SQL
SQL Views
What is SQL View? A view is a virtual table, which gets saved in the database after you create a view. It…
What is SQL View? A view is a virtual table, which gets saved in the database after you create a view. It…
What is SQL Indexes? SQL Indexes are used to increase the performance of data extract from the database o…
What is stored procedure in SQL? A stored procedure is a prepared SQL code that you can save, so the code…
What is a Union in SQL A Union is an operator in SQL. A Union is use to combine the result set of two o…
What is Joins in SQL? Join is an technique in SQL to fetch the data from multiple tables. whenever our re…
What is Having Clause? A having clause is used when you want to give a where condition on such column on …
What is GROUP BY clause in SQL? The SQL GROUP BY clause is used when you want to groups rows that have th…
What is Aggregate Functions in SQL? SQL aggregation function is used to perform the calculations on multi…
The ORDER BY clause is use to sort the data in ascending or descending order . Whenever you fetch the data …
The SELECT statement is used to retrieve the data from database. The SELECT is a DQL (Data Query Language…
What is WHERE clause in SQL? The WHERE condition is used to filter the records and fetching only the nec…
What is an Operator in SQL? An operator is a reserved word or a character used primarily in WHERE clause …
SQL commands gives you an instructions to perform various operations on the data which is present in the da…