sql tutorial

Data Manipulation Language in sql

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Data Manipulation Language (DML)-:Data Manipulation Language (DML) is a core part of SQL. When we want to add, update or delete data in the database, we execute a DML statement. A collection of DML statements that form a logical unit of work is called transaction. DML Statements : Statement Purpose Insert Add rows to table … Read more

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 introduction-  SQL means structure query language.To access the database, we execute a Structured Query Language (SQL) statement, which is the American National Standards Institute (ANSI) standard language for operating upon relational database. The language contains a large set of operators for partitioning and combining relations. the database can be modified using the SQL statements. Non-Procedural … Read more