sql if then else syntax

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case in syntax SQL then else end usage-resolves a field to take a different value based on the condition

Case has two formats. Simple case function and case search function.--Simple case function when ' 1 ' then ' Male ' when ' 2 ' then ' women ' else ' other ' end--case search function case when sex = ' 1 ' Then ' man ' when

PL/SQL script language value assignment statement syntax table and record comply with the type usage, select the statement if else usage anonymous Block

PL/SQL script language value assignment statement syntax table and record comply with the type usage, select the statement if else usage anonymous block (1), assign value statement syntax PL/SQL values use: = "=" some rules need to be observed in

SQL case then else usage

CASE has two formats:The simple CASE function compares an expression with a group of simple expressions to determine the result.The CASE search function calculates a group of Boolean expressions to determine the result.Both formats support the

SQL statement-case when then else end, SQL-case

SQL statement-case when then else end, SQL-case Output the following results based on the preceding table information: The following are the database and table structure data: create table DeptSales(deptID int,SubjMonth int ,sales int ,deptname

Case when then else SQL statement

One of the SQL statement judgment methodsCase has two formats. Simple case functions and case search functions.-- Simple case FunctionCase sexWhen '1' then 'male'When '2' then 'female'Else 'others' end-- Case search functionCase when sex = '1' then '

Simple use of the when and then ... else end in MySQL

The data SQL CASE expression is a generic conditional expression that resembles a if/else statement in another language.Case if condition then resultWhen condition then result.............[When ...][ELSE result]ENDThe case clause can be used where

MySQL basic SQL syntax/Statement

MySQL is the most basic SQL syntax. For more information, see. The most basic SQL syntax/Statement of MySQL. For more information, see. DDL-Data Definition Language (Create, Alter, Drop, DECLARE) DML-data manipulation language (Select, Delete,

MySQL's most basic SQL syntax/statement

MySQL's most basic SQL syntax/statementMySQL's most basic SQL syntax/statement, using MySQL friends can refer to below. ddl-Data Definition language (create,alter,drop,declare)dml-Data Manipulation Language (Select,delete,update,insert)dcl-Data

The most basic SQL syntax/statement

ddl-Data Definition language (create,alter,drop,declare)dml-Data Manipulation Language (Select,delete,update,insert)dcl-Data Control Language (Grant,revoke,commit,rollback)First, a brief introduction to the underlying statement:1. Description:

MySQL most basic SQL syntax/statement (forward)

ddl-Data Definition language (create,alter,drop,declare)dml-Data Manipulation Language (Select,delete,update,insert)dcl-Data Control Language (Grant,revoke,commit,rollback)First, a brief introduction to the underlying statement:1. Description:

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