SQL Server Blog
The PostgreSQL function age returns the number of years, months, and days between two dates. Syntax of the function age in PostgreSQL age( [date1,] date2 ) Parameters and function...
PostgreSQL Alias can be used to create a temporary name for tables or columns. Column aliases are used to make it easier to read column headers in a set of results.Table aliases are used to...
Can you place comments in your SQL statements in PostgreSQL? These comments can appear in one line or cover several lines. Let's see how to do that.There are two syntaxes that you can use to...
In this tutorial, you will learn how to declare variables in PostgreSQL using syntax and examples. What is a variable in PostgreSQL? In PostgreSQL, a variable allows a programmer to temporarily...
Below is a list of data types available in PostgreSQL, which includes string, numeric, and date/time type. String data types Below are String data types in PostgreSQL :Syntax of data...
MySQL DISTINCT statement is used to remove duplicates from the result set. The DISTINCT operator may be used only with SELECT operators. Syntax DISTINCT operator in MySQL SELECT DISTINCT FROM...
MySQL FROM statement is used to display tables and any associations required for querying in MySQL. Syntax of FROM statement in MySQL FROM table1 [ { INNER JOIN | LEFT [OUTER] JOIN | RIGHT...
MySQL statement SELECT LIMIT is used to extract records from one or more tables into MySQL and limit the number of records to be returned based on the limit value. Syntax of SELECT LIMIT in...
MySQL statement SELECT is used to extract records from one or more tables to MySQL. Simple syntax for SELECT statement in MySQL SELECT expressions FROM tables [WHERE conditions]; The full...
In MySQL, you can use the SHOW GRANTS statement to display all grant information for the user. This will display the privileges that have been assigned to the user with the GRANT command. Syntax...
The RENAME USER statement is used to rename a user in a MySQL database. Syntax of RENAME USER statement in MySQL RENAME USER user_name TO new_name; Parameters and arguments of the...
The SET PASSWORD statement is used to change a user password in a MySQL database. Syntax to change the password with the SET PASSWORD statement in MySQL SET PASSWORD [ FOR user_name ] = SET...
These database management software solutions enable your business to get the most from its database and associated data warehouse tools.Today’s best database management software is the very...
MySQL Server supports the validate-config option, which allows checking the startup configuration for problems without starting the server in normal operation mode:If no errors are found,...
MySQL indexes: Starting with MySQL 5.7, you can create indexes for expressions, or functional indexes using the generated columns. Basically you need to first use the generated column to define a...
The DROP USER statement is used to delete a user from a MySQL database. Syntax of DROP USER statement in MySQL DROP USER user_name; Options and arguments of the statementuser_name - the...