What is an example of a SQL statement?

An SQL SELECT statement retrieves records from a database table according to clauses (for example, FROM and WHERE ) that specify criteria. The syntax is: SELECT column1, column2 FROM table1, table2 WHERE column2=’value’; The WHERE clause selects only the rows in which the specified column contains the specified value.

How do I write a SQL query?

How to Create a SQL Statement

1. Start your query with the select statement. select [all | distinct]
2. Add field names you want to display. field1 [,field2, 3, 4, etc.]
3. Add your statement clause(s) or selection criteria. Required:
4. Review your select statement. Here’s a sample statement:

What are the statements in SQL?

Types of SQL Statements

• Data Definition Language (DDL) Statements.
• Data Manipulation Language (DML) Statements.
• Transaction Control Statements.
• Session Control Statements.
• System Control Statement.
• Embedded SQL Statements.

What is the most commonly used SQL statement?

SELECT – The SELECT statement is the most commonly used statement to query a database for information contents.

How do you create a simple query?

To create a simple one-table query:

1. Select the Create tab on the Ribbon, and locate the Queries group.
2. Click the Query Design command.
3. Access will switch to Query Design view.
4. Click Add, then click Close.
5. The selected table will appear as a small window in the Object Relationship pane.

What is type of SQL?

SQL statements are categorized into four different types of statements, which are. DML (DATA MANIPULATION LANGUAGE) DDL (DATA DEFINITION LANGUAGE) DCL (DATA CONTROL LANGUAGE) TCL (TRANSACTION CONTROL LANGUAGE)

What are the basic SQL statements?

The basic structure in SQL is the statement. Semicolons separate multiple SQL statements. There are 3 basic categories of SQL Statements: SQL-Data Statements — query and modify tables and columns SELECT Statement — query tables and views in the database. INSERT Statement — add rows to tables.

What are the SQL query commands?

SQL commands are lines of SQL code that ask the SQL application to perform simple tasks against with data inside of a database. Often we refer to commands as query statements or scripts; all of these terms are synonymous.

Can you use if statements in a SQL query?

The IF statement is used to execute a block of code if a condition is satisfied . If a condition is not satisfied (FALSE) then optionally ELSE statement can be used. In the case of SQL Server, the IF statement is used to execute SQL statements if a condition is TRUE.

What is a simple SQL query?

A Simple Query. An SQL query consists of three pieces, or blocks: the select block, the from block and the where block. The select block tells the database which columns of data you want it to return.