(SQL tutorials for Business Analyst & Beginners) In this end-to-end example, you will learn – SQL Tutorials for Business Analyst: SQL | Using Joins. The SQL Joins clause is used to combine records from two or more tables in a database. A JOIN is a means for combining fields from two tables by using values common …
(SQL tutorials for Business Analyst & Beginners) In this end-to-end example, you will learn – SQL Tutorials for Business Analyst: SQL | SORTING Results. The SQL ORDER BY clause is used to sort the data in ascending or descending order, based on one or more columns. Some databases sort the query results in an ascending order …
(SQL tutorials for Business Analyst & Beginners) In this end-to-end example, you will learn – SQL Tutorials for Business Analyst: SQL | Distinct Keyword. The SQL DISTINCT keyword is used in conjunction with the SELECT statement to eliminate all the duplicate records and fetching only unique records. There may be a situation when you have multiple …
(SQL tutorials for Business Analyst & Beginners) In this end-to-end example, you will learn – SQL Tutorials for Business Analyst: SQL | Group By. The SQL GROUP BY clause is used in collaboration with the SELECT statement to arrange identical data into groups. This GROUP BY clause follows the WHERE clause in a SELECT statement and …
(SQL tutorials for Business Analyst & Beginners) In this end-to-end example, you will learn – SQL Tutorials for Business Analyst: SQL | TOP, LIMIT or ROWNUM Clause. The SQL ORDER BY clause is used to sort the data in ascending or descending order, based on one or more columns. Some databases sort the query results in …
(SQL tutorials for Business Analyst & Beginners) In this end-to-end example, you will learn – SQL Tutorials for Business Analyst: SQL | TOP, LIMIT or ROWNUM Clause. The SQL TOP clause is used to fetch a TOP N number or X percent records from a table. Note − All the databases do not support the TOP clause. …
(SQL tutorials for Business Analyst & Beginners) In this end-to-end example, you will learn – SQL Tutorials for Business Analyst: SQL | LIKE Clause. The SQL LIKE clause is used to compare a value to similar values using wildcard operators. There are two wildcards used in conjunction with the LIKE operator. The percent sign (%) The …
(SQL tutorials for Business Analyst & Beginners) In this end-to-end example, you will learn – SQL Tutorials for Business Analyst: SQL | DELETE Query. The SQL DELETE Query is used to delete the existing records from a table. You can use the WHERE clause with a DELETE query to delete the selected rows, otherwise …
(SQL tutorials for Business Analyst & Beginners) In this end-to-end example, you will learn – SQL Tutorials for Business Analyst: SQL | UPDATE Query. The SQL UPDATE Query is used to modify the existing records in a table. You can use the WHERE clause with the UPDATE query to update the selected rows, otherwise all the …
(SQL tutorials for Business Analyst & Beginners) In this end-to-end example, you will learn – SQL Tutorials for Business Analyst: SQL | INSERT Query. The SQL INSERT INTO Statement is used to add new rows of data to a table in the database. Syntax There are two basic syntaxes of the INSERT INTO statement which are …