How do I search for a specific column in a table in SQL?
1 Answer
- SELECT COL_NAME AS ‘Column_Name’, TAB_NAME AS ‘Table_Name’
- FROM INFORMATION_SCHEMA.COLUMNS.
- WHERE COL_NAME LIKE ‘%MyName%’
- ORDER BY Table_Name, Column_Name;
How do I search for a specific value in a SQL database?
Click on the Text search command:
- In the Search text field, enter the data value that needs to be searched.
- From the Database drop-down menu, select the database to search in.
- In the Select objects to search tree, select the tables and views to search in, or leave them all checked.
How do I write a lookup query in SQL?
Creating a Lookup to a Non-Primary-Key Field
- First create a simple query to wrap your list: SELECT * FROM list.MyList.
- You could also add additional filtering, joins, or group by clauses as needed.
- Save your query, and when you create lookups from other tables, your wrapped list will appear as a valid target.
Can you VLOOKUP in SQL?
As Excel users, we know all about handling data in different tables or sheets, and we have the VLOOKUP (and HLOOKUP) functions to help us lookup matching data. To get the same behavior of VLOOKUP in SQL, we need to get data from multiple SQL tables, and we do this using the JOIN statement.
How do you check if a string contains a substring SQL?
We can use the CHARINDEX() function to check whether a String contains a Substring in it. Name of this function is little confusing as name sounds something to do with character, but it basically returns the starting position of matched Substring in the main String.
How do I select multiple values from a table in SQL?
Example syntax to select from multiple tables:
- SELECT p. p_id, p. cus_id, p. p_name, c1. name1, c2. name2.
- FROM product AS p.
- LEFT JOIN customer1 AS c1.
- ON p. cus_id=c1. cus_id.
- LEFT JOIN customer2 AS c2.
- ON p. cus_id = c2. cus_id.
How do I filter a column in SQL?
FILTER is a modifier used on an aggregate function to limit the values used in an aggregation. All the columns in the select statement that aren’t aggregated should be specified in a GROUP BY clause in the query….FILTER.
sales_agent | total | over 1000 |
---|---|---|
Violet Mclelland | 122 | 33 |
How do I do a partial search in SQL?
The SQL ANSI standard uses two wildcards, percent (%) and underscore (_), which are used in different ways. When using wildcards, you perform a SQL partial match instead of a SQL exact match as you don’t include an exact string in your query….SQL Partial Match: the Underscore Wildcard.
id | name |
---|---|
8 | lion |
What is the SQL equivalent of VLOOKUP?
LEFT OUTER JOIN type
In terms of a direct comparison to the VLOOKUP function in Excel, the LEFT OUTER JOIN type is the equivalent in SQL.
What is key lookup SQL?
A key lookup occurs when SQL uses a nonclustered index to satisfy all or some of a query’s predicates, but it doesn’t contain all the information needed to cover the query. This can happen in two ways: either the columns in your select list aren’t part of the index definition, or an additional predicate isn’t.