WebFeb 16, 2024 · 10. When the correct SQL command is used to delete a table's structure, what happens to the data in the table? A). Nothing because there was no data in the table - only an empty table can be deleted. B). lf deleted table was a parent table, data is added to the appropriate rows of the child table. C). The data in the table is also deleted. D). WebSep 25, 2013 · SELECT column1 , RIGHT(column2,CHARINDEX('-',REVERSE(column2))-1) as extracted , column3 FROM myTable You can add a CASE statement or use NULLIF() in case the hyphen isn't always present: SELECT column1 , CASE WHEN column2 LIKE '%-%' THEN RIGHT(column2,CHARINDEX('-',REVERSE(column2))-1) END as extracted , …
sql server - How to determine if an Index is required …
WebDec 28, 2010 · 2 Answers. Two different queries will be used for this. The table to show the table structure is: DESC or DESCRIBE : Used to describe the table structure present in the tablespace. USE : SELECT * FROM to view all the data inside the table. e.g. SELECT * FROM Employee. SQL> -- create demo table SQL> create table Employee ( 2 ID … WebThe following shows the basic syntax of the SELECT statement that selects data from a single table. First, specify a list of comma-separated columns from the table in the SELECT clause. Then, specify the table name in the FROM clause. When evaluating the SELECT statement, the database system evaluates the FROM clause first and then the SELECT ... shareef o\\u0027neal age
SQL Server: How to Use SQL SELECT and WHERE to Retrieve Data
WebNot Correct. Click here to try again. Correct! Next Show Answer Hide Answer. Submit Answer Show Answer Hide Answer. Go to w3schools.com. Reset Score. Close This Menu . SQL Select . Exercise 1 Exercise 2 Exercise 3 Go to SQL Select Tutorial. SQL Where . Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 Go to SQL Where Tutorial. … Webvery simple. make a note of the sqlsrvr.exe PID from taskmanager then run this command: netstat -ano findstr *PID*. it will show TCP and UDP connections of your SQL server (including ports) standard is 1433 for … WebThe following SQL statement finds the sum of the "Quantity" fields in the "OrderDetails" table: Example. SELECT SUM(Quantity) FROM OrderDetails; Try it Yourself » Note: NULL values are ignored. Test Yourself With Exercises. Exercise: Use the correct function to return the number of records that have the Price value set to 18. poop flush toilet