Issue with "chaining" SQL commands [closed] - sql

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I am working with a postgreSQL database in VSCode via the SQL Tools extension. I have the following query, but it does not execute. I suspect the reason is because I am not "chaining" the queries properly.
-- #block create employee table
-- #conn myfirstconnection
CREATE TABLE test_table(
id BIGSERIAL PRIMARY KEY,
first_name VARCHAR(50),
last_name VARCHAR(50)
)
INSERT INTO test_table(
first_name,
last_name
)
VALUES ('Samantha', 'Gray');
I receive the following error: syntax error at or near "INSERT" at character 146. If I were to separate the commands and then run each separately, this error does not arise.
Ideally, I could execute the one query instead of having to first execute a CREATE TABLE and then executing an INSERT. Is there a proper terminology for doing this kind of chaining of queries?

Answer 1

missing semicolon";" after create statement :
-- #block create employee table
-- #conn myfirstconnection
CREATE TABLE test_table(
id BIGSERIAL PRIMARY KEY,
first_name VARCHAR(50),
last_name VARCHAR(50)
); --<-- here
INSERT INTO test_table(
first_name,
last_name
)
VALUES ('Samantha', 'Gray');

Answer 2

You just missed the semicolon(;) after create table statement.
-- #block create employee table
-- #conn myfirstconnection
CREATE TABLE test_table(
id BIGSERIAL PRIMARY KEY,
first_name VARCHAR(50),
last_name VARCHAR(50)
);
INSERT INTO test_table(
first_name,
last_name
)
VALUES ('Samantha', 'Gray');
Db-Fiddle:
CREATE TABLE test_table(
id BIGSERIAL PRIMARY KEY,
first_name VARCHAR(50),
last_name VARCHAR(50)
);
INSERT INTO test_table(
first_name,
last_name
)
VALUES ('Samantha', 'Gray');
Select query:
select * from test_table;
Output:
id
first_name
last_name
1
Samantha
Gray
db<fiddle here

Answer 3

You can run multiple queries at once but each query still need to be defined properly and especially ending with a ;.
How to run multiple queries at once depends a lot on the way you run them but from VSCode I suppose you have to select both queries and click on some button (as opposed to not selecting the query or only selecting one).