unzip src0.zip

    followed by Enter to unzip (i.e., decompress) that Zip file.

  4. In your terminal window, type

    cd src0

    followed by Enter in order to “change directory” into that src0 directory (i.e., folder).

  5. In your terminal window, type, e.g.,

    ls

    followed by Enter in order to see the files.