October, 2024 Baeldung on SQL

Learn how to extract a prefix of length N when querying string data in SQL. >>>

Learn how to use an outer reference in SQL to access an outer query table within a subquery. >>>

Learn how to query specific values from an integer column in SQL. >>>

Learn about ways to use SQL for removing the last two characters of string within a column. >>>

Learn how to obtain the current date and time in MySQL, SQL Server, and PostgreSQL. >>>

Explore the differences between ER diagrams and database schema. >>>

Explore various methods to check the indexes of a table in PostgreSQL, MySQL, and SQL Server. >>>

Learn how to produce a dump via mysqldump according to a query. >>>

Learn how to add a foreign key to a table. >>>

Explore inserting a row into a SQL table or updating the row if it already exists. >>>

Monthly Archives: October 2024