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Showing posts with the label Sql Example

Cast Datetime To Date Sql Code Example

Example 1: sql datetime as date SELECT CONVERT ( DATE , GETDATE ( ) ) date ; Example 2: sql server convert string to date Cast ( '2011-07-07' as date ) as convertedDate Example 3: sql cast date DECLARE @counter INT = 0 DECLARE @date DATETIME = '2006-12-30 00:38:54.840' CREATE TABLE #dateFormats (dateFormatOption int, dateOutput nvarchar(40)) WHILE ( @counter <= 150 ) BEGIN BEGIN TRY INSERT INTO #dateFormats SELECT CONVERT ( nvarchar , @counter ) , CONVERT ( nvarchar , @date , @counter ) SET @counter = @counter + 1 END TRY BEGIN CATCH ; SET @counter = @counter + 1 IF @counter >= 150 BEGIN BREAK END END CATCH END SELECT * FROM #dateFormats

C# Entity Framework Sqlquery Example

Example 1: entity framework with query c# using ( var ctx = new SchoolDBEntities ( ) ) { var studentName = ctx . Students . SqlQuery ( "Select studentid, studentname, standardId from Student where studentname='Bill'" ) . FirstOrDefault < Student > ( ) ; } //Reference Link //https://www.entityframeworktutorial.net/Querying-with-EDM.aspx Example 2: entity framework with query C# using ( var ctx = new SchoolDBEntities ( ) ) { var studentName = ctx . Students . SqlQuery ( "Select studentid, studentname, standardId from Student where studentname='Bill'" ) . FirstOrDefault < Student > ( ) ; } //https://www.entityframeworktutorial.net/Querying-with-EDM.aspx //https://www.entityframeworktutorial.net/EntityFramework4.3/raw-sql-query-in-entity-framework.aspx

Asc Sql Query Code Example

Example 1: sql asc Used with ORDER BY to return the data in ascending order . Example: Apples , Bananas , Peaches , Raddish Example 2: MySQL ORDER BY SELECT select_list FROM table_name ORDER BY column1 [ ASC | DESC ] , column2 [ ASC | DESC ] , . . . ;

A Sql Query Automatically Eliminates Duplicates Code Example

Example 1: sql delete duplicate -- Oracle DELETE films WHERE rowid NOT IN ( SELECT min ( rowid ) FROM films GROUP BY title , uk_release_date ) ; Example 2: how to query without duplicate rows in sql SELECT DISTINCT col1 , col2 . . . FROM table_name where Condition ; Example 3: how to remove duplicate in sql Distinct : helps to remove all the duplicate records when retrieving the records from a table . SELECT DISTINCT FIRST_NAME FROM VISITORS ; Example 4: sql delete duplicate rows but keep one # Step 1: Copy distinct values to temporary table CREATE TEMPORARY TABLE tmp_user ( SELECT id , name FROM user GROUP BY name ) ; # Step 2: Remove all rows from original table DELETE FROM user ; # Step 3: Remove all rows from original table INSERT INTO user ( SELECT * FROM tmp_user ) ; # Step 4: Remove temporary table DROP TABLE tmp_user ; Example 5: sql query to delete duplicate records --ID should be pri...

Add Id Autoincrement Column To Existing Table Mysql Code Example

Example 1: add auto_increment column to existing table mysql ALTER TABLE ` users ` ADD ` id ` INT NOT NULL AUTO_INCREMENT PRIMARY KEY ALTER TABLE ` users ` ADD ` id ` INT NOT NULL AUTO_INCREMENT UNIQUE FIRST Example 2: mysql add auto increment id existing table ALTER TABLE ` users ` ADD ` id ` INT NOT NULL AUTO_INCREMENT PRIMARY KEY

Alter Sequence Restart With Postgres Code Example

Example: postgresql alter table sequence alter sequence your_sequence restart with 1000 ;

1046, 'No Database Selected' Code Example

Example: mariadb error 1046 (3d000) no database selected USE database_name ;

Alterning Cumn In Sql Code Example

Example 1: sql add column ALTER TABLE Customers ADD Email varchar ( 255 ) ; Example 2: alter table add column ALTER TABLE table_name ADD column_name datatype ;

Adddate Sql Code Example

Example: sql server current date minus 5 years SELECT GETDATE ( ) 'Today' , DATEADD ( day , - 2 , GETDATE ( ) ) 'Today - 2 Days' SELECT GETDATE ( ) 'Today' , DATEADD ( dd , - 2 , GETDATE ( ) ) 'Today - 2 Days' SELECT GETDATE ( ) 'Today' , DATEADD ( d , - 2 , GETDATE ( ) ) 'Today - 2 Days'

Android Studio Sql Query Code Example

Example: sql for android ms sql for android

Coderbyte Sql Solutions Code Example

Example: coderbyte sql solutions In this MySQL challenge , your query should return all the people who report to either Jenny Richards or have a NULL value in ReportsTo . The rows should be ordered by Age . Your query should also add a column at the end with a title of Boss Title where the value is either None or CEO . Your output should look like the following table .

Alter Table Mysql Add Column After Code Example

Example 1: mysql alter table add column ALTER TABLE vendors ADD COLUMN phone VARCHAR ( 15 ) AFTER name ; Example 2: add column in mysq ALTER TABLE Table_name ADD Email varchar ( 255 ) ; Example 3: insert column after column mysql ALTER TABLE tbl_name ADD COLUMN new_column_name VARCHAR ( 15 ) AFTER existing_column_name ; Example 4: add column in mysq ALTER TABLE Table_name ADD name_column INT ( 255 ) ; Example 5: mysql alter table add column ALTER TABLE table ADD [ COLUMN ] column_name column_definition [ FIRST | AFTER existing_column ] ; Example 6: mysql alter table add column ALTER TABLE table ADD [ COLUMN ] column_name column_definition [ FIRST | AFTER existing_column ] ;

Clear Terminal Command Code Example

Example 1: clear terminal windows cls = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = will clear the windows terminal Example 2: windows clear terminal Type in "cls" and press enter Example 3: clear terminal clear # only clear visible screen clear && clear # clear buffer as well tput clear # same as clear but by sending escape seq reset # clear + reset internal terminal state + 1sec delay tput reset # same as reset but without 1sec delay stty sane # don't clear screen but reset some terminal options echo - e "\033c" # same as tput reset but hardcoded escape seq printf "\033c" # same as tput reset but hardcoded escape seq setterm - reset # same as tput reset, setterm has friendlier commands Example 4: clear terminal on windows ; ------------------------------------------------------------------------- ; Cntr - L should clear scre...

Alter Table Add Column Query Code Example

Example 1: sql add column ALTER TABLE Customers ADD Email varchar ( 255 ) ; Example 2: alter table add column ALTER TABLE table_name ADD column_name datatype ;

Add Auto Increment Column To Existing Table Sql Server Code Example

Example: sql query to make a existing column auto increment Alter table table_name modify column_name datatype ( length ) AUTO_INCREMENT PRIMARY KEY

Charindex In Sql Server Code Example

Example 1: locate sql server SELECT CHARINDEX ( 'b' , 'ab' ) //returns 2 Example 2: charindex DECLARE @document VARCHAR ( 64 ) ; SELECT @document = 'Reflectors are vital safety' + ' components of your bicycle.' ; SELECT CHARINDEX ( 'bicycle' , @document ) ; GO

Codeigniter 4 Query Builder Entity Code Example

Example 1: query builder codeigniter $this - > db - > set ( 'name' , $name ) ; $this - > db - > set ( 'title' , $title ) ; $this - > db - > set ( 'status' , $ status ) ; $this - > db - > insert ( 'mytable' ) ; Example 2: codeigniter 4 query builder select $builder - > select ( 'title, content, date' ) ; $query = $builder - > get ( ) ; // Executes: SELECT title, content, date FROM mytable

Auto Increment In Sql Code Example

Example 1: how to auto increment in sql CREATE TABLE Persons ( Personid int NOT NULL AUTO_INCREMENT , LastName varchar ( 255 ) NOT NULL , FirstName varchar ( 255 ) , Age int , PRIMARY KEY ( Personid ) ) ; INSERT INTO Persons ( FirstName , LastName ) VALUES ( 'Lars' , 'Monsen' ) ; Example 2: create table with primary key auto increment in sql CREATE TABLE table_name ( id INT NOT NULL IDENTITY ( 1 , 1 ) , name NVARCHAR ( 100 ) NULL , school NVARCHAR ( 100 ) NULL , PRIMARY KEY ( ID ) ) ; Example 3: id increment ms sql server CREATE TABLE Persons ( Personid int IDENTITY ( 1 , 1 ) PRIMARY KEY , LastName varchar ( 255 ) NOT NULL , FirstName varchar ( 255 ) , Age int ) ; Example 4: how to alter auto increment in sql INSERT INTO Persons ( Personid , FirstName , LastName ) VALUES ( seq_person . nextval , 'Lars' , 'Monsen' ) ; Example 5: what is auto ...

Alter Table Modify Column Oracle Code Example

Example 1: alter table column size oracle ALTER TABLE tablename MODIFY fieldname VARCHAR2 ( 100 ) ; Example 2: alter table oracle ALTER TABLE tablename MODIFY columnname varchar2 ( 100 ) Example 3: orcale sql change column type ALTER TABLE table_name MODIFY column_name action ; Example 4: oracle alter table add column ALTER TABLE table_name ADD column_name data_type constraint ;

Alter Table & Drop Primary Key Constraint Oracle Code Example

Example: drop primary key oracle -- Dropping Using alter ALTER TABLE table_name DROP CONSTRAINT constraint_name ;