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Examples can help you understand how to retrieve data by issuing SELECT statements. The select-statement is the form of a query that can be directly specified in a DECLARE CURSOR statement or FOR statement, prepared and then referenced in a DECLARE CURSOR statement, or directly specified in an SQLJ assignment clause.
- select-statement - IBM
The select-statement is the form of a query that can be...
- Examples of select-statement queries - IBM
The following examples illustrate the select-statement...
- select-statement - IBM
The select-statement is the form of a query that can be specified in a DECLARE CURSOR statement, either directly, or prepared and then referenced. It can also be issued through the use of dynamic SQL statements, causing a result table to be displayed on the user's screen.
The following examples illustrate the select-statement query. Example 1: Select all columns and rows from the EMPLOYEE table. SELECT * FROM EMPLOYEE. Example 2: Select the project name (PROJNAME), start date (PRSTDATE), and end date (PRENDATE) from the PROJECT table.
In this tutorial, we will focus on using the SELECT statement to query data from a single table. Here is the simplest form of the SELECT statement: SELECT select_list FROM table_name; Code language: SQL (Structured Query Language) (sql) In this syntax: First, specify a list of comma-separated columns or expressions in the SELECT clause. Then ...
To select both individual columns, and all of the columns (using the "" notation), in a single SELECT statement, one can still use the "", but it must fully-qualified using either the object name, or a correlation name:
SELECT statement is used to retrieve data from a database. To use SELECT, at a minimum, specify two pieces of information, that what you want to select and from where you want to select it. Syntax: SELECT column1, column2, ... FROM table_name; Here, column1, column2, ... are the field names of the table you want to select data from.
SELECT statement can be used in two ways inside the program. SELECT in cursor: Already discussed in previous chapters. Direct SELECT query: SELECT is used to fetch the single row by using the runtime data in the program. If no aggregate functions are used, SELECT retrieves the data from the single row at a time.
