In this article you will be familiarize with basic array operations using pointer that are available for C programming language. Pointers in C: Pointer in C language is defined as the variable which points certain address of variable or location of memory. Some of programming tasks such as dynamic programming can be only done with the …
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SQL PRIMARY KEY Constraint: SQL PRIMARY KEY is a Field in a table which uniquely identifies each record in a database table. Primary key ought to have ‘UNIQUE’ values. Primary key will never have ‘NULL’ values. Note: A table can only have one primary keys, which may contain one or multiple fields. Type of Keys: …
Overview of SQL: A database is a systematic collection of data. Database systems are used to store, access, delete data. furthermore, it also systematically organize data in a database.This article briefly discuss about the SQL DROP DB(database) . Consider a cafeteria, which provides snacks and other eatable item to its customers. Traditionally, the snacks, juice, and other …
SQL INTRODUCTION: A database is a systematic collection of data. Database systems are used to store, access, delete data. furthermore, it also systematically organize data in a database.This article briefly discuss about the SQL CREATE DATABASE(db) . Consider a cafeteria, which provides snacks and other eatable item to its customers. Traditionally, the snacks, juice, and other items …
Data Definition Language: A database is a systematic collection of data. Database systems are used to store, access, delete data. furthermore, it also systematically organize data in a database.This article briefly discuss about the use and importance of SQL DROP Table . Data Definition Language is divided into-‘CREATE’,’ALTER’,’DROP’,’TRUNCATE’,’RENAME’. Technology like Database and SQL has grown exponentially in …