MySQL Delete Statement helps us to remove unwanted rows or data from a table. You can use this delete command to remove both the temporary and permanent tables. The MySQL Delete command removes a single row or multiple rows or all the records in a table. It is one of the most powerful commands to … Read more
MySQL Drop Table Statement literally drops the existing table from a database. The drop table removes or deletes all the records in a given one along with the structure or definition, and the syntax behind this is DROP TABLE TableName; Or DROP TABLE Schema_name.TableName; For this MySQL Drop Table demonstration, we are using the below. … Read more
MySQL Truncate Table statement removes all the records or complete data without affecting the table structure or indexes. When you want to remove all the existing records, then the MySQL Truncate Table statement is the best option for you, and its basic syntax of it is TRUNCATE TABLE `Schema_Name`.`Table_Name` We are going to use the … Read more
The MySQL IS Operator is useful for testing the given expression or value against a Boolean value True, False, and Unknown. MySQL IS Operator Example In this is operator example, we are checking the numeric and Null values using this operator. SELECT 1 IS TRUE;SELECT 0 IS TRUE, 0 IS FALSE;SELECT 1 IS TRUE, 0 … Read more
The MySQL NULLIF operator is a control flow function that accepts two arguments. If argument 1 is equal to argument 2, then NULL is returned. Otherwise, argument 1 returned. The syntax behind this NULLIF is as follows: SELECT NULLIF(exp1, exp2) This NULLIF function returns NULL if exp1 = exp2. Otherwise, it returns the expression 1 … Read more
The MySQL NOT LIKE Operator performs precisely the opposite of the Like that we discussed earlier. The Not Like operator returns the records whose values are not matching with a given pattern. For this MySQL NOT LIKE operator and Wildcards demo, we used the below-shown data. MySQL NOT LIKE Operator Example In this example, we are … Read more
The MySQL LIKE Operator is used to perform a wild search on tables. The Like operator uses Wildcards to extract the records matching the specified pattern. For instance, If you forgot the Product spelling or description, then use the MySQL LIKE operator Wildcard to find the matching records. The following are the supporting Wildcards. Wildcards … Read more
The MySQL IFNULL is used to replace the NULLs with custom values or custom text. This operator is very useful for replacing annoying NULLS with custom information. The basic syntax behind this MySQL IFNULL is as follows: SELECT IFNULL(expression1, expression2) This MySQL IFNULL operator accepts two arguments. If the first value (expression 1) is not, … Read more
The MySQL Interval Operator uses the binary search method to search the items and returns the values from 0 to N. In this article, we show how to use the Interval Operator with multiple examples, and the syntax is: SELECT INTERVAL(N, N1, N2, N3,….Nn) If N < N1, then 0 is returned. N < N2 … Read more
The MySQL NOT IN Operator is used to check an expression against the Values. The SELECT Statement selects the records that do not match the values in the NOT IN expression. The MySQL NOT IN operator is quite the opposite of IN. You can call this as NOT (Expression IN (Values), and the syntax of this … Read more
