I’m starting to learn PLSQL and created a very very simple table, I’m trying to get familiar with functions and triggers. My table: Now to the question, I want to limit before insert or update new row (biuefer) so that the first name must be 8 characters, not less, not more. If you try to insert a row with a
Tag: create-table
Trying to run script through Oracle 11g
I am trying to run SQL statements in the Oracle 11g Express edition, where I am to create tables. Here is my SQL code: It only ends up processing 4 statements and I keep getting these error messages: I am wholly unfamiliar with Oracle 11g. I am unsure if I am using the correct application in it for my assignment.
Why MariaDB refuses to create a simple table with error [42000][1064]?
I just want to know how to fix this, or why MariaDB server keeps me returning an error. I just install the database, create a user, a new schema, I’m pointing to that database with use database testing; and I’m ready to create a simple table on a database with this query: The user in the database I’m using has
How to view the Create Table SQL command after a table has been created in mySQL phpMyAdmin
When you create a mySQL table using the GUI in phpAdmin there is an option to preview the SQL create table command. Once you have created a table, made adjustments and finalised the structure, is it possible to review the SQL create command for the current version of the table? Answer SHOW CREATE TABLE Shows the CREATE TABLE statement that
add not null column take values from other column
I have an existing table say, Items with Id | CreateDate (as DateTime) columns; want to add Year int not null, take the default year from the CreateDate column. The Year value will be futer updated …
SQL – Generate column from sum of columns from different table
I have two tables: The first one contains numeral values, it looks like this: The id column is the primary key; it has the attribute AUTO_INCREMENT. All columns have the datatype INT. Now my …
postgresql ERROR: syntax error at or near “PRIMARY”
I’m new to PostgreSQL. I’ve been trying to create tables in a database but some queries give weird errors. the first snippet throws a syntax error but when I add “serial” on the problematic column the error is resolved. Should all primary keys auto-increment in PostgreSQL? This works added serial constraint on songplay_id Answer Should all primary keys auto-increment in
What’s wrong with this SQL CREATE + INSERT batch?
What is wrong with this SQL statement? Create table JaretsSchedule ( ScheduleID Int Primary Key NOT NULL, FieldID Int NOT NULL, HomeTeamID Int NOT NULL, AwayTeamID Int NOT NULL, …
ORACLE CREATE TABLE with FOREIGN KEY error
I am a beginner to Oracle and have been having problems creating a table with a foreign key, I have created the parent table region as well and have been receiving the same error. I have researched on W3school and used the same syntax but still no help. Answer Leave “FOREIGN KEY” out, if you want to declare a foreign
Change empty string to NULL when column has DATE constraint
This might be impossible but I was wondering if someone more experienced knew if this is possible to do in postgresql. I have a column in my create statement CREATE table IF NOT EXISTS (other cols, …