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SQL DISTINCT Statement Explained
The Distinct keyword is used with the Select SQL statement to avoid duplicate records in the result set from a database.
SQL GROUP BY Clause
The SQL GROUP BY clause sorts data into groups. To use this GROUP BY clause, you must also use the ORDER BY clause.
SQL ORDER-BY Clause
When we want to sort or arrange result set with ascending or descending order, we can use Order By keyword in sql query.
SQL TOP Clause
The SQL TOP clause retrieves a specified number of records from the top of a database table.
SQL Operators: OR, AND, and NOT
SQL operators like OR, AND, and NOT are used to filter records in SQL queries. You can use conditions with these operators to add specific filters to your SQL statements.
SQL SELECT INTO Statement Explained
Learn how to use the SQL SELECT INTO statement to create a mirror copy of an existing table in the database for backup or testing.
SQL SELECT Query
Use SQL SELECT queries to retrieve specific records from database tables. This is a fundamental command for data extraction. Learn more at stoodq.com.
SQL DROP Query
Definition: Drop query means to erase something from a database or the complete database with all information related to that.
SQL DELETE Query
Erase records from table by using DELETE query. Delete existing records or rows from database tables.
SQL UPDATE Query Definition
An UPDATE query is used to modify existing records within a database table.