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CASE statement in SQL - SQL Shack
Use various expressions to determine which records the SQL statement returns. For example, the following SQL statement selects all employees whose salaries are more than $21,000: SELECT LastName, Salary. FROM Employees. WHERE Salary > 21000; A WHERE clause can contain up to 40 expressions linked by logical operators, such as And and Or.
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[DOC File]Data Definition Statements in MS Access
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You must always type column and table names in lowercase letters for the SQL statement to execute correctly. Note: The SQL language's keywords are not case-sensitive. For clarity and readability you follow a naming convention. The convention used in this book is listed in Appendix B, "SQL Formatting Guidelines." Chapter 3. 1 .
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[DOC File]SELECT Statement
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The beauty here is that because you are using CASE processing within a SELECT statement the code acts to evalueate every single row of data in the table. Amazing! Unlike other programming languiages where you specify the value being test only once - COUNT ( DISTINCT ( [Order ID] )) – In SQL you have to specify it over and over.
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[DOCX File]Washington State University
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The classic CASE statement runs on each row of data rather than need a loop. Let’s think about that for a while. SQL is set based where an UPDATE works on a set of rows. Older procedural programming would have required a loop where each row was examined within a loop.
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[DOC File]SQL - University of Oklahoma
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Statement: List the first and last name and the address, city, and state of all the customers who live in Ada. Because of the way our Customer table has been designed, this is a relatively simple query and there would be no use for the LIKE clause. You would simply use the following SQL statement: SELECT c_first, c_last, c_street, c_city, c_state
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[DOC File]ORACLE SQL BY EXAMPLE BY ALICE RISCHERT - Home
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Semicolon is the standard way to separate each SQL statement in database systems that allow more than one SQL statement to be executed in the same call to the server. We are using MS Access and SQL Server 2000 and we do not have to put a semicolon after each SQL statement, but some database programs force you to use it.
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[DOC File]SQL Tutorial
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In this case, your code specifies the name and value for each field of the record. You must specify each of the fields of the record that a value is to be assigned to and a value for that field. ... DROP Statement (Microsoft Jet SQL) SELECT Statement (Microsoft Jet SQL) FROM Clause (Microsoft Jet SQL) UPDATE Statement (Microsoft Jet SQL) IN ...
sql case statement in select clause

[DOC File]SQL - University of Oklahoma
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The SQL SELECT statement queries data from tables in the database. The statement begins with the SELECT keyword. The basic SELECT statement has 3 clauses: SELECT . FROM . WHERE . The SELECT clause specifies the table columns that are retrieved. The FROM clause specifies the tables accessed. The WHERE clause specifies which table rows are used.
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[DOCX File]Washington State University
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Statement: List the number and description of all parts that are in warehouse 2 and have over 50 units on hand. Compound conditions are possible within the WHERE clause using AND, OR, and NOT. In this case, you have: SELECT PART_NUMB, PART_DESC. FROM PART. WHERE WHSE_NUMB = 2. AND ON_HAND > 50. The query will retrieve: PART_NUMB PART_DESC. CZ81 ...
sql case when multiple values

Case when in select statement sql