How do I make a list of values in SQL?

How do I declare a list of values in SQL?

DECLARE @list NVARCHAR(MAX) SET @list = ‘1,2,5,7,10’; DECLARE @pos INT DECLARE @nextpos INT DECLARE @valuelen INT DECLARE @tbl TABLE (number int NOT NULL) SELECT @pos = 0, @nextpos = 1; WHILE @nextpos > 0 BEGIN SELECT @nextpos = charindex(‘,’, @list, @pos + 1) SELECT @valuelen = CASE WHEN @nextpos > 0 THEN @nextpos …

How do I list data in SQL?

The SQL SELECT Statement

1. SELECT column1, column2, … FROM table_name;
2. SELECT * FROM table_name;
3. Example. SELECT CustomerName, City FROM Customers;
4. Example. SELECT * FROM Customers;

How do I store a list of values in a SQL variable?

You are right, there is no datatype in SQL-Server which can hold a list of integers. But what you can do is store a list of integers as a string. DECLARE @listOfIDs varchar(8000); SET @listOfIDs = ‘1,2,3,4’; You can then split the string into separate integer values and put them into a table.

How do I store a list of values in one column in SQL Server?

In the design all users data will be stored in a series of columns in a single table but one of the columns requires to store a list of values, for example: ‘column1’ will store the username , ‘column2’ will store the userID and ‘column3’ will store a list of items that will change over time.

Can you have arrays in SQL?

Conclusion. As you can see, SQL Server does not include arrays. But we can use table variables, temporary tables or the STRING_SPLIT function. However, the STRING_SPLIT function is new and can be used only on SQL Server 2016 or later versions.

How do you declare a variable in a list?

Below are the following ways to initialize a list:

1. Using List.add() method. Since list is an interface, one can’t directly instantiate it. …
2. Using Arrays. asList() …
3. Using Collections class methods. There are various methods in Collections class that can be used to instantiate a list. …
4. Using Java 8 Stream. …
5. Using Java 9 List.

How do I get a list of all tables in SQL?

Then issue one of the following SQL statement:

1. Show all tables owned by the current user: SELECT table_name FROM user_tables;
2. Show all tables in the current database: SELECT table_name FROM dba_tables;
3. Show all tables that are accessible by the current user:

How do I get a list of tables in SQL Server?

2 Answers

1. SELECT.
2. s.name AS SchemaName.
3. ,t.name AS TableName.
4. ,c.name AS ColumnName.
5. FROM sys.schemas AS s.
6. JOIN sys.tables AS t ON t.schema_id = s.schema_id.
7. JOIN sys.columns AS c ON c.object_id = t.object_id.
8. ORDER BY.

How do you display in SQL?

The DISPLAY command must be placed immediately after the query statement on which you want it to take effect. For example: SELECT pno, pname FROM part WHERE color=’BLUE’; DISPLAY; When the system encounters this DISPLAY command, it displays the Result window containing the part number and name for all blue parts.

Can a SQL variable have multiple values?

Assigning multiple values to multiple variables

If you have to populate multiple variables, instead of using separate SET statements each time consider using SELECT for populating all variables in a single statement. This can be used for populating variables directly or by selecting values from database.

Can we create a list in SQL?

You can create lists of SQL Query or Fixed Data values . In the Data Model components pane, click List of Values and then click Create new List of Values. Enter a Name for the list and select a Type.

How do I have multiple rows in one row in SQL?

STUFF Function in SQL Server

1. Create a database.
2. Create 2 tables as in the following.
3. Execute this SQL Query to get the student courseIds separated by a comma. USE StudentCourseDB. SELECT StudentID, CourseIDs=STUFF. ( ( SELECT DISTINCT ‘, ‘ + CAST(CourseID AS VARCHAR(MAX)) FROM StudentCourses t2.

How do I store a list of IDs in SQL?

2 Answers

1. Store the IDs as CSV string ( 3,4,17 ) and use some sort of string split later.
2. Store the IDs as XML in an XML typed column (support goes down to SQL Server 2005) like <IDs><ID>3</ID><ID>4</ID><ID>17</ID></IDs>
3. Store the JSON you have just as the string it is into a NVARCHAR(MAX) column.

How can I store multiple values in a database table?

How to store multiple values in single field in SQL database?

1. Add the table description and sample records to descript what you have and what you want.. …
2. You can also define a text field and you will insert an array witch contains all your phones numbers.

How do I store multiple values in a variable in SQL Server?

Use CTE for storing multiple values into a single variable.