SQL

The SQL query optimizer analyzes many options for a given query, estimates the cost of each of these options, and finally, selects the lowest cost option.

The TRUNCATE TABLE statement is used to completely delete records from an existing table in SQL.

The HAVING clause in SQL is used to filter records and retrieve only those records that match the requirements or are actually needed.

In SQL, you can combine the same structured data from multiple tables into one query using the UNION and UNION ALL operators.

In SQL, a VIEW view is a virtual table in a database whose content is defined through a certain SQL statement.

A transaction is successfully performed when all commands are successful, then all data changes made in the transaction are saved to the database.

WILDCARD is also known as a wildcard used with the LIKE statement in SQL.

In this article, Quantrimang lists all the important functions used to handle Date / Time in SQL.

Temporary Table, also known as temporary table, is a special form of table that is temporarily stored and handles intermediate results on SQL

This article will show you in detail how to use all functions to handle Date / Time in SQL with syntax and specific examples to make it easier to visualize and capture functions.

This article will show you in detail how to use CLONE TABLE in SQL with a specific example to make it easier to visualize and capture.

This article will show you in detail how to handle copy - HANDLING DUPLICATE with specific examples to make it easier to visualize and capture.

SUBQUERY is a query inside another SQL query and is embedded in the WHERE clause.

SEQUENCE is often used because meeting the requirements of many applications is to require each row in a table to contain a unique value similar to the primary key.

In SQL Operations Studio (preview), you can open an integrated terminal, starting from the root of the current workspace.

In SQL, the LIKE command is used to compare a value with similar values ​​by using wildcards.

In SQL, the TOP statement is used to retrieve N records or X percent records from a table.

In SQL, the ORDER BY clause is used to sort data in ascending order or in descending order on one or more columns.

The GROUP BY clause in SQL is used in conjunction with the SELECT statement to sort data uniformly into groups.

The DISTINCT keyword in SQL is used in conjunction with the SELECT statement to remove all duplicate records and retrieve only records.