A relational database is a collection of data items with pre-defined relationships between them, stored in the form of tables, rows, and columns. Examples: MySQL, Oracle, PostgreSQL. Non-Relational ...

Sometimes we need to check the create table syntax for already created table in the database. when we need to check what kind of columns and what datatype a column has in a table then we require the ...

The objective is to design a compiler for MySQL language to check the syntax of DELETE and UPDATE operations. The compiler consists of two components viz. Lexical analyser and Syntax analyser. Lexical ...

I need to search about twenty columns for given a string with wildcards. The query essentially looks like this: SELECT * FROM `the_table` WHERE ...

The aim of this paper is to analyze and experimentally compare database systems Oracle and MySQL emphasizing the differences in syntax, semantics and performance characteristics. It consists of ...