(SQL Example for Citizen Data Scientist & Business Analyst) SQL | Arithmetic Operators Arithmetic Operators are: + [Addition] – [Subtraction] / [Division] * [Multiplication] % [Modulus] Addition (+) : It is used to perform addition operation on the data items, items include either single column or multiple columns. Implementation: SELECT employee_id, employee_name, salary, salary + 100 AS …
(SQL Example for Citizen Data Scientist & Business Analyst) SQL | EXISTS The EXISTS condition in SQL is used to check whether the result of a correlated nested query is empty (contains no tuples) or not. The result of EXISTS is a boolean value True or False. It can be used in a SELECT, …
(SQL Example for Citizen Data Scientist & Business Analyst) SQL | ALL and ANY ALL & ANY are logical operators in SQL. They return boolean value as a result. ALL ALL operator is used to select all tuples of SELECT STATEMENT. It is also used to compare a value to every value in another value set …
(SQL Example for Citizen Data Scientist & Business Analyst) SQL | WITH clause The SQL WITH clause was introduced by Oracle in the Oracle 9i release 2 database. The SQL WITH clause allows you to give a sub-query block a name (a process also called sub-query refactoring), which can be referenced in several places within …
SQL for Citizen Data Scientist in 2 Weeks – SQL SELECT Statement.
SQL tutorials for Business Analyst – SQL | Date Functions The following table has a list of all the important Date and Time related functions available through SQL. There are various other functions supported by your RDBMS. The given list is based on MySQL RDBMS. Sr.No. Function & Description 1 ADDDATE()Adds dates 2 …
SQL tutorialsfor Business Analyst SQL| Wildcard Operators We have already discussed about the SQL LIKE operator, which is used to compare a value to similar values using the wildcard operators. SQL supports two wildcard operators in conjunction with the LIKE operator which are explained in detail in the following table. Sr.No. Wildcard & Description …
(SQL tutorials for Business Analyst & Beginners) In this end-to-end example, you will learn – SQL Tutorials for Business Analyst: SQL | Having Clause. SQL tutorials for Business Analyst – SQL | Having Clause The HAVING Clause enables you to specify conditions that filter which group results appear in the results. The WHERE clause places …
(SQL tutorials for Business Analyst & Beginners) In this end-to-end example, you will learn – SQL Tutorials for Business Analyst: SQL | Using Views. A view is nothing more than a SQL statement that is stored in the database with an associated name. A view is actually a composition of a table in the …
(SQL tutorials for Business Analyst & Beginners) In this end-to-end example, you will learn – SQL Tutorials for Business Analyst: SQL | TRUNCATE TABLE. The SQL TRUNCATE TABLE command is used to delete complete data from an existing table. You can also use DROP TABLE command to delete complete table but it would remove complete table …