When you want to do some operations on the data in the database, then you must have to write the query in the predefined syntax of SQL. The syntax of the structured query language is a unique set of rules and guidelines, which is not case-sensitive. Its... ... Data types are used to represent the nature of the data that can be stored in the database table. For example, in a particular column of a table, if we want to store a string type of data then we will have to declare a string...

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In T-SQL, a Numeric function is applied to numeric data and returns digital data. The types of Numeric function are given below: ABS () The absolute value is returned as the output of the numeric expression. Example The query returns the absolute value.

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The SQL UPDATE statement is used to modify the data that is already in the database. The condition in the WHERE clause decides that which row is to be updated. Syntax UPDATE table_name SET column1 = value1, column2 = value2, ...

The OCT is a SQL string function which converts the given decimal number to its octal equivalent. Syntax of OCT Function SELECT OCT(Decimal_Number) AS Alias_Name; In the OCT syntax, we have to pass that decimal number whose octal equivalent we want to find.

It explains the step-by-step procedure to use the SQL Server Setup Installation Wizard to install a new instance of SQL...

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The SQL COUNT() is a function that returns the number of records of the table in the output. This function is used with the SQL SELECT statement. Let's take a simple example: If you have a record of the voters in the selected area and want to count...

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PL/SQL tutorial for beginners and professionals with examples on cursors, triggers, functions, procedures, strings, exceptions, arrays, collections, packages, transactions etc.

Learn PL/SQL tutorial for beginners and professionals with examples on cursors, triggers, functions, procedures, strings, exceptions, arrays, collections, packages, transactions etc.

This tutorial will give you enough understanding on the various concepts of SQL along with suitable examples so that you can start your Software Development journey immediately after finishing this tutorial.

The ATAN is a SQL function of mathematics which returns the arc tangent value of the specified number. Syntax of ATAN Function SELECT ATAN(Number) AS Alias_Name; In the ATAN syntax, we have to pass that decimal number whose arc tangent value we want to find.

Learn SQL Tutorial - javatpoint - Free download as PDF File (.pdf), Text File (.txt) or read online for free. The document provides an overview of SQL (Structured Query Language). It discusses that SQL is used to perform operations on records stored in databases, such as updating, inserting, ...

Db2 which is also called IBM Db2 is an RDBMS that complies with SQL and has been developed by IBM. It is used where data have to be stored,... ... MongoDB Interview Questions 1) What do you understand by NoSQL databases? Is MongoDB a NoSQL database? explain. At the present time, the internet is loaded with big data, big users, big complexity etc. and also becoming more complex day by day. NoSQL is answer of all these problems, It is... ... We are excited to announce that we are moving from JavaTpoint.com to TpointTech.com on 10th Feb 2025.

Some key points covered include what SQL is, why it is required, the different operations it allows users to perform on databases and tables like creating, dropping, selecting, modifying data.

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