note

SQL LIKEの否定であるNOT LIKEの使い方とい注意点

SQLでLIKE句を使用すると、特定のパターンに一致するデータを選択することができます。 このLIKE句の否定、つまり特定のパターンに一致しないデータを選択したい場合にはNOT LIKEを使用します。 LIKEとNOT LIKEの基本 LIKE句は、ワイルドカードを使用して文字列 ...
note

【SQL】where句応用（where like / where in) の使い方を例文を用いて解説 ...

where like句を用いることで、部分一致の文字列検索ができるようになります。 また、where in を用いると複数の完全一致検索ができ、 or 条件のように、in内で指定したものに1つでも当てはまる場合、結果を返すことができます。 そんなwhere like / where in句を初心 ...
InfoWorld

Why SQL still rules

SQL, the Structured Query Language, remains one of the most widely used programming languages, coming in fourth in Stack Overflow’s research for 2023. Just over half (51.52%) of professional ...
Analytics India Magazine

How to perform SQL like queries on data using Pandas?

SQL and Pandas are the two different tools that have a great role to play when handling the data. These are not only the basic tools for any data-related tasks, but also they are very easy to use and ...
GitHub

SQL-like query language for csv

Csvq is a command line tool to operate CSV files. You can read, update, delete CSV records with SQL-like query. You can also execute multiple operations sequentially in managed transactions by passing ...
dbta

After 50 Years, What’s Next for SQL?

Even after 50 years, Structured Query Language, or SQL, remains the native tongue for those who speak data. It’s had impressive staying power since it was first coined the Structured Query English ...