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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.
- Db2 SQL
Examples can help you understand how to retrieve data by...
- Application programming and SQL
Retrieving data by using the SELECT statement. The simplest...
- Db2 SQL
26 lis 2015 · For Db2 for Linux, Unix and Windows (i.e. Db2 LUW) or for Db2 Warehouse use the SYSCAT.TABLES catalog view. E.g. SELECT TABSCHEMA, TABNAME FROM SYSCAT.TABLES WHERE TABSCHEMA LIKE '%CUR%' AND TYPE = 'T'
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.
Retrieving data by using the SELECT statement. The simplest way to retrieve data is to use the SQL statement SELECT to specify a result table. You can specify the columns and rows that you want to retrieve.
The SELECT statement queries data from one or more tables in a database. It is one of the most complex SQL statements in Db2. 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;
SELECT * FROM SYSTABLES; SYSTABLES is the DB2 standard catalog view. Where you find it depends on which flavor of DB2 server you are using: DB2 for i, LUW, or z/OS. You shouldn't need GO or other such fiddle-faddle. Right click on a statement in the SQL file editor, and you'll see options like alt-S to execute current text.
Table: Either a permanent or temporary Db2 table. View: A standard Db2 view. Alias: A Db2 alias that points to a table, view, or another alias. Full Select: An embedded SELECT statement that returns a set of rows. Table function: A kind of function that returns a table.
