Query databases and work with relational data. Explore 11 entries across 3 categories.
Returns the average value of a numeric column.
Returns the number of rows.
Removes rows from a table.
Groups rows that have the same values.
Adds new rows to a table.
Combines rows from two or more tables.
Sorts the result set.
Retrieves data from a database.
Returns the total sum of a numeric column.
Modifies existing rows in a table.
Filters records based on conditions.