b2b_sales_id character varying(255) COLLATE pg_catalog."default" NOT NULL,
    created_time timestamp without time zone,
    created_by character varying(255) COLLATE pg_catalog."default",
    deleted boolean,
    remarks character varying(2000) COLLATE pg_catalog."default",
    updated_time timestamp without time zone,
    updated_by character varying(255) COLLATE pg_catalog."default",
    amount double precision,
    cgst_value double precision,
    customer_id character varying(255) COLLATE pg_catalog."default",
    delivered_by character varying(255) COLLATE pg_catalog."default",
    gccess_value double precision,
    igst_value double precision,
    invoice character varying(255) COLLATE pg_catalog."default",
    invoice_date timestamp without time zone,
    is_delivered boolean,
    net_gst_value double precision,
    order_status character varying(255) COLLATE pg_catalog."default" NOT NULL,
    order_type character varying(255) COLLATE pg_catalog."default",
    roff double precision,
    sgst_value double precision,
    shift_id character varying(255) COLLATE pg_catalog."default",
    CONSTRAINT b2b_sales_pkey PRIMARY KEY (b2b_sales_id),
    CONSTRAINT fkmxsa9mxmmn00tq6jpffsi4tej FOREIGN KEY (customer_id)
        REFERENCES public.customer (customer_id) MATCH SIMPLE
        ON UPDATE NO ACTION
        ON DELETE NO ACTION
)

TABLESPACE pg_default;

ALTER TABLE IF EXISTS public.b2b_sales
    OWNER to postgres;
-- Index: b2b_sales_invoice_idx

-- DROP INDEX IF EXISTS public.b2b_sales_invoice_idx;

CREATE UNIQUE INDEX IF NOT EXISTS b2b_sales_invoice_idx
    ON public.b2b_sales USING btree
    (invoice COLLATE pg_catalog."default" ASC NULLS LAST)
    TABLESPACE pg_default
    WHERE COALESCE(invoice, ''::character varying)::text <> ''::text AND check_if_date_in_fin_year(created_time::date) = true;

PostgreSQL online editor

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About PostgreSQL

PostgreSQL is a open source relational database system and is also knows as Postgres.

Key Features:

  • Postgres is not only free and open-source but also it is highly extensible.
  • Custom Data types and funtions from various programming languaues can be introduced and the good part is compiling entire database is not required.
  • ACID(Atomicity, Consistency, Isolation, Durability) compliant.
  • First DBMS which implemented Multi-version concurrency control (MVCC) feature.
  • It's the default database server for MacOS.
  • It supports all major operating systems like Linux, Windows, OpenBSD,FreeBSD etc.

Syntax help

1. CREATE

CREATE command is used to create a table, schema or an index.

Syntax:

         CREATE TABLE table_name (
                column1 datatype,
                column2 datatype,
                ....);

2. ALTER

ALTER command is used to add, modify or delete columns or constraints from the database table.

Syntax

ALTER TABLE Table_name ADD column_name datatype;

3. TRUNCATE:

TRUNCATE command is used to delete the data present in the table but this will not delete the table.

Syntax

TRUNCATE table table_name;

4. DROP

DROP command is used to delete the table along with its data.

Syntax

DROP TABLE table_name;

5. RENAME

RENAME command is used to rename the table name.

Syntax

ALTER TABLE table_name1 RENAME to new_table_name1;

6. INSERT

INSERT Statement is used to insert new records into the database table.

Syntax

INSERT INTO table_name (column1, column2, column3, ...) VALUES (value1, value2, value3, ...);

7. SELECT

Select statement is used to select data from database tables.

Syntax:

SELECT column1, column2, ...
FROM table_name;

8. UPDATE

UPDATE statement is used to modify the existing values of records present in the database table.

Syntax

UPDATE table_name
SET column1 = value1, column2 = value2, ...
WHERE condition;

9. DELETE

DELETE statement is used to delete the existing records present in the database table.

Syntax

DELETE FROM table_name where condition;