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There is three significant subset of the SQL: Data definition language (DDL):DDL is used to define the data structure it consists of the commands like CREATE, ALTER, DROP, etc. Data manipulation language (DML):DML is used to manipulate already existing data in the database. The commands in this category are SELECT, UPDATE, INSERT, etc. Data control … Read more

SQL refers to the Standard Query Language, which is not actually the programming language. SQL doesn’t have a loop, Conditional statement, logical operations, it can not be used for anything other than data manipulation. It is used like commanding (Query) language to access databases. The primary purpose of SQL is to retrieve, manipulate, update and … Read more

SQL is responsible for maintaining the relational data and the data structures present in the database. To execute queries against a database To retrieve data from a database To inserts records in a database To updates records in a database To delete records from a database To create new databases To create new tables in … Read more

It appeared in 1974. SQL is one of the often used languages for maintaining the relational database. SQL. In 1986 SQL become the standard of American National Standards Institute (ANSI) and ISO(International Organization for Standardization) in 1987. SQL, or Structured Query Language, first appeared in the early 1970s. It was developed by IBM researchers Donald … Read more

SQL stands for the Structured Query Language. SQL is a standard query language used for maintaining the relational database and perform many different operations of data manipulation on the data. SQL initially was invented in 1970. It is a database language used for database creation, deletion, fetching rows and modifying rows, etc. sometimes it is … Read more