https://www.ibm.com/docs/en/db2-for-zos/13.0.0?topic=programming-compatibility-sql-language-data-types
The host variable data types that are used in SQL statements must be compatible with the data types of the columns with which you intend to use them.
application programmingsqlcompatibility
https://corporatefinanceinstitute.com/resources/data-science/sql-data-types/
SQL data types assist in the data validation process and are essential to the mechanics of the database engine. SQL comes in different dialects
sql data typesoverview categoriesexamples
https://docs.oracle.com/en/database/oracle/oracle-database/26/lnpls/sql-data-types.html
The PL/SQL data types include the SQL data types.
sql data types
https://www.red-gate.com/simple-talk/blogs/sql-server-2008-new-data-types-and-net-2-with-and-without-sp1/
SQL Server 2008 has introduced a few new data types, among others the new date types, like date, time, datatime2 and datetimespan. Because .Net 2 was
sql servernew datatypesnet