Dec 4, 2012 · When you run SELECT * INTO #MyTable FROM MyTable, SQL Server creates a new temporary table called #MyTable that matches each column and data type from your select clause. In this case we are selecting * so it will match MyTable.

Dec 9, 2013 · My question is particularly about the approach we use to create a clone or more specifically copy of the table with LIKE operator or with the help of SELECT clause also copy all the constraints from the old table? CREATE TABLE newTable LIKE oldTable; OR. CREATE TABLE newTable AS (SELECT * FROM oldTable) WITH NO DATA;

Apr 14, 2012 · Use LIKE to create an empty table based on the definition of another table, including any column attributes and indexes defined in the original table. So you do: CREATE TABLE New_Users LIKE Old_Users;

Use CREATE TABLE ... LIKE to create an empty table based on the definition of another table, including any column attributes and indexes defined in the original table: CREATE TABLE new_tbl LIKE orig_tbl; The copy is created using the same version of …

Dec 17, 2020 · Prerequisite – SQL Constraints. We can create a table with more than one constraint in its columns. Following example shows how we can define different constraints on a table. Adding constraints in Create command : Sr_no is a Primary Key. Branch_no is the foreign key referencing Branch table.

Jan 19, 2022 · With the creates table like statement you can copy your table to another with all of the same metadata of the table. This can be useful, for example, if you want to make backup copies or...

You can use default value on the field definition. Create tblTest( columns.. .. .. Gender int CONSTRAINT constraint_name DEFAULT 3, .. .. .. ) Or use ALTER TABLE: ALTER TABLE tblTest ADD CONSTRAINT constraint_name DEFAULT 3 FOR Gender

Use CREATE TABLE ... LIKE to create an empty table based on the definition of another table, including any column attributes and indexes defined in the original table: CREATE TABLE new_tbl LIKE orig_tbl; The copy is created using the same version of …

Nov 29, 2024 · In MySQL, we use the COMMENT keyword within the CREATE TABLE statement to add a description to each column. To start, let’s view the general syntax: CREATE TABLE <table_name> ( column_name column_type COMMENT 'Comment Here' );

Nov 3, 2016 · How can this be accomplished using T-SQL? The solution consists of two objects. These should be built in the appropriate user database. The function is just a simple process to break our multi-value string into a table where each value is returned as a row. DECLARE @Idx INT. DECLARE @FoundIdx INT . SET @Idx = 1.