SQL statement Basics

data typeDQL languageDML languageDDL languageDCL languageTCL languageNon foreign key constraintForeign key constraintForeign key policyDDL and DML add a littleMulti table query syntaxSubqueryaffairTransaction concurrency problemTransaction isolation levelView + stored procedureJDBC+sql injection + other Installation: uninstall all mysql and ma ...

Posted on Wed, 06 Oct 2021 17:13:50 -0400 by le007