The Order by clause is used with the SQL Select statement to sort the results in ascending or descending order. You have to specify one or more columns for what you want to sort the table result set.
The Like is an operator in SQL that is used to search columns data by the specified criteria. The like operator uses the wildcard character(s) to search in a column.
The select statement is used to retrieve data from database’s tables. The SQL select statement retrieves existing data from the tables in the form of the result-sets.
The Update statement in the SQL is used to update the records in the database tables. The update statement updates existing data in a table.
the Create Table statement is followed by the table_name, that should be descriptive according to your project. Generally, the table names are started with tbl_, however, you may have your own specifications for the table names.
The SQL Group by clause, as the name suggests, groups the similar column values, performs some aggregated function (like sum, count) and returns the consolidated result in groups.
The Where clause is used to filter the results that meet the given criteria. Where clause can be used with the Select statement to fetch only the required rows.
The Join clause is used to combine data of two or more tables into one temporary table. Joins in SQL combine data of two or more tables by the common keys.
The alter statement of SQL is used to change the existing table structure of the database. You can use the alter query for modifying existing column specifications. The specifications like data type, size etc.
A primary key is a field or column in a table that cannot contain the duplicate values or it uniquely identifies each row in a table.