MySQL (8.0.26) describe tab1;desc tab1; show full columns from tab1;show columns from tab1; Oracle (19c) describe tab1desc tab1 PostgreSQL (14)\d tab1 SQL Server (2019)https://ameblo.jp/m-o-q/entry-12689546440.html sp_help tab1

MySQL (8.0.26) connect test\r test \r test mmm066\r test mmm050 Oracle (19c) connect test/test@pdb1conn test/test@pdb1 conn test/test@mmm065:1521/pdb1.example.com conn test/test@(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=mmm065)(PORT=1521))…