Author: sqlitetutor_obng7r

In SQLite, the COLLATE operator is used to specify how the comparison of string values should be performed in queries. When two strings are compared, the COLLATE operator determines the order of the characters and the way that the comparison is made. SQLite provides several collation functions that can be used to customize the comparison…(Continue Reading)

SQLite’s REGEXP operator is a powerful tool for working with regular expressions in SQL statements. Regular expressions are patterns used to match text and are widely used in programming and data processing. The REGEXP operator in SQLite allows you to use regular expressions in your SQL queries to search for specific patterns within text fields.…(Continue Reading)

SQLite’s MATCH operator is used to perform full-text search queries on text fields in a SQLite database. It is particularly useful when searching for specific words or phrases within large blocks of text. Syntax The syntax for using the MATCH operator is as follows: SELECT column1, column2, … FROM table_name WHERE column_name MATCH ‘search_query’; In…(Continue Reading)

SQLite’s GLOB operator is a pattern matching operator used in SQL queries. It is similar to the LIKE operator, but it uses a different syntax for specifying patterns. The GLOB operator allows for more flexible and powerful pattern matching capabilities than the LIKE operator. Syntax The syntax for the GLOB operator is as follows: expr…(Continue Reading)

In SQLite, a subquery is a query that is nested within another query. A non-correlated subquery is a type of subquery that does not depend on the outer query for its results. It is executed once for each row in the outer query, and its result is used as a parameter in the outer query.…(Continue Reading)

In SQLite, a correlated subquery is a subquery that references one or more columns from the outer query. This allows the subquery to be executed once for each row of the outer query, resulting in a more precise and context-specific result set. Examples Correlated subqueries in SQLite are useful when you need to filter or…(Continue Reading)